Nursing dissertations represent the pinnacle of academic achievement for nursing students, encapsulating years of study, research, and clinical experience into a comprehensive document. These dissertations not only contribute to the academic and professional development of the student but also advance the field of nursing by addressing pressing healthcare issues, exploring new methodologies, and proposing innovative solutions. Whether it’s examining the impact of nurse-patient ratios on patient outcomes, exploring the effectiveness of new care models, or analyzing the challenges in nursing leadership, nursing dissertations cover a wide array of topics that reflect the complexities of the profession.
Here is a Nursing Dissertation Example:
The Impact of Nurse Staffing Levels on Patient Outcomes in Acute Care Settings
Name
Date
Contents
Chapter 2: Literature Review.. 5
2.1 Nurse Staffing and Patient Outcomes. 5
2.2 Factors Influencing Nurse Staffing Levels. 5
2.3 Impact of Nurse Workload on Care Quality. 6
2.4 Nurse Staffing Policies in Acute Care. 6
Chapter 3: Research Methodology. 7
3.4 Data Collection and Analysis. 9
Chapter 4: Research Findings and Discussion. 10
4.1 Analysis of Nurse Staffing Levels. 10
4.2 Relationship Between Staffing and Patient Outcomes. 10
4.3 Policy Implications of Nurse Staffing. 10
Chapter 4: Research Findings and Discussion. 11
4.1 Analysis of Nurse Staffing Levels. 11
4.2 Relationship Between Staffing and Patient Outcomes. 12
4.3 Policy Implications of Nurse Staffing. 13
Chapter 5: Conclusions and Recommendations. 14
Chapter 1: Introduction
1.1 Introduction
Nurse staffing levels have long been a subject of concern in the healthcare industry, particularly in relation to patient outcomes in acute care settings. Research has consistently shown that adequate nurse staffing is critical to ensuring patient safety and positive health outcomes (Aiken et al., 2002; Kane et al., 2007; Needleman et al., 2011). Historically, the nursing profession has faced challenges in maintaining optimal staffing levels, often due to budget constraints and a shortage of qualified personnel (Buchan & Aiken, 2008; Clarke & Donaldson, 2008). Over the past few decades, numerous studies have examined the relationship between nurse staffing levels and patient outcomes, providing a robust body of evidence supporting the importance of appropriate nurse-to-patient ratios (Griffiths et al., 2016; Twigg et al., 2013).
Despite the extensive research, the issue of nurse staffing remains contentious. Current healthcare systems, particularly in high-stress environments like acute care, continue to grapple with understaffing, which can lead to adverse patient outcomes such as increased mortality rates, longer hospital stays, and higher readmission rates (Kalisch et al., 2011; Shekelle, 2013). The ongoing debate around nurse staffing levels is compounded by varying hospital policies, differences in patient acuity, and the increasing complexity of patient care (Rothberg et al., 2005; Talsma et al., 2014). The present research aims to explore these issues in greater depth, focusing on the impact of nurse staffing levels on patient outcomes in acute care settings.
1.2 Purposes and Questions
The primary purpose of this research is to investigate the relationship between nurse staffing levels and patient outcomes in acute care settings. Specifically, this study aims to:
- Assess the current nurse staffing levels in various acute care settings.
- Analyze the correlation between nurse staffing and patient outcomes, including mortality rates, patient satisfaction, and readmission rates.
- Explore the potential policy implications of the findings for healthcare institutions.
Research Questions:
- What are the current nurse staffing levels in acute care settings?
- How do variations in nurse staffing levels affect patient outcomes?
- What are the potential policy changes that could improve nurse staffing and patient outcomes?
1.3 Definition of Terms
- Nurse Staffing Levels: The ratio of registered nurses (RNs) to patients in a healthcare setting.
- Acute Care Settings: Healthcare environments where patients receive active but short-term treatment for severe injuries or episodes of illness, urgent medical conditions, or during recovery from surgery.
- Patient Outcomes: Measures of the quality of care received by patients, including mortality rates, infection rates, patient satisfaction, and readmission rates.
1.4 Research Limitations
This study is subject to several limitations:
- Geographical Scope: The research is limited to acute care settings within a specific region, which may not be representative of other regions or countries.
- Data Availability: The availability of reliable and comprehensive data on nurse staffing levels and patient outcomes may limit the scope of analysis.
- Causality: While the study aims to identify correlations between nurse staffing levels and patient outcomes, establishing causality may be challenging due to the presence of confounding variables.
Chapter 2: Literature Review
2.1 Nurse Staffing and Patient Outcomes
Nurse staffing levels have been directly linked to patient outcomes in numerous studies. Higher staffing levels have been associated with lower rates of adverse outcomes, such as hospital-acquired infections, falls, and medication errors (Aiken et al., 2002; Kane et al., 2007). In a landmark study, Needleman et al. (2011) found that hospitals with higher nurse staffing had significantly lower mortality rates. This relationship is particularly pronounced in high-intensity settings such as intensive care units (ICUs), where the complexity of care demands more hands-on attention from nursing staff (Griffiths et al., 2018). Furthermore, the presence of sufficient staffing has been shown to improve patient satisfaction, as patients receive more timely and personalized care (Kutney-Lee et al., 2009).
2.2 Factors Influencing Nurse Staffing Levels
Several factors influence nurse staffing levels in healthcare settings. Financial constraints are a significant determinant, as hospitals must balance budgetary limitations with the need to maintain adequate staffing (Buerhaus et al., 2009). Workforce availability is another critical factor; shortages of qualified nurses can lead to understaffing, particularly in rural or underserved areas (Clarke & Donaldson, 2008). Additionally, regulatory requirements and staffing mandates set by governmental bodies or accreditation organizations also play a role in determining staffing levels (Spetz et al., 2008). Organizational culture and leadership are further influences, as institutions with supportive management are more likely to prioritize adequate staffing (Laschinger et al., 2001).
2.3 Impact of Nurse Workload on Care Quality
The workload of nurses is closely tied to the quality of care provided to patients. High workloads often result in burnout, decreased job satisfaction, and increased turnover rates among nurses, all of which negatively affect patient care (Aiken et al., 2012). Burnout, in particular, has been linked to higher incidences of errors, reduced empathy, and lower patient satisfaction (Vahey et al., 2004). Studies have also shown that excessive workloads can lead to nurses missing critical care tasks, which can jeopardize patient safety (Ball et al., 2014). Conversely, manageable workloads allow nurses to engage more fully with their patients, leading to better monitoring, timely interventions, and overall improved outcomes (Cho et al., 2015).
2.4 Nurse Staffing Policies in Acute Care
Nurse staffing policies vary widely across different healthcare systems and regions. Some countries, such as Australia and California in the United States, have implemented mandatory nurse-to-patient ratios to ensure minimum staffing levels (Twigg et al., 2013; Spetz, 2008). These policies are intended to standardize care and reduce variability in patient outcomes. However, there is ongoing debate about the effectiveness of such mandates, with critics arguing that they can be inflexible and may not account for the specific needs of different patient populations or care settings (Rothberg et al., 2005). In contrast, other regions rely on guidelines and recommendations, allowing hospitals more discretion in how they allocate staffing resources (Shekelle, 2013).
Chapter 3: Research Methodology
3.1 Research Framework
This study is guided by a conceptual framework that integrates Donabedian’s model of healthcare quality with workload-intensity theories. Donabedian’s model, which categorizes healthcare quality into three components—structure, process, and outcomes—provides a comprehensive approach to understanding how nurse staffing levels (structure) influence the care provided (process) and the resulting patient outcomes (Donabedian, 1988). The framework posits that adequate nurse staffing levels lead to improved care processes, such as timely interventions and better monitoring, which in turn lead to better patient outcomes, such as lower mortality rates and higher patient satisfaction (Needleman et al., 2011).
Additionally, the workload-intensity framework suggests that the intensity and complexity of nursing tasks directly affect care quality and outcomes, particularly in high-acuity settings like intensive care units (Griffiths et al., 2018). This research framework helps in examining the interplay between staffing levels, workload, and patient outcomes, providing a structured approach to understanding the impacts of staffing on care quality.
3.2 Research Participants
This study involves participants from acute care hospitals across [specified region/country]. The focus is on medical and surgical units, where the demands on nursing staff are typically high due to the complexity and acuity of patient conditions.
- Scope and Setting: The research targets hospitals with varying sizes, types, and patient demographics to ensure a comprehensive analysis. The settings include both urban and rural hospitals, providing a diverse sample that reflects different challenges and staffing conditions.
- Sampling Method: A stratified random sampling method is used to select hospitals and specific units within these hospitals. Stratification ensures that the sample is representative of different types of hospitals (e.g., public vs. private, large vs. small) and different unit specializations (e.g., medical vs. surgical). This method helps in capturing a wide range of staffing practices and their impact on patient outcomes.
- Sampling Rationale: Stratified sampling is chosen to minimize selection bias and to increase the generalizability of the findings. By ensuring that various hospital types and unit specializations are included, the study can draw more reliable conclusions about the relationship between nurse staffing levels and patient outcomes across different contexts.
3.3 Research Instruments
The study employs a mixed-methods approach, utilizing both quantitative and qualitative tools to gather comprehensive data on nurse staffing levels and patient outcomes.
- Questionnaire Development: The primary instrument is a structured questionnaire designed to assess nurse staffing levels, workload, job satisfaction, and perceived patient outcomes. The questionnaire is based on established tools like the Nursing Work Index (NWI) and the Hospital Consumer Assessment of Healthcare Providers and Systems (HCAHPS) survey. The NWI measures nurses’ perceptions of their work environment, while the HCAHPS captures patient-reported outcomes such as satisfaction with care. The questionnaire includes both closed-ended and open-ended questions to gather quantitative data and qualitative insights.
- Reliability Analysis: The reliability of the questionnaire is assessed through a pilot study involving a small sample of nurses from participating hospitals. Cronbach’s alpha is used to determine the internal consistency of the questionnaire items, with a target reliability coefficient of 0.7 or higher. High reliability indicates that the questionnaire items are consistently measuring the constructs of interest, such as staffing adequacy and workload.
- Validity Analysis: To ensure the validity of the questionnaire, both content and construct validity are assessed. Content validity is evaluated by a panel of experts in nursing, healthcare management, and survey design, who review the questionnaire items to ensure they comprehensively cover the relevant concepts. Construct validity is tested through factor analysis, which examines the underlying structure of the questionnaire and confirms that it accurately measures the intended constructs.
3.4 Data Collection and Analysis
Data collection involves a combination of survey administration, direct observation, and review of hospital records to gather both quantitative and qualitative data on nurse staffing levels and patient outcomes.
- Data Processing: Collected data is processed using statistical software such as SPSS or R. Initial steps include data cleaning to address any missing values or outliers. Descriptive statistics, including means, standard deviations, and frequencies, are calculated to summarize the characteristics of the sample and the key variables. This initial analysis provides an overview of the staffing levels, workload, and patient outcomes in the participating hospitals (300 words).
- Analysis Methods: The study employs multiple regression analysis to explore the relationship between nurse staffing levels and patient outcomes. This method allows for the control of potential confounding variables, such as patient acuity, hospital size, and other organizational factors. The analysis aims to quantify the impact of staffing levels on various patient outcomes, including mortality rates, readmission rates, and patient satisfaction. Additionally, thematic analysis is used to analyze qualitative data from open-ended survey responses and interview transcripts, providing deeper insights into the experiences and perceptions of nurses regarding staffing adequacy and workload.
Chapter 4: Research Findings and Discussion
4.1 Analysis of Nurse Staffing Levels
This section presents a detailed analysis of nurse staffing levels across the sampled hospitals. Staffing levels are assessed against benchmarks set by professional organizations such as the American Nurses Association (ANA) and local regulatory bodies. The analysis includes comparisons between different types of units (e.g., medical vs. surgical) and explores variations based on hospital size and location. Graphical representations such as bar charts and histograms are used to illustrate the distribution of staffing levels.
4.2 Relationship Between Staffing and Patient Outcomes
The study finds a significant correlation between nurse staffing levels and patient outcomes. Specifically, higher nurse-to-patient ratios are associated with lower mortality rates, reduced incidence of hospital-acquired infections, and higher patient satisfaction scores. These findings are consistent with previous research, reinforcing the importance of maintaining adequate staffing levels. The discussion also addresses potential confounders and explores how variations in staffing practices may influence outcomes in different hospital settings.
4.3 Policy Implications of Nurse Staffing
Based on the findings, this section discusses the implications for healthcare policy. The study suggests that implementing mandatory nurse-to-patient ratios could standardize care and improve patient outcomes across acute care settings. However, it also highlights the need for flexibility in staffing policies to account for differences in patient acuity and hospital resources. The potential economic impact of such policies is considered, along with recommendations for balancing cost with quality of care.
Chapter 4: Research Findings and Discussion
4.1 Analysis of Nurse Staffing Levels
This section presents a detailed analysis of the nurse staffing levels observed across the participating acute care hospitals. The analysis focuses on understanding how these staffing levels compare to recommended standards and the variations in staffing across different units and hospital types.
Descriptive Analysis: The average nurse-to-patient ratios in the sampled hospitals were found to vary significantly depending on the unit type. Medical units generally had a higher nurse-to-patient ratio compared to surgical units, with some hospitals exceeding the recommended levels set by professional organizations like the American Nurses Association (ANA). However, a considerable number of hospitals, particularly smaller and rural ones, reported staffing levels below these recommendations, potentially compromising patient care.
Variation Across Hospital Types: The analysis revealed that larger, urban hospitals generally maintained higher nurse staffing levels compared to smaller, rural hospitals. This discrepancy is likely due to differences in funding, resource availability, and the ability to attract and retain nursing staff. Hospitals with more complex care requirements, such as those with specialized units for intensive care, tended to prioritize higher staffing levels, reflecting the need for more intensive patient monitoring and care.
Comparison to Benchmarks: When compared to benchmarks, the nurse staffing levels in the majority of participating hospitals fell within acceptable ranges. However, specific units, particularly those in high-demand settings like emergency departments and ICUs, occasionally operated with staffing levels below the recommended benchmarks. This under-staffing was most prominent during peak hours and in units dealing with high patient turnover.
Insert Graphs and Charts Here to Illustrate Nurse Staffing Levels Across Units and Hospitals
4.2 Relationship Between Staffing and Patient Outcomes
The analysis of patient outcomes revealed a strong correlation between nurse staffing levels and key patient outcomes, including mortality rates, incidence of hospital-acquired infections, and patient satisfaction scores.
Mortality Rates: Hospitals with higher nurse-to-patient ratios demonstrated significantly lower mortality rates. This finding is consistent with previous research, which suggests that adequate nurse staffing allows for more timely interventions and continuous patient monitoring, reducing the likelihood of adverse events that could lead to death (Aiken et al., 2002; Needleman et al., 2011).
Hospital-Acquired Infections: The incidence of hospital-acquired infections, such as catheter-associated urinary tract infections (CAUTIs) and central line-associated bloodstream infections (CLABSIs), was lower in hospitals with higher staffing levels. These outcomes can be attributed to better infection control practices, more frequent patient assessments, and timely interventions when early signs of infection are detected (Griffiths et al., 2018).
Patient Satisfaction: Higher nurse staffing levels were also associated with increased patient satisfaction. Patients in well-staffed units reported feeling more cared for, experienced shorter wait times, and received more attention from nurses. These factors contributed to higher overall satisfaction scores, as measured by the Hospital Consumer Assessment of Healthcare Providers and Systems (HCAHPS) survey (Kutney-Lee et al., 2009).
Regression Analysis: Multiple regression analysis confirmed the positive impact of nurse staffing on patient outcomes, even after controlling for potential confounders such as hospital size, patient acuity, and unit type. The analysis showed that each additional nurse per patient was associated with a significant reduction in mortality rates and hospital-acquired infections, as well as a notable increase in patient satisfaction scores.
Insert Regression Tables and Figures Here
4.3 Policy Implications of Nurse Staffing
The findings of this study have several important implications for healthcare policy, particularly regarding the regulation and management of nurse staffing levels in acute care settings.
Mandatory Nurse-to-Patient Ratios: The study supports the implementation of mandatory nurse-to-patient ratios as a policy measure to ensure consistent and adequate staffing across all acute care settings. The evidence suggests that such policies could lead to improved patient outcomes by reducing variability in care quality due to staffing differences (Twigg et al., 2013; Spetz et al., 2008).
Flexibility in Staffing Policies: While mandatory ratios are beneficial, the study also highlights the need for flexibility in staffing policies. Hospitals differ in their patient populations, resources, and care requirements, meaning that a one-size-fits-all approach may not be practical. Policies should allow for adjustments based on real-time patient needs, acuity levels, and other situational factors. For example, during periods of high patient influx or in specialized care units, temporary staffing increases may be necessary to maintain care quality (Rothberg et al., 2005).
Economic Considerations: The implementation of stricter staffing regulations will have financial implications for hospitals, especially those already operating under tight budget constraints. However, the long-term benefits of improved patient outcomes, including reduced mortality rates and shorter hospital stays, could offset these costs. Additionally, better staffing could reduce the financial burden associated with hospital-acquired infections and other preventable complications, leading to overall cost savings for the healthcare system (Needleman et al., 2011).
Recommendations for Healthcare Administrators: Hospital administrators should regularly review and adjust nurse staffing levels based on patient acuity and unit-specific needs. Investing in workforce planning and development is crucial to ensure that staffing meets both current and future demands. Moreover, fostering a supportive work environment and providing opportunities for professional growth can help retain nursing staff and reduce turnover, which is critical for maintaining adequate staffing levels.
Recommendations for Further Research: The study recommends further research into the long-term effects of different staffing models on patient outcomes across various healthcare settings. Additionally, there is a need for research into the cost-effectiveness of nurse staffing policies, particularly in relation to their impact on healthcare quality and patient safety. Exploring the role of emerging technologies, such as electronic health records (EHRs) and telemedicine, in optimizing nurse workload and improving care quality is another avenue for future investigation.
Chapter 5: Conclusions and Recommendations
5.1 Conclusions
- Nurse Staffing and Patient Outcomes: This study confirms a significant correlation between nurse staffing levels and patient outcomes in acute care settings. Higher nurse-to-patient ratios are associated with better patient outcomes, including lower mortality rates, fewer hospital-acquired infections, and higher patient satisfaction scores. These findings underscore the critical role that adequate nurse staffing plays in ensuring patient safety and quality of care. The evidence aligns with previous research, reinforcing the importance of staffing policies that prioritize sufficient nurse availability (Aiken et al., 2002; Needleman et al., 2011).
- Workload and Care Quality: The research highlights the impact of nurse workload on care quality. Excessive workloads contribute to nurse burnout, increased error rates, and reduced quality of patient care. In contrast, manageable workloads, facilitated by adequate staffing, lead to better care processes, including more timely interventions and continuous monitoring. These findings suggest that addressing nurse workload through appropriate staffing is essential for maintaining high standards of patient care and nurse well-being (Vahey et al., 2004; Ball et al., 2014).
- Policy Considerations: The study provides strong evidence supporting the implementation of mandatory nurse-to-patient ratios in acute care settings. Such policies can standardize care delivery, reduce variability in patient outcomes, and ensure that hospitals maintain adequate staffing levels to meet patient needs. However, the research also emphasizes the need for flexibility in these policies to accommodate the unique challenges of different hospital environments and patient populations. Balancing the need for standardized staffing with the ability to adjust to specific circumstances is crucial for optimizing patient care (Twigg et al., 2013; Spetz et al., 2008).
5.2 Recommendations
- Recommendations for Healthcare Institutions: Healthcare institutions should prioritize maintaining adequate nurse staffing levels as a key strategy for improving patient outcomes. Institutions should regularly assess staffing needs based on patient acuity and adjust staffing levels accordingly to ensure that nurses are not overburdened. Additionally, hospitals should invest in workforce development initiatives to support nurses’ professional growth and job satisfaction, which can help reduce turnover and maintain stable staffing levels. Institutions should also explore innovative staffing solutions, such as flexible scheduling and the use of technology, to optimize nurse workloads and improve patient care (Aiken et al., 2012; Needleman et al., 2011).
- Recommendations for Policymakers: Policymakers should consider enacting legislation that mandates minimum nurse-to-patient ratios in acute care settings, with provisions that allow for flexibility based on specific hospital needs and patient acuity levels. Such legislation should be supported by adequate funding to ensure that hospitals, especially those in underserved areas, can meet these staffing requirements without compromising care quality. Policymakers should also promote research into the long-term effects of staffing policies on healthcare outcomes and explore ways to integrate new technologies that can assist in managing nurse workloads and improving patient care (Spetz et al., 2008; Twigg et al., 2013).
- Recommendations for Future Research: Future research should focus on the long-term impact of nurse staffing policies on patient outcomes, including studies that evaluate the cost-effectiveness of different staffing models. Research should also explore the role of technology in enhancing nurse staffing and care quality, such as the use of electronic health records (EHRs), telemedicine, and other digital tools that can streamline nursing tasks and improve patient monitoring. Additionally, more studies are needed to examine the effects of nurse staffing on specific patient populations, such as those in critical care units or with chronic conditions, to develop targeted staffing strategies that can further improve patient outcomes (Griffiths et al., 2018; Ball et al., 2014).
References
- Aiken, L. H., Clarke, S. P., Sloane, D. M., Sochalski, J., & Silber, J. H. (2002). Hospital nurse staffing and patient mortality, nurse burnout, and job dissatisfaction. JAMA, 288(16), 1987-1993. https://doi.org/10.1001/jama.288.16.1987
- Aiken, L. H., Sloane, D. M., Bruyneel, L., Van den Heede, K., Griffiths, P., Busse, R., … & Sermeus, W. (2012). Nurse staffing and education and hospital mortality in nine European countries: a retrospective observational study. The Lancet, 383(9931), 1824-1830. https://doi.org/10.1016/S0140-6736(13)62631-8
- Ball, J. E., Murrells, T., Rafferty, A. M., Morrow, E., & Griffiths, P. (2014). ‘Care left undone’ during nursing shifts: associations with workload and perceived quality of care. BMJ Quality & Safety, 23(2), 116-125. https://doi.org/10.1136/bmjqs-2012-001767
- Buchan, J., & Aiken, L. (2008). Solving nursing shortages: a common priority. Journal of Clinical Nursing, 17(24), 3262-3268. https://doi.org/10.1111/j.1365-2702.2008.02636.x
- Buerhaus, P. I., Donelan, K., Ulrich, B. T., Norman, L., Williams, M., & Dittus, R. (2009). Impact of the nurse shortage on hospital patient care: comparative perspectives. Health Affairs, 26(3), 853-862. https://doi.org/10.1377/hlthaff.26.3.853
- Cho, E., Lee, N. J., Kim, E. Y., Lee, K., Eom, M. R., Kim, S., … & Lee, K. H. (2015). Nurse staffing levels and patient outcomes: A systematic review and meta-analysis. Nursing Outlook, 63(3), 280-292. https://doi.org/10.1016/j.outlook.2014.12.002
- Clarke, S. P., & Donaldson, N. E. (2008). Nurse staffing and patient care quality and safety. In R. G. Hughes (Ed.), Patient Safety and Quality: An Evidence-Based Handbook for Nurses (pp. 2-115). Agency for Healthcare Research and Quality (US). https://www.ncbi.nlm.nih.gov/books/NBK2676/
- Donabedian, A. (1988). The quality of care: How can it be assessed? JAMA, 260(12), 1743-1748. https://doi.org/10.1001/jama.1988.03410120089033
- Griffiths, P., Ball, J., Drennan, J., Dall’Ora, C., Jones, J., Maruotti, A., … & Simon, M. (2018). Nurse staffing levels, missed vital signs, and mortality in hospitals: retrospective longitudinal observational study. Health Services and Delivery Research, 6(38), 1-120. https://doi.org/10.3310/hsdr06380
- Griffiths, P., Ball, J., Murrells, T., Jones, S., & Rafferty, A. M. (2016). Registered nurse, healthcare support worker, medical staffing levels and mortality in English hospital trusts: a cross-sectional study. BMJ Open, 6(2), e008751. https://doi.org/10.1136/bmjopen-2015-008751
- Kalisch, B. J., Tschannen, D., & Lee, K. H. (2011). Missed nursing care, staffing, and patient falls. Journal of Nursing Care Quality, 26(4), 291-299. https://doi.org/10.1097/NCQ.0b013e318223be82
- Kane, R. L., Shamliyan, T. A., Mueller, C., Duval, S., & Wilt, T. J. (2007). The association of registered nurse staffing levels and patient outcomes: systematic review and meta-analysis. Medical Care, 45(12), 1195-1204. https://doi.org/10.1097/MLR.0b013e3181468ca3
- Kutney-Lee, A., McHugh, M. D., Sloane, D. M., Cimiotti, J. P., Flynn, L., Neff, D. F., & Aiken, L. H. (2009). Nursing: a key to patient satisfaction. Health Affairs, 28(4), w669-w677. https://doi.org/10.1377/hlthaff.28.4.w669
- Laschinger, H. K. S., Finegan, J., & Wilk, P. (2001). Impact of structural and psychological empowerment on job strain in nursing work settings: Expanding Kanter’s model. Journal of Nursing Administration, 31(5), 260-272. https://doi.org/10.1097/00005110-200105000-00006
- Needleman, J., Buerhaus, P., Pankratz, V. S., Leibson, C. L., Stevens, S. R., & Harris, M. (2011). Nurse staffing and inpatient hospital mortality. The New England Journal of Medicine, 364(11), 1037-1045. https://doi.org/10.1056/NEJMsa1001025
- Rothberg, M. B., Abraham, I., Lindenauer, P. K., & Rose, D. N. (2005). Improving nurse-to-patient staffing ratios as a cost-effective safety intervention. Medical Care, 43(8), 785-791. https://doi.org/10.1097/01.mlr.0000170408.16625.a9
- Shekelle, P. G. (2013). Nurse–patient ratios as a patient safety strategy: a systematic review. Annals of Internal Medicine, 158(5_Part_2), 404-409. https://doi.org/10.7326/0003-4819-158-5-201303051-00007
- Spetz, J., Harless, D. W., & Herrera, C. (2008). Using minimum nurse staffing regulations to measure the relationship between nursing and hospital quality of care. Medical Care Research and Review, 65(2), 166-187. https://doi.org/10.1177/1077558707312306
- Talsma, A., Jones, K., Liu, M., & Campbell, D. A. (2014). The relationship between nurse staffing and failure to rescue: where does it matter most? Journal of Patient Safety, 10(3), 133-139. https://doi.org/10.1097/PTS.0b013e3182a7e5d2
- Twigg, D. E., Geelhoed, E. A., Bremner, A. P., & Duffield, C. M. (2013). The economic benefits of increased levels of nursing care in the hospital setting. Journal of Advanced Nursing, 69(10), 2253-2261. https://doi.org/10.1111/jan.12109
- Vahey, D. C., Aiken, L. H., Sloane, D. M., Clarke, S. P., & Vargas, D. (2004). Nurse burnout and patient satisfaction. Medical Care, 42(2 Suppl), II57-II66. https://doi.org/10.1097/01.mlr.0000109126.50398.5a