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Research Article

Diversity issues in Nigeria’s healthcare sector: implications on organizational commitment. A cross-sectional study

[version 1; peer review: 2 approved with reservations]
PUBLISHED 12 Jun 2019
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This article is included in the Sociology of Health gateway.

Abstract

Background: Workplace diversity is increasingly gaining the attention of healthcare organizations, especially in developing countries like Nigeria. However, little is understood from existing literature about how workforce diversity affects employees’ satisfaction and organisational commitment in the workplace. Consequently, this paper showed the direct and mediating relationships between diversity of workforce, job satisfaction and employee commitment to the organization.
Methods: Copies of the structured questionnaire have been given to 133 public healthcare employees in Nigeria’s Ministry of Health in Lagos state.  Statistical analysis for the study included descriptive measures and multi-variate analysis, using structural equation modelling.
Results: Outcomes from statistical analysis supports direct and mediating relationships between the research variables. Gender and ethical diversity had significant influences on job satisfaction at r = 0.35 (p < 0.05) and r = 0.28 (p < 0.05) respectively. The following mediating relationships were also statistically confirmed: job satisfaction related with affective commitment (r = 0.41, p < 0.05) and normative commitment (r = 0.26, p < 0.05).
Conclusions: Based on the results of the statistical analysis, the study concludes that there is a relationship between diversity of employees and job satisfaction, diversity of employees and organizational commitment and the influence of work satisfaction on organizational commitment.

Keywords

Workforce diversity, Job satisfaction, Employee commitment, Public healthcare, Diversity management

Introduction

Workforce diversity has a significant impact on the work behaviour and attitudes that employees exhibit in the work environment1. Diversity of employees depicts a scenario in which different people bring their unique backgrounds, perspectives, values and benefits to the organization2.

Assessing diversity among employees is strategic to effectively managing the organization’s human resources and can improve the organizational commitment and satisfaction of employees3. Furthermore, diversity in the workforce improves better decision-making, greater creativity, innovation and greater competitiveness45. Workforce diversity has grown from focusing solely on human demographic characteristics; like race, gender and age, to a much broader meaning that encompasses the whole range of human, physical and cultural differences6, and this could influence their levels of job satisfaction.

In the work of Jex7, job satisfaction is described as the positive affection of an employee towards the job. According to Shuck et al.8, employee satisfaction itself has a direct and indirect influence on individual and organizational performance, including the commitment of employees to work. Job satisfaction, for example, is the best predictor of employee turnover. More so, having a committed workforce is important for achieving organisational performance. Therefore, it is important to produce a committed workforce that would show organisational commitment.

Today's workplace consists of different employees with unique and varied features9,10. Although, existing literature have discussed workforce components as a determinant of employee commitment11. However, the current literature does not sufficiently explained the employees feelings about diversity in their working environment, and whether diversity in the workforce results in dissatisfaction or lack of engagement, especially within the public health sector of developing economies like Nigeria. Despite that most researchers, such as Osibanjo et al.12 have been focusing on explaining concepts that enhance understanding of workforce diversity, little is understood about how workforce diversity affects employees’ satisfaction and organisational commitment in the workplace. Studies on the influence of diversity in the workforce on the satisfaction of employees and the organizational commitment in the public health sector in Nigeria are rare in existing literature13. This paper therefore aims to examine the influence of diversity in the workforce on organizational commitment and employee satisfaction among selected public health workers in Nigeria, based on the following four hypotheses.

H1: Employee diversity significantly influences employees’ affective commitment

H2: Employee diversity significantly influences employees’ continuance commitment

H3: Employee diversity significantly influences employees’ normative commitment

H4: Job satisfaction moderates the relationship between workforce diversity and organizational commitment (affective, continuance and normative)

Methods

A survey method was used for data collection.

Sample size and sampling procedure

This research involved 133 public health workers from the Lagos State Ministry of Health in Nigeria and was executed between the periods of February 2017 and April 2019. This sample size was determined from a population of 200 public health workers, based on Yamane14 sample size determination formula. Thus,

The formula

n=N/(1+N(e)2)

where

n= sample size

e= sampling error (0.05)

N= the population (that is 200 employees in the healthcare location)

n = 200 / (1+200(0.05)2)

n =200/ 1+ 200 (0.0025)

n =200/ 1+ 0.5

n =200/ 1.5

n = 133.33 (approximately 133)

n = 133

Public healthcare employees in Nigeria’s Ministry of Health, are important for this research because of the increased awareness of the diverse workforce of the Ministry. Hence, it is imperative that such diversity is properly managed in ways that avoid negative impact on employee satisfaction and commitment to the organization15,16. Furthermore, due to the important roles that the Health sector undertake for the population and the overall well- being of any country, this research is considered essential to maintain employee interest and motivation in the provision of quality services17. Simple random sampling technique was adopted. This technique allowed every member of the population to be a respondent by selecting the respondents without any form of partiality. Thus, given the total population if public health workers in the Lagos State Ministry of Health, the 133 respondents were selected at random without any form of bias and were administered the copies of the questionnaire during working hours. Employees who turned down the proposal to participate in the survey were respectfully eliminated from the research process, and a replacement was determined by the same random selection process. The following inclusion and exclusion criteria applied:

Inclusion criteria:

•   Participants had to be employees of the organisation

•   Participants must be literate, able to read and write English

•   Participants must be accessible

Exclusion criteria:

•   Members of casual staff

The copies of questionnaire were self-administered to respondents and retrieved within the space of eight weeks, based on the request of the respondents.

Measures and variables

Data was captured using a questionnaire developed for this study based on evidence from the literature (see extended data18). Workforce diversity (including gender, education, religion, ethnicity, experience, income and position) items were developed based on Glazer et al.19, work satisfaction (described as by the extent to which employees felt positive affection towards their job) items based on Jensen et al.20 were developed and workforce commitments (including affective, continuance and normative) items based on Changa et al.21 and22 Hanaysha et al.22 were developed.

Ethical consideration

The questionnaire was administered to respondents based on their willingness to participate in the research exercise. The participants in the study were also assured of confidentiality and anonymity, such as not reflecting their names in the questionnaire. The study received verbal approval for execution as a satisfactory requirement from the organization and the employees.

Validity and reliability of research instrument

In this research, internal consistency method, using Cronbach alpha measurement was adopted to ensure reliability of the research items. It is widely accepted that the score of 0.7 above indicates the reliability of the instrument. The SPSS (Social Science Statistical Package) was used to test the reliability of the research instrument. The reliability statistics that was obtained for the instruments used for this study was 0.747. Instrument validity was ascertained through content validity.

Statistical analysis

The statistical analysis for this study was performed using SPSS software (version 22) and AMOS (version 23). The analysis of data was carried out using descriptive statistics and structural equation modelling (SEM) to show the relationships between workforce diversity, job satisfaction and organizational commitment.

Results

In terms of demographics of the respondents, 64 (48.1%) were male while 69 (51.9%) were female. The age distribution among respondents was as follows: the majority of respondents (68) were between 18 and 34 years of age, 45 respondents between 35 and 44 years of age, 13 respondents were between 45 and 54, and 7 were 55 or above years (Table 1 and underlying data23).

Table 1. Socio-demographic distribution of respondents.

Demographic variableFrequencyPercentage
GenderMale6448.1
Female6951.9
Age18–346851.1
35–444533.8
45–54139.8
55 and above75.3
Years of Work experienceless than 5 years5440.6
5–10 years4936.8
11–15 years1612.0
16 years above1410.5

Figure 1 shows the model for analysis of multi-variate relationships between diversity of workforce, job satisfaction and employee commitment. The statistical measurement was considered fit based on the following estimates: Chi-square / degree of freedom (Cmin / df) = 1.603, goodness of fit index (GFI)= 0.950, normal fit index (NFI)= 0.892, comparative fit index (CFI)= 0.952, root mean square approximation error (RMSEA)= 0.068. These estimates are considered to be fit based on existing studies24,25.

da89cd1b-8fa7-4471-b3bf-4491fb562973_figure1.gif

Figure 1. Regression path of workforce diversity, job satisfaction & employee commitment.

Analyses revealed varying levels of direct and mediating relationships among the research variables. Specifically, gender and ethical diversity had significant influences on job satisfaction at r = 0.35 (p < 0.05) and r = 0.28 (p < 0.05) respectively. Direct relationships were also statistically established between workforce diversity and organizational commitment in the following ways: gender diversity and affective commitment (r = 0.26, p < 0.05), normative commitment (r = 0.05, p < 0.05); education diversity and normative commitment (r = 0.12); experience diversity and continuance commitment (r = 0.20, p < 0.05). A direct inverse relationship was established between religion diversity and continuance commitment (r = -0.14, p < 0.05). The following mediating relationships were also statistically confirmed: job satisfaction related with affective commitment (r = 0.41, p < 0.05) and normative commitment (r = 0.26, p < 0.05). The results of these data support existing research results21,26.

Discussion and Conclusion

Researchers like Ashikali et al.27, Ibidunni et al.26 and Hanaysha et al.28 demonstrated that diversity in the workforce promotes creativity, innovative problem solving and productivity. Also, Moon28 confirmed that large organizations use various teams intentionally to solve problems and employed people from a diversity races, ethnicities and experience to shape perspectives in the organization29,30.

Although arguments for diversity are naturally attractive and somewhat popular, there is little empirical evidence that diversity in the workforce can be used to increase employee engagement, especially in developing economies such as Nigeria. Whether employee diversity influences organizational engagement is an empirical issue that has not been properly tested in Nigeria in the public sector context. This study therefore contains evidence to fill this gap. The results of this study show that gender is the most sensitive factor in the diversity that influences Nigeria's commitment to public health workers. Gender diversity is associated with the affective and normative aspects of the commitment of employees31,32. These two dimensions of commitment reflect the degree to which employees are emotionally committed to their productivity at work26,33. The promotion of gender equality at work must therefore be seen as a strategic way to increase the commitment of public health workers in Nigeria.

Our results demonstrate that the diversity of the workforce has a significant impact on the satisfaction and commitment of Nigerian public health professionals. Based on the results of the statistical analysis, the study concludes that there is a relationship between diversity of employees and job satisfaction, diversity of employees and organizational commitment and the influence of work satisfaction on organizational commitment. Therefore, this study has important implications for directing policymakers to ensure that the demographic diversity among public health workers is treated as a strategic part of employee selection. This in turn significantly influences their levels of job satisfaction and commitment to the organization.

Data availability

Underlying data

Figshare: ADELEKAN SPSS.sav, https://doi.org/10.6084/m9.figshare.8144498.v123

This project contains the following underlying data:

  • ADELEKAN SPSS.sav (SPSS spreadsheet of primary data collected to establish the relationships between workforce diversity, job satisfaction and organisational commitment of public health workers in Lagos state, Nigeria)

Extended data

Figshare: Questionnaire. https://doi.org/10.6084/m9.figshare.8144564.v118

This project contains the following extended data:

  • RESEARCH QUESTIONNAIRE.pdf (Study questionnaire)

Data are available under the terms of the Creative Commons Zero "No rights reserved" data waiver (CC0 1.0 Public domain dedication).

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Ibidunni AS, Olawande T, Olokundun M et al. Diversity issues in Nigeria’s healthcare sector: implications on organizational commitment. A cross-sectional study [version 1; peer review: 2 approved with reservations]. F1000Research 2019, 8:852 (https://doi.org/10.12688/f1000research.19350.1)
NOTE: If applicable, it is important to ensure the information in square brackets after the title is included in all citations of this article.
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Open Peer Review

Current Reviewer Status: ?
Key to Reviewer Statuses VIEW
ApprovedThe paper is scientifically sound in its current form and only minor, if any, improvements are suggested
Approved with reservations A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit.
Not approvedFundamental flaws in the paper seriously undermine the findings and conclusions
Version 1
VERSION 1
PUBLISHED 12 Jun 2019
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8
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Reviewer Report 21 Jan 2021
Joonghak Lee, Department of International Business and Strategy, University of Reading, Reading, UK 
Approved with Reservations
VIEWS 8
Thanks for your interesting article.

I have a few comments on your literature review and method:

First, it would be much better cite recent diversity articles. Also, there should be more studies about the ... Continue reading
CITE
CITE
HOW TO CITE THIS REPORT
Lee J. Reviewer Report For: Diversity issues in Nigeria’s healthcare sector: implications on organizational commitment. A cross-sectional study [version 1; peer review: 2 approved with reservations]. F1000Research 2019, 8:852 (https://doi.org/10.5256/f1000research.21210.r74647)
NOTE: it is important to ensure the information in square brackets after the title is included in all citations of this article.
Views
12
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Reviewer Report 19 Jan 2021
Henry Inegbedion, Department of Business Studies, Landmark University, Omu Aran, Nigeria 
Approved with Reservations
VIEWS 12
The research problem is very relevant and timely, given the challenges of the health sector globally amidst the COVID-19 pandemic. The authors did well to articulate the problem convincingly. However, there are some issues that require adequate attention in order ... Continue reading
CITE
CITE
HOW TO CITE THIS REPORT
Inegbedion H. Reviewer Report For: Diversity issues in Nigeria’s healthcare sector: implications on organizational commitment. A cross-sectional study [version 1; peer review: 2 approved with reservations]. F1000Research 2019, 8:852 (https://doi.org/10.5256/f1000research.21210.r77553)
NOTE: it is important to ensure the information in square brackets after the title is included in all citations of this article.

Comments on this article Comments (0)

Version 1
VERSION 1 PUBLISHED 12 Jun 2019
Comment
Alongside their report, reviewers assign a status to the article:
Approved - the paper is scientifically sound in its current form and only minor, if any, improvements are suggested
Approved with reservations - A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit.
Not approved - fundamental flaws in the paper seriously undermine the findings and conclusions
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