Validation of the Job Content Questionnaire among hospital nurses in Vietnam

Natsu Sasaki; Kotaro Imamura; Tran T T Thuy; Kazuhiro Watanabe; Nguyen T Huong; Kazuto Kuribayashi; Asuka Sakuraya; Bui M Thu; Nguyen T Quynh; Nguyen T Kien; Nguyen T Nga; Nguyen T H Giang; Truong Q Tien; Harry Minas; Melvyn Zhang; Akizumi Tsutsumi; Norito Kawakami

doi:10.1002/1348-9585.12086

Validation of the Job Content Questionnaire among hospital nurses in Vietnam

Natsu Sasaki
, Kotaro Imamura
, Tran T T Thuy
, Kazuhiro Watanabe
, Nguyen T Huong
, Kazuto Kuribayashi
, Asuka Sakuraya
, Bui M Thu
, Nguyen T Quynh
, Nguyen T Kien
, Nguyen T Nga
, Nguyen T H Giang
, Truong Q Tien
, Harry Minas
, Melvyn Zhang
, Akizumi Tsutsumi
, Norito Kawakami

Clinical, Neuro- & Developmental Psychology

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

OBJECTIVES: The aim of this study was to examine the reliability and validity of the Job Content Questionnaire (JCQ) in Vietnamese among hospital nursing staff.

METHODS: The 22-items version of the JCQ was used. This includes four scales: (a) psychological demands (5 items); (b) job control (9 items); (c) supervisor support (4 items); and (d) coworker support (4 items). All 1258 nurses in a general hospital in Vietnam, excluding 11 who were due to retire, were invited to complete the cross-sectional survey. The internal consistency reliability was estimated using Cronbach's α. Construct validity was examined using exploratory factor analysis (EFA). Convergent validity was evaluated by calculating correlations between the JCQ scores and DASS 21 and overtime work.

RESULTS: In total, 949 (75%) of the 1258 eligible nurses completed the survey. Cronbach's α values demonstrated acceptable internal consistency in two scales (supervisor support α = .87; coworker support α = .86), while Cronbach's α was below the acceptable threshold of 0.70 for job control (α = .45) and job demand (α = .50). EFA assuming a four-factor structure showed a factor structure that was almost identical to the original JCQ, with two items loading on other scales. The subscales of depression, anxiety, and stress response of DASS 21 and the subscales of JCQ were significantly correlated, as expected.

CONCLUSION: The results suggest that the JCQ in Vietnamese can be used with some reliability and validity for examining psychosocial work environment among nurses. Further studies should be done to confirm and expand our findings in a variety of occupational groups and in other Asian low- and middle-income countries.

Original language	English
Article number	e12086
Pages (from-to)	1-10
Number of pages	10
Journal	Journal of occupational health
Volume	62
Issue number	1
Early online date	21 Sept 2019
DOIs	https://doi.org/10.1002/1348-9585.12086
Publication status	Published - Jan 2020

Bibliographical note

Funding

Approval of the research protocol : This study was approved by The Research Ethics Committee of the Graduate School of Medicine/Faculty of Medicine, The University of Tokyo (no. 11991‐(1)), and the Ethical Review Board for Biomedical Research, Hanoi University of Public Health (no 346/2018/YTCC‐HD3) regarding research protocol. Informed consent : Written informed consent was obtained from all participants with full disclosure and explanation of the purpose and procedures of this study. We explained that their participation was voluntary, and they can withdraw from the study at any time even after voluntarily participating without any reason. Registry and the registration no. of the study/trial : N/A. Animal studies : N/A. Conflict of interest : None declared. This work is supported by a grant from the Japan Agency for Medical Research and Development (AMED): project number 18jk0110014h0002/19jk0110014h0002. We appreciate nurses of Bach Mai Hospital, Hanoi, Vietnam, for their help in developing the Vietnamese JCQ.

Funders	Funder number
of Medicine
Bach Mai Hospital
Japan Society for the Promotion of Science	19K21509
Japan Agency for Medical Research and Development	18jk0110014h0002/19jk0110014h0002
Hanoi University of Public Health	346/2018/YTCC‐HD3
University of Tokyo	11991

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 8 Decent Work and Economic Growth

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Sasaki, N., Imamura, K., Thuy, T. T. T., Watanabe, K., Huong, N. T., Kuribayashi, K., Sakuraya, A., Thu, B. M., Quynh, N. T., Kien, N. T., Nga, N. T., Giang, N. T. H., Tien, T. Q., Minas, H., Zhang, M., Tsutsumi, A., & Kawakami, N. (2020). Validation of the Job Content Questionnaire among hospital nurses in Vietnam. Journal of occupational health, 62(1), 1-10. Article e12086. https://doi.org/10.1002/1348-9585.12086

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title = "Validation of the Job Content Questionnaire among hospital nurses in Vietnam",

abstract = "OBJECTIVES: The aim of this study was to examine the reliability and validity of the Job Content Questionnaire (JCQ) in Vietnamese among hospital nursing staff.METHODS: The 22-items version of the JCQ was used. This includes four scales: (a) psychological demands (5 items); (b) job control (9 items); (c) supervisor support (4 items); and (d) coworker support (4 items). All 1258 nurses in a general hospital in Vietnam, excluding 11 who were due to retire, were invited to complete the cross-sectional survey. The internal consistency reliability was estimated using Cronbach's α. Construct validity was examined using exploratory factor analysis (EFA). Convergent validity was evaluated by calculating correlations between the JCQ scores and DASS 21 and overtime work.RESULTS: In total, 949 (75\%) of the 1258 eligible nurses completed the survey. Cronbach's α values demonstrated acceptable internal consistency in two scales (supervisor support α = .87; coworker support α = .86), while Cronbach's α was below the acceptable threshold of 0.70 for job control (α = .45) and job demand (α = .50). EFA assuming a four-factor structure showed a factor structure that was almost identical to the original JCQ, with two items loading on other scales. The subscales of depression, anxiety, and stress response of DASS 21 and the subscales of JCQ were significantly correlated, as expected.CONCLUSION: The results suggest that the JCQ in Vietnamese can be used with some reliability and validity for examining psychosocial work environment among nurses. Further studies should be done to confirm and expand our findings in a variety of occupational groups and in other Asian low- and middle-income countries.",

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note = "{\textcopyright} 2019 The Authors. Journal of Occupational Health published by John Wiley \& Sons Australia, Ltd on behalf of The Japan Society for Occupational Health.",

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Sasaki, N, Imamura, K, Thuy, TTT, Watanabe, K, Huong, NT, Kuribayashi, K, Sakuraya, A, Thu, BM, Quynh, NT, Kien, NT, Nga, NT, Giang, NTH, Tien, TQ, Minas, H, Zhang, M, Tsutsumi, A & Kawakami, N 2020, 'Validation of the Job Content Questionnaire among hospital nurses in Vietnam', Journal of occupational health, vol. 62, no. 1, e12086, pp. 1-10. https://doi.org/10.1002/1348-9585.12086

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T1 - Validation of the Job Content Questionnaire among hospital nurses in Vietnam

AU - Sasaki, Natsu

AU - Imamura, Kotaro

AU - Thuy, Tran T T

AU - Watanabe, Kazuhiro

AU - Huong, Nguyen T

AU - Kuribayashi, Kazuto

AU - Sakuraya, Asuka

AU - Thu, Bui M

AU - Quynh, Nguyen T

AU - Kien, Nguyen T

AU - Nga, Nguyen T

AU - Giang, Nguyen T H

AU - Tien, Truong Q

AU - Minas, Harry

AU - Zhang, Melvyn

AU - Tsutsumi, Akizumi

AU - Kawakami, Norito

PY - 2020/1

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N2 - OBJECTIVES: The aim of this study was to examine the reliability and validity of the Job Content Questionnaire (JCQ) in Vietnamese among hospital nursing staff.METHODS: The 22-items version of the JCQ was used. This includes four scales: (a) psychological demands (5 items); (b) job control (9 items); (c) supervisor support (4 items); and (d) coworker support (4 items). All 1258 nurses in a general hospital in Vietnam, excluding 11 who were due to retire, were invited to complete the cross-sectional survey. The internal consistency reliability was estimated using Cronbach's α. Construct validity was examined using exploratory factor analysis (EFA). Convergent validity was evaluated by calculating correlations between the JCQ scores and DASS 21 and overtime work.RESULTS: In total, 949 (75%) of the 1258 eligible nurses completed the survey. Cronbach's α values demonstrated acceptable internal consistency in two scales (supervisor support α = .87; coworker support α = .86), while Cronbach's α was below the acceptable threshold of 0.70 for job control (α = .45) and job demand (α = .50). EFA assuming a four-factor structure showed a factor structure that was almost identical to the original JCQ, with two items loading on other scales. The subscales of depression, anxiety, and stress response of DASS 21 and the subscales of JCQ were significantly correlated, as expected.CONCLUSION: The results suggest that the JCQ in Vietnamese can be used with some reliability and validity for examining psychosocial work environment among nurses. Further studies should be done to confirm and expand our findings in a variety of occupational groups and in other Asian low- and middle-income countries.

AB - OBJECTIVES: The aim of this study was to examine the reliability and validity of the Job Content Questionnaire (JCQ) in Vietnamese among hospital nursing staff.METHODS: The 22-items version of the JCQ was used. This includes four scales: (a) psychological demands (5 items); (b) job control (9 items); (c) supervisor support (4 items); and (d) coworker support (4 items). All 1258 nurses in a general hospital in Vietnam, excluding 11 who were due to retire, were invited to complete the cross-sectional survey. The internal consistency reliability was estimated using Cronbach's α. Construct validity was examined using exploratory factor analysis (EFA). Convergent validity was evaluated by calculating correlations between the JCQ scores and DASS 21 and overtime work.RESULTS: In total, 949 (75%) of the 1258 eligible nurses completed the survey. Cronbach's α values demonstrated acceptable internal consistency in two scales (supervisor support α = .87; coworker support α = .86), while Cronbach's α was below the acceptable threshold of 0.70 for job control (α = .45) and job demand (α = .50). EFA assuming a four-factor structure showed a factor structure that was almost identical to the original JCQ, with two items loading on other scales. The subscales of depression, anxiety, and stress response of DASS 21 and the subscales of JCQ were significantly correlated, as expected.CONCLUSION: The results suggest that the JCQ in Vietnamese can be used with some reliability and validity for examining psychosocial work environment among nurses. Further studies should be done to confirm and expand our findings in a variety of occupational groups and in other Asian low- and middle-income countries.

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Validation of the Job Content Questionnaire among hospital nurses in Vietnam

Abstract

Bibliographical note

Funding

UN SDGs

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