Association between shiftwork and second job with quality of life: a cross–sectional study in a large sample of Isfahan steel company’s employees

authors:

avatar Azimeh Maghzi Najafabadi , avatar Hamidreza Roohafza , avatar awat feizi , * , avatar Nisal Sarrafzadegan

Koomesh: Vol.22, issue 1; 122-129
published online: March 01, 2020
article type: Research Article
received: December 02, 2018
accepted: August 01, 2019

how to cite: Maghzi Najafabadi A, Roohafza H, feizi A, Sarrafzadegan N. Association between shiftwork and second job with quality of life: a cross–sectional study in a large sample of Isfahan steel company’s employees. koomesh. 2020;22(1):e153158. 

Abstract

Introduction: The present study was performed in order to investigate the association between shift work and having second job, with quality of life in a large sample of male employees in Isfahan steel company adjusting for the effects of demographic, lifestyle and job stress confounders. Materials and Methods: This cross-sectional study was carried out on 3063 employees of Isfahan steel company, who were selected through a multistage cluster sampling among 16000 employees in 2016. Demographic and lifestyle data were obtained from a self-administered questionnaire. Relatively, for evaluating the quality of life (QoL), EQ-5D, for job stress, the Effort-Reward Imbalance (ERI) questionnaire and for physical activity IPAQ were used. Latent class regression was used for data analysis. Results: In study sample, 57.7% were shift workers and 10% had second job. Participants were classified into two classes, high (80.49%) and low (19.51%) QoL, and this variable was considered as the response variable in latent class regression. Shift workers had17% lower odds for being in high quality of life class in adjusted model (OR=0.83 95% CI: (0.683, 1.015)). No significant relationship was observed between second job and quality of life Conclusion: The present study showed that the shift workers has significant lower quality of life, while no significant association was found with the second job. Through moderating the effective factors on quality of life, it is possible to enhance it and as a result, increase the productivity of this population.  

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