work stress

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L2NICCFP1-2013-2 in collaboration with JTC, industry partner. We would also like to acknowledge the contributions of colleagues from LKC. Medicine, college ...
ASSOCIATION BETWEEN WORK-RELATED STRESS AND PERCEIVED ENVIROMENTAL QUALITY IN A MULTIETHNIC POPULATION U.Divakar1, G.Dunleavy1, N.Nazeha1, N.Visvalingam1 ,R.Bajpai1,T. Sathish1, M.Soljak1, CK.Soh 2, J.Car1 1Centre

for Population Health Sciences, Lee Kong Chian School of Medicine, Nanyang Technological University, 639798 Singapore 2School of Civil and Environmental Engineering, College of Engineering, Nanyang Technological University, 639798 Singapore

Background

Results Table 1: Sample distribution (N=464)

Stressed (N) Age (mean±SD) Male Female

•OFFICE ENVIROMENT • Noise • Air • Light • Temperature

•WORK STRESS • Work related stress is one of the health epidemic of the 21st century

•CHRONIC HEALTH PROBLEMS • Physical • Mental • Emotional • Behavior

Chinese Malay Indian Before tertiary Tertiary University

Rationale & Objective • Environment is central to the stress-theory, however the association between environmental quality and level of work stress experienced has not been explored substantially. • Hence here we aim to investigate association between work-related stress and perceived environmental quality in a working population

Smoker Alcohol Drinker Aboveground Underground

Methods

Research Design

• Population-based cross-sectional study • The participants have been recruited from 9 aboveground and underground offices in Singapore • Data collected in 2016

• Eligibility Criteria • English speaking full-time employees • Aged above 21 years Recruitment • Working in the indoor offices in the aboveground and underground

• Stress at work was captured by a 4 point Likert-scale questionnaire (never, some stress, several stress and permanent stress). Measureme • Perceived environmental quality was assessed by a 7 point nt Likert-scale questionnaire rated from uncomfortable to Instrument comfortable.

Statistical Analysis

• Participants with the two highest levels of stress were compared to those with the two lowest levels • Participants who were comfortable (Likert scale 5-6) were compared to those who were not comfortable (Liker scale 1-4) • Multiple logistic regression analysis was used to identify the factors associated with work stress.

Comfortable Uncomfortable Comfortable Uncomfortable Comfortable Uncomfortable Comfortable Uncomfortable

Total (N, %)

Not Stressed (N)

Demographic Variables 39.03±11.40 Gender 299 85 70 10 Ethnic-group 257 39 75 24 35 16 Education 35 13 194 50 150 15 Lifestyle Variables 85 28 213 35 Work-place related 281 59 103 21 Environmental Variables Temperature 211 57 23 173 Air quality 98 35 286 45 Light 236 63 148 17 Noise 231 59 153 21

384 (83.7) 80(17.2) 296(63.7) 99(21.3) 51(11) 48(10.3) 244(52.6) 165(35.6) 113(24.3) 248(53.4) 340(73.3) 124(26.7)

268(57.8) 196(42.2) 133(28.7) 331(71.3) 299(64.4) 165(35.6) 290(62.5) 174(37.5)

Figure 1: Multivariate Analysis

Independent Variables Temperature Variation Air Quality Light Quality Noise Quality

Odds Ratio

[95% Conf. Interval]

1.62 2.56 1.14 0.68

0.923 1.24 0.62 0.37

2.84 5.29 2.12 1.27

P-value 0.09 0.01 0.67 0.23

• Only air quality was significantly associated with moderate to permanent work stress in the adjusted multivariate analysis among the environmental quality variables.

Conclusions • Air quality was found to have a greater impact on moderate to permanent work-stress compared to other environmental factors.

• This effect of physical environment on the psychological state of individuals has to be considered when designing workplace-stress management strategies. Acknowledgements

Funding: This project is supported by the Singapore Ministry of National Development and National Research Foundation under L2 NIC Award No. L2NICCFP1-2013-2 in collaboration with JTC, industry partner. We would also like to acknowledge the contributions of colleagues from LKC Medicine, college of Engineering, School of social sciences and DEON Lab. Conflict of Interest: None. *Corresponding author: U.Divakar, 11 Mandalay Road, L18 Clinical Sciences Building, Singapore 308232. Tel: +(65) 65923943