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Table 1 Demographic characteristics of participants (n = 805)

From: The relationship between work stress and work ability among power supply workers in Guangdong, China: a cross-sectional study

Demographic characteristics Number Proportion (%)
Gender
Male 595 73.9
Female 210 26.1
Age group, year
<30 247 30.7
30~ 323 40.1
40~ 192 23.9
50~ 43 5.3
Education level
High school/technical secondary school or less 105 13.0
Junior college 167 20.8
University or above 533 66.2
Personal monthly income
<¥4000 210 26.1
¥4000~ 224 27.8
¥6000~ 270 33.5
¥8000~ 101 12.6
Marital status
Single 192 23.9
Married 602 74.8
Divorced/widowed 11 1.4
Shift work
Yes 78 9.7
No 727 90.3
Exposure to occupational hazards
Yes 699 86.8
No 106 13.2
Work role
Administrators 245 30.4
Front line workers 560 69.6
Job strain
Yes 231 28.7
No 574 71.3
ERI
Yes 156 19.4
No 649 80.6