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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