Table 3 Social support and ERI associated with the prevalence of UEMDs using logistic regression after adjusting for education, job title, marital status, work duration, and income

Elbow

54(32.5)

111(25.9)

0.63

0.37

1.08

Shoulder

106(63.9)

226(52.8)

0.63

0.38

1.03

Upper back

58(34.9)

85(19.9)

0.45**

0.26

0.79

Hand/wrist

59(41.6)

127(29.7)

0.48**

0.29

0.79

ERI < 1

(N = 400)

n(%)

ERI≧1

(N = 194)

n%

AOR

95%L

95%U

Elbow

95(23.8)

70(36.1)

2.38**

1.42

4.01

Shoulder

209(52.2)

123(63.4)

1.70*

1.06

2.74

Upper back

78(19.5)

65(33.5)

2.27**

1.3

3.95

Hand/wrist

116(29.0)

80(41.2)

2.4**

1.45

3.95