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Table 3 Results of the GEE analyzing the effect of shift work status by marital status

From: The impact of shift and night work on health related quality of life of working women: findings from the Korea Health Panel

  

β*

S.E

P-value

Existence of spouse

 Yes

Day work

Ref

  

Night work

−1.3482

0.6200

0.0297

Rotating shift work

−0.8132

0.4506

0.0711

 No

Day work

Ref

  

Night work

−0.5191

0.5425

0.3386

Rotating shift work

−0.8615

0.6809

0.2058

Household income

 Low

Day work

Ref

  

Night work

−1.7891

0.9998

0.0735

Rotating shift work

−0.4146

0.7344

0.5724

 Low-middle

Day work

Ref

  

Night work

−1.0657

0.6188

0.0850

Rotating shift work

−0.1974

0.6162

0.7487

 Middle-high

Day work

Ref

  

Night work

−0.0940

0.7797

0.9040

Rotating shift work

−0.9890

0.8230

0.2295

 High

Day work

Ref

  

Night work

−0.9858

0.7558

0.1921

Rotating shift work

−1.1240

0.7193

0.1181

  1. *EQ-5D score is expressed as mean ± SD
  2. Adjusted for age, household income, education level, employment status, occupational classification, full time/part time status, number of chronic diseases, and year