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Table 5 Odds ratio of return-to-work rate by certification (stratified analysis)

From: Effect of professional certification on employees’ return-to-work rate after occupational injuries in Korea: focusing on vulnerable groups

  

Binomial *

Multinomial †

Return-to-work

Returned to original work

Reemployed

OR ‡

95% CI

OR ‡

95% CI

OR ‡

95% CI

Sex

Male

Certification

 Yes

0.92

0.74

1.13

0.89

0.71

1.13

0.93

0.75

1.16

 No

1.00

   

1.00

   

1.00

   

Female

Certification

 Yes

4.60

2.68

7.91

3.21

1.74

5.91

5.85

3.34

10.27

 No

1.00

   

1.00

   

1.00

   

Status of workers

Regular worker

Certification

 Yes

1.05

0.78

1.42

0.97

0.71

1.32

1.09

0.79

1.49

 No

1.00

   

1.00

   

1.00

   

Daily worker

Certification

 Yes

1.32

1.03

1.69

1.13

0.84

1.54

1.37

1.07

1.76

 No

1.00

   

1.00

   

1.00

   
  1. *Return to original work group and reemployed group were integrated into the RTW group
  2. †The non-RTW group was separate compared with the return to original work group and reemployed group
  3. ‡Statistical data estimated from a binomial/multinomial multivariate logistic regression analyses that adjusted for all other covariates excluding an interesting variant