Variables | Insomnia | |||
---|---|---|---|---|
Poisson regression with CEM | Sensitivity Analysis | |||
Ordinary Poisson regression analysis | Logistic regression analysis | Probit regression analysis | ||
RR [95% CI] | RR [95% CI] | OR [95% CI] | β [95% CI] | |
Occupational stress | ||||
 Low | Ref | Ref | Ref | Ref |
 Excessive | 2.46 [0.77–7.87] | 2.58 [0.83–8.00] | 3.00 [0.88–10.28] | 0.52[− 0.10–1.14] |
Age groups | ||||
 18–29 years | a | Ref | Ref | Ref |
 30–49 years |  | 0.61 [0.06–5.90] | 0.57 [0.08–3.84] | −0.28[−1.18–0.61] |
Sex | ||||
 Males | Ref | Ref | Ref | Ref |
 Females | 2.05 [0.64–6.62]** | 1.58 [0.53–4.76] | 1.72 [0.47–6.30] | 0.31[−0.35–0.96] |
Dependents | ||||
 No | a | Ref | Ref | Ref |
 Yes |  | 0.25 [0.02–3.45] | 0.22 [0.02–2.21] | −0.77[−1.81–0.28] |
Employment | ||||
 Permanent | Ref | Ref | Ref | Ref |
 Contract | 0.70 [0.19–2.49]* | 0.36 [0.11–1.18] | 0.30 [0.08–1.16] | −0.59[−1.27–0.10] |
Job ranking | ||||
 Other | Ref | Ref | Ref | Ref |
 Superior | 0.53 [0.08–3.44] | 0.57 [0.07–4.66] | 0.52 [0.05–5.15] | −0.39[−1.55–0.77] |
Hours per week | ||||
 Regular | Ref | Ref | Ref | Ref |
 Overtime | 2.29 [0.70–7.52] | 2.07 [0.65–6.62] | 2.32 [0.62–8.73] | 0.43[−0.23–1.09] |
Work experience | a | 0.72 [0.51–1.02] | 0.69 [0.39–1.24] | −0.17[− 0.47–0.13] |
Alcohol intake | ||||
 No | Ref | Ref | Ref | Ref |
 Yes | 3.15 [0.78–12.73] | 1.77 [0.41–7.74] | 1.95 [0.44–8.69] | 0.38[−0.37–1.13 |
Smoking status | ||||
 No | Ref | Ref | Ref | Ref |
 Yes | 0.27 [0.03–2.91] | 0.54 [0.04–6.63] | 0.49 [0.05–5.41] | −0.27[−1.40–0.86] |