Table 3 Multivariate logistic regression results predicting current smoking

Age (years)

 ≤35

1

1

 36–45

1.27 (0.97-1.66)

1.29 (0.99-1.69)

 ≥46

1.26 (0.95-1.69)

1.29 (0.97-1.73)

Marital status

 Single/Divorced/Widowed/Separated vs. Married/Cohabiting

0.92 (0.71-1.20)

0.95 (0.73-1.24)

Education

 Junior high school or under vs. Senior high school/Technical secondary school or above

1.53 (1.23-1.89)

1.54 (1.24-1.91)

Job rank

 Staff miner vs. Head miner

0.83 (0.66-1.04)

0.83 (0.66-1.04)

Occupational category

 Mining/Tunneling vs. Supporting

0.93 (0.77-1.12)

0.93 (0.77-1.12)

ERI

 Low

1

1

 Intermediate

1.13 (0.90-1.41)

1.12 (0.90-1.40)

 High

1.11 (0.88-1.40)

1.10 (0.87-1.40)

PPE

 Low

1

1

 Intermediate

1.39 (1.11-1.75)

1.39 (1.11-1.74)

 High

1.22 (0.97-1.54)

1.21 (0.95-1.53)

PsyCap

 Low

1

1

 Intermediate

1.13 (0.91-1.40)

1.12 (0.90-1.40)

 High

1.01 (0.81-1.25)

1.00 (0.79-1.25)

Self-efficacy

 Low

1

1

 Intermediate

1.13 (0.88-1.45)

1.12 (0.87-1.45)

 High

0.97 (0.71-1.31)

0.99 (0.72-1.35)

Hope

 Low

1

1

 Intermediate

1.20 (0.92-1.55)

1.23 (0.94-1.61)

 High

0.91 (0.65-1.27)

0.90 (0.64-1.27)

Resilience

 Low

1

1

 Intermediate

1.31 (1.01-1.71)

1.30 (0.99-1.70)

 High

1.61 (1.16-2.23)

1.58 (1.13-2.20)

Optimism

 Low

1

1

 Intermediate

0.81 (0.63-1.05)

0.79 (0.61-1.03)

 High

0.70 (0.52-0.93)

0.69 (0.51-0.92)

−2 Log likelihood

2705.56

2687.44

2650.21

2631.63