Variables | B | S.E | p | OR | 95% CI |
---|---|---|---|---|---|
Age | − 0.05 | 0.08 | 0.49 | 0.95 | 0.81–1.11 |
Gender (control group = female) | 2.26 | 0.19 | 0.00 | 9.55 | 6.48–14.06 |
Majors (control group = nursing) |  |  |  |  |  |
 Pedagogy | 0.01 | 0.37 | 0.98 | 1.01 | 0.49–2.07 |
 Medicine | 0.78 | 0.29 | 0.00 | 2.19 | 1.25–3.85 |
 Literature and art | 0.02 | 0.68 | 0.97 | 1.02 | 0.26–3.86 |
 Engineering | 0.16 | 0.58 | 0.78 | 1.17 | 0.37–3.64 |
 Sports | 1.03 | 0.33 | 0.00 | 2.81 | 0.46–5.41 |
Ethnicity (control group = minority) | |||||
 Han | − 0.01 | 0.16 | 0.97 | 0.99 | 0.72–1.37 |
SES (control group ≥ 10,000 yuan) | |||||
 < 3000 yuan | − 0.80 | 0.25 | 0.00 | 0.45 | 0.27–0.73 |
 3000–10,000 yuan | − 0.35 | 0.23 | 0.12 | 0.70 | 0.44–1.10 |
FE (control group = non-singleton family) | |||||
 Singleton family | − 0.46 | 0.21 | 0.03 | 0.63 | 0.41–0.96 |
Peer influence (control group = with smoking friends) | |||||
 Without smoking friends | − 1.74 | 0.27 | 0.00 | 0.18 | 0.10–0.29 |