Table 3.

Risk of drink-driving among Chinese male drivers aged ≥18 years who consumed alcohol in the past 30 days, China Chronic Disease and Risk Factor Survey, 2010 (unweighted N = 6,046).^a

	Crude PR	95% CI	Adjusted PRb	95% CI
Age (years) (18–24 Ref)
25–34	1.1	(0.9–1.5)	1.0	(0.7–1.4)
35–54	1.2	(0.9–1.6)	0.9	(0.6–1.5)
≥ 55	1.0	(0.7–1.4)	0.8	(0.5–1.2)
Education
Some high school or less	Ref
HS or some college	1.1	(1.0–1.3)	1.2	(1.1–1.4)
College graduate and above	1.1	(0.9–1.4)	1.3	(1.1–1.7)
Marital status
Single	Ref
Married/cohabiting	1.6	(1.2–2.0)	1.6	(1.0–2.4)
Separated/divorced/widowed	1.7	(1.1–2.7)	1.6	(1.0–2.8)
Income (RMB, in quartiles)
Don’t know/not sure/refused	0.7	(0.6–1.0)	0.7	(0.5–1.0)
Q1 (0–12,000)	1.1	(0.9–1.4)	1.0	(0.8–1.3)
Q2 (12,500–24,000)	1.0	(0.9–1.2)	1.0	(0.8–1.1)
Q3 (24,500–42,000)	Ref
Q4 (43,000–1,200,000)	1.0	(0.8–1.2)	1.0	(0.8–1.2)
Race
Minority	1.3	(0.9–1.7)	1.1	(0.8–1.5)
Han nationality	Ref
Tobacco use status
Current smoker	1.3	(1.1–1.5)	1.2	(1.1–1.4)
Ex-smoker	1.2	(1.0–1.6)	1.1	(0.9–1.4)
Never smoker	Ref
Employed
Yes	1.2	(0.7–1.8)	1.0	(0.7–1.6)
No	Ref
Frequent drinking
Yes	1.6	(1.4–1.9)	1.2	(1.0–1.4)
No	Ref
Excessive drinking
Yes	2.0	(1.7–2.2)	1.6	(1.4–1.9)
No	Ref
Binge drinking
Yes	1.9	(1.6–2.3)	1.5	(1.2–1.8)
No	Ref
Seat belt use when driving
Usually	Ref
Sometimes	1.2	(0.9–1.6)	1.1	(0.9–1.5)
Rarely	2.0	(1.6–2.4)	1.9	(1.5–2.3)
Never	1.7	(1.4–2.1)	1.7	(1.3–2.1)
Driving license
Yes	Ref
No	1.1	(0.9–1.4)	1.1	(0.8–1.3)
Injury in past 12 mnths
Yes, traffic injury	1.5	(1.1–2.1)	1.6	(1.2–2.2)
Yes, non-traffic injury	1.6	(12–22)	1.4	(1.0–1.9)
No	Ref

^aN is reduced in the multivariate analysis because of missing data for some covariates.

^bEach prevalence ratio is adjusted for all other variables in its respective column. Statistically significant adjusted prevalence ratios are in bold type. *HS = high school.