Table 3.

Unadjusted and adjusted logistic regression model of risk factors associated with child restraint use in Shanghai (n=12 061)

Covariate	Unadjusted model		Adjusted model
	OR	95% CI	OR	95% CI
Observation time (ref: afternoon)
Morning	1.42*	1.14 to 1.75	1.30*	1.04 to 1.62
Type of vehicle (ref: sedan/saloon)
SUV/4WD	1.30*	1.10 to 1.55	1.31*	1.10 to 1.56
Taxi	0.03*	0.01 to 0.06	0.03*	0.01 to 0.06
Others†	0.68	0.46 to 1.02	0.82	0.55 to 1.23
Location type (ref: Children’s hospital)
Kindergarten	1.08	0.67 to 1.73	0.92	0.57 to 1.48
Entertainment places	2.87*	2.07 to 3.99	2.34*	1.67 to 3.28
Shopping malls	1.98*	1.46 to 2.69	1.86*	1.36 to 2.55
Child's age (ref: age 5–12 years)
<5 years	2.06*	1.73 to 2.45	2.12*	1.78 to 2.53
Missing	0.81	0.11 to 5.94	0.77	0.10 to 5.73
Other child present (ref: no)	0.46*	0.32 to 0.67	0.45*	0.31 to 0.65
Child's position (ref: front passenger)	26.27*	3.69 to 187.25	31.80*	4.45 to 227.14

*Indicates p<0.05.

†Type of vehicle-others involve: pickup/light truck/bus/minibus/minivan/school bus.

SUV, Sport utility vehicle; 4WD, four-wheel drive vehicles.