Table 4.

Association of potential factors on child safety restraint usage

	OR (95% CI)
	Univariate analysis (1) Properly used safety restraint (N=191) compared with no use (N=110)	Univariate analysis (2) Improperly used safety restraint (N=198) compared with no use (N=110)
Age group*
>5 years	–	–
≤5 years	4.87 (2.93 to 8.07)*	2.65 (1.63 to 4.31)*
Gender*
Girl	–	–
Boy	1.25 (0.75 to 2.07)*	1.41 (0.87 to 2.27)*
Relationship with driver
Parent	0.96 (0.43 to 2.16)	0.84 (0.38 to 1.86)
Not parent	–	–
Driver’s gender
Male	0.90 (0.56 to 1.44)	0.98 (0.62 to 1.57)
Female	–	–
Driver’s seat belt use
Yes	3.84 (2.10 to 7.05)	2.68 (1.51 to 4.74)
No	–	–
Driver’s education*
≤College	–	–
>College	1.81 (1.10 to 2.98)**	1.26 (0.77 to 2.06)**

^*Age and gender were controlled in the model;

^**p<0.001.