Table 5.

Odds ratios (95% CI) for unintentional injuries among Chinese undergraduates according to the TU component

Model controlling for:	TU score		OR (95% CI) for TU category according to quintile
	OR(95% CI)	P	Quintile 1	Quintile 2	Quintile 3	Quintile 4	Quintile 5	P
			≤8(149)	9-10(93)	11-12(102)	13-14(79)	15 + (83)
-	1.040(0.990 ~ 1.093)	0.119	1	1.03(0.60 ~ 1.76)	0.99(0.59 ~ 1.67)	1.12(0.64 ~ 1.96)	1.58(0.89 ~ 2.81)	0.571
Sports	1.040(0.989 ~ 1.093)	0.126	1	1.03(0.59 ~ 1.77)	0.98(0.58 ~ 1.67)	1.11(0.63 ~ 1.95)	1.56(0.88 ~ 2.79)	0.602
No. of siblings	1.042(0.991 ~ 1.096)	0.106	1	1.04(0.60 ~ 1.79)	1.00(0.59 ~ 1.70)	1.14(0.64 ~ 2.02)	1.60(0.90 ~ 2.85)	0.557
Income	1.043(0.992 ~ 1.096)	0.097	1	1.01(0.59 ~ 1.74)	0.99(0.59 ~ 1.67)	1.12(0.64 ~ 1.97)	1.62(0.91 ~ 2.88)	0.520
Drink	1.043(0.992 ~ 1.097)	0.099	1	1.09(0.63 ~ 1.88)	1.01(0.59 ~ 1.72)	1.11(0.63 ~ 1.95)	1.66(0.93 ~ 2.97)	0.520
Model*	1.052(0.999 ~ 1.108)	0.057	1	1.09(0.62 ~ 1.92)	1.03(0.60 ~ 1.77)	1.16(0.64 ~ 2.08)	1.74(0.96 ~ 3.16)	0.456
Model†	1.053(1.000 ~ 1.110)	0.052	1	1.30(0.72 ~ 2.35)	1.21(0.69 ~ 2.15)	1.28(0.70 ~ 2.36)	2.01(1.08 ~ 3.76)	0.302

*: A model adjusting for sports, only child, income, and drinking habits.

^†: A full model adjusting for sports, only child, income, drinking habits, smoking habits, BMI, club activity.