Table 2.

Associated factors of hazardous drinkers among overall participants

Variables	Crude OR (95% CI)	P value	Adjusted OR (95% CI)	P value
Age (+1)	1.15 (1.13 to 1.18)	<0.001	1.14 (1.12 to1.17)	<0.001
Gender (ref. girl)	1.32 (1.20 to 1.44)	<0.001	1.38 (1.23 to 1.52)	<0.001
Residence (ref. urban)	1.03 (0.94 to 1.13)	0.535	1.04 (0.95 to 1.15)	0.407
Nuclear family (ref. no)	0.61 (0.56 to 0.68)	<0.001	0.61 (0.55 to 0.67)	<0.001
LBC (ref. yes)	0.85 (0.77 to 0.94)	<0.001	0.90 (0.82 to 1.00)	0.047
Paternal drinking (ref. yes)	0.70 (0.62 to 0.79)	<0.001	0.82 (0.73 to 0.93)	0.001
Maternal drinking (ref. yes)	0.48 (0.43 to 0.52)	<0.001	0.51 (0.46 to 0.56)	<0.001

Nuclear family, which means that students live with their two biological parents.

LBC, left-behind children; Ref., reference.