Table 2.

Stepwise forward conditional logistic regression results for the criteria cigarette smoking, harmful drinking and multiple substance use and misuse (Multiple SUM) among rural and urban dwelling boys

	Cigarette smoking		Harmful drinking		Multiple SUM
	Urban boys	Rural boys	Urban boys	Rural boys	Urban boys	Rural boys
	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)	OR (95% CI)
Grade point average			1.67 (1.02 to 2.73)
School absence			1.63 (1.09 to 2.43)
Unexcused absence						1.74 (1.14 to 2.65)
Behavioural grade		2.66 (1.83 to 3.87)		1.94 (1.38 to 2.73)		2.09 (1.38 to 3.19)
Financial status		0.29 (0.10 to 0.85)				0.22 (0.06 to 0.83)
Parental absence			1.79 (1.15 to 2.79)		1.91 (1.05 to 3.50)
SCSRF				0.96 (0.93 to 0.99)		0.94 (0.90 to 0.97)

SCSRF, Santa Clara Strength of Religious Faith; SUM, substance use and misuse.