Table 4.

Multiple regression analyses predicting drinking frequency and quantity across age groups.

	Frequency				Quantity
	20s	30s	40s	50s	20s	30s	40s	50s
	(n = 212)	(n = 207)	(n = 279)	(n = 293)	(n = 212)	(n = 207)	(n = 279)	(n = 293)
	β	β	β	β	β	β	β	β
Demographic Variables
Education	0.06	−0.04	0.03	−0.03	−0.06	−0.01	−0.09	−0.12 *
Marital Status	0.05	0.07	0.01	0.01	0.10	−0.10	−0.04	−0.04
Household Income	0.02	0.14 ***	−0.02	−0.01	0.00	0.06	−0.03	−0.03
Smoking	0.02	0.03	0.04	0.02	0.12 *	0.12 *	0.16 **	0.06
Norms
Descriptive Norms	0.45 ***	0.58 ***	0.47 ***	0.43 ***	0.32 ***	0.31 ***	0.21 ***	0.27 ***
Injunctive Norms	0.21 ***	0.07	0.16 ***	0.17 ***	0.19 **	0.12 *	0.18 **	0.21 ***
Motives
Enhancement	0.30 ***	0.19 ***	0.29 ***	0.25 ***	0.13	0.29 ***	0.24 **	0.24 ***
Coping	−0.01	0.03	−0.01	0.08	0.04	−0.13	−0.13	−0.08
Social	0.05	0.07	−0.02	0.01	0.15 *	0.11	0.11	0.00
Conformity	−0.10	−0.27 ***	−0.43 ***	−0.21 **	−0.11	−0.14	−0.33 ***	−0.16
Environmental	−0.04	0.04	0.17 **	−0.07	−0.08	0.04	0.16	0.04
R 2	0.55	0.61	0.57	0.34	0.36	0.37	0.31	0.21
F (p)	22.02 (<0.001)	27.82 (<0.001)	31.99 (<0.001)	12.96 (<0.001)	10.01 (<0.001)	10.48 (<0.001)	11.06 (<0.001)	6.96 (<0.001)

Note: Marital status (married = 1, single/divorced/widow = 0), smoking (smoker = 1, non-smoker = 0); $R^2$ = 19.8%; * p < 0.05, ** p < 0.01, *** p < 0.001.