Table 2.

Descriptive and injunctive norms across age groups (% of agreement, N = 1067).

Norms	Age Group
	Total	20s	30s	40s	50s	χ2 or F (p)
	(n = 1067)	(n = 239)	(n = 225)	(n = 290)	(n = 313)
	%	%	%	%	%
Descriptive norms: Friends’ drinking frequency						χ2 =35.65 (<0.001)
Drink nothing at all	14.3	11.3	14.2	13.8	17.3
Less than once per month	15.0	13.0	12.9	16.2	16.9
Once per month	11.4	10.5	9.3	14.1	11.2
Two to four times per month	33.6	38.9	34.2	28.6	33.5
Two or more times per week	25.7	26.4	29.3	27.2	21.1
Injunctive norms †
It is acceptable to drink in a park or on a mountain after hiking.	10.5	20.9	14.7	7.6	2.2	χ2 = 77.19 (<0.001)
It is acceptable to drink during the day.	30.6	58.6	45.3	20.0	8.3	χ2 = 240.27 (<0.001)
It is acceptable to get drunk.	34.3	59.4	42.7	27.6	15.3	χ2 = 147.22 (<0.001)
It is acceptable for high school students to drink.	2.3	3.8	3.1	2.1	1.0	χ2 = 17.35 (0.008)
It is acceptable to drink alone.	61.2	79.1	76.4	56.9	40.6	χ2 = 122.93 (<0.001)
Crimes committed while drunk can be forgiven.	0.8	1.3	0.4	0.7	1.0	χ2 = 5.68 (0.460)
It is discourteous to refuse a drink offered by someone else.	2.4	1.7	4.0	2.1	2.2	χ2 =3.36 (0.763)
It is acceptable to drink in a convenience store.	20.0	31.4	22.2	15.9	13.4	χ2 = 50.78 (<0.001)
Crimes committed while being intoxicated can receive less severe sentences.	0.6	1.3	0.4	0.0	0.6	χ2 = 10.12 (.120)
M (SD)	2.21 (0.49)	2.45 (0.47)	2.35 (0.46)	2.14 (0.47)	1.99 (0.45)	F = 53.73 (<0.001)

Note: ^† % of agree and strongly agree (5-point scale from strongly disagree to strongly agree); M, mean; SD, standard deviation.