Skip to main content
. Author manuscript; available in PMC: 2022 Jan 1.
Published in final edited form as: J Adolesc Health. 2020 May 8;68(1):110–115. doi: 10.1016/j.jadohealth.2020.03.039

Table 1:

Demographic information

Characteristic Summer pre-freshman year
(survey cycle 1, 2011)
Summer one year post-graduation
(survey cycle 6, 2016)
WI
n = 199, (%)
WA
n = 139, (%)
p-value WI
n = 101, (%)
WA
n = 54, (%)
p-value
Gender: Female 111 (55.8) 79 (56.8) 0.94 60 (59.4) 34 (63.0) 0.80
Ethnicity: White 177 (88.9) 76 (54.7) <0.001 90 (89.1) 29 (53.7) <0.001
    Asian 8 (4.0) 31 (22.3) 6(5.9) 13 (24.1)
    Other1 14 (7.0) 32 (23.0) 5 (5.0) 12 (22.2)
Housing: On campus (versus off campus) 189 (95.0) 88 (63.8) <0.001 - - -
Proportion of friends who approve marijuana use: mean %, (SD) 37.4 (30.1) 43.2 (31.4) 0.09 57.6 (25.9) 60.4 (23.7) 0.50
Proportion of friends who used marijuana in the last 28 days: mean %, (SD) 27.1 (27.3) 32.5 (29.3) 0.09 32.2 (24.5) 38.1 (21.3) 0.13
1

Other includes participants who self-identify as Hispanic, African American, Native American, Alaskan, East Indian, multiple ethnicities, or other