Characteristic Total sample Respondents completed ≥1 survey
Count % Total 1-Day group 3-Day group 7-Day group
Count % Count % Count % Count %
Female 149 49.7 102 51.0 31 52.5 34 52.3 37 48.7
Male 151 50.3 98 49.0 28 47.5 31 47.7 39 51.3
Under age 35 178 59.3 119 59.5 29 49.2 41 63.1 49 64.5
Age 35–49 96 32.0 69 34.5 26 44.1 21 32.3 22 28.9
Age 50 or above 26 8.7 12 6.0 4 6.8 3 4.6 5 6.6
White 235 78.3 158 79.0 49 83.1 47 72.3 62 81.6
Black 35 11.7 23 11.5 8 13.6 8 12.3 7 9.2
Asian 26 8.7 21 10.5 5 8.5 8 12.3 8 10.5
Other 26 8.7 15 7.5 1 1.7 6 9.2 8 10.5
Hispanic 36 12.0 23 11.5 8 13.6 6 9.2 9 11.8 a
Some high school 43 14.3 35 17.5 11 18.6 13 20.0 11 14.5
High school 34 11.3 19 9.5 6 10.2 7 10.8 6 7.9
Some college 41 13.7 25 12.5 9 15.3 3 4.6 13 17.1
College 127 42.3 82 41.0 22 37.3 29 44.6 31 40.8
Somegraduate school 13 4.3 11 5.5 4 6.8 2 3.1 5 6.6
Graduate school 38 12.7 25 12.5 6 10.2 11 16.9 8 10.5
Total 300 100.0 200 100.0 59 100.0 65 100.0 76 100.0