Respondent characteristics | Not at all addicted (n=151)% (95% CI) | Yes, somewhat addicted (n=509)% (95% CI) | Yes, very addicted (n=579)% (95% CI) |
Total | 15.3 (12.2 to 18.4) | 43 (39.0 to 47.0) | 41.7 (37.8 to 45.7) |
Sex* | |||
Male | 54.7 (43.7 to 65.8) | 52.3 (46.0 to 58.5) | 36.2 (30.7 to 41.7) |
Female | 45.3 (34.2 to 56.3) | 47.7 (41.5 to 54.0) | 63.8 (58.3 to 69.3) |
Age (years)* | |||
18–34 | 46.0 (35.1 to 56.9) | 34.2 (27.8 to 40.6) | 25.6 (20.4 to 30.7) |
35–54 | 36.8 (25.7 to 48.0) | 40.0 (33.9 to 46.1) | 37.1 (31.3 to 43.0) |
>55 | 17.1 (9.5 to 24.8) | 25.8 (21.1 to 30.6) | 37.3 (31.4 to 43.1) |
Race/ethnicity * | |||
White, non-Hispanic | 44.3 (33.7 to 55.0) | 54.5 (48.1 to 60.9) | 74.4 (68.6 to 80.2) |
Other | 55.7 (45.0 to 66.3) | 45.5 (39.1 to 51.9) | 25.6 (19.8 to 31.4) |
Education | |||
High school or less | 48.1 (36.9 to 59.2) | 53.9 (47.7 to 60.1) | 60.9 (55.3 to 66.5) |
Some college | 29.8 (19.8 to 39.9) | 29.4 (24.0 to 34.8) | 27.8 (22.7 to 32.9) |
College degree+ | 22.1 (14.4 to 29.8) | 16.7 (12.4 to 21.0) | 11.3 (8.4 to 14.2) |
Household income | |||
<$30 000 | 40.0 (28.9 to 51.2) | 36.1 (29.9 to 42.2) | 36.3 (30.3 to 42.3) |
$30 000–$60 000 | 21.3 (12.8 to 29.8) | 29.1 (23.2 to 34.9) | 26.4 (21.5 to 31.3) |
$>60 000 | 38.7 (28.1 to 49.3) | 34.9 (29.1 to 40.6) | 37.3 (31.5 to 43.1) |
US region* | |||
Northeast | 23.2 (13.6 to 32.7) | 13.4 (10.0 to 16.9) | 13.9 (10.1 to 17.8) |
Midwest | 15.4 (8.9 to 21.8) | 23.1 (18.3 to 27.9) | 30.4 (25.1 to 35.8) |
South | 36.9 (25.8 to 47.9) | 39.6 (33.3 to 46.0) | 34.7 (28.8 to 40.6) |
West | 24.6 (15.3 to 33.8) | 23.9 (18.3 to 29.4) | 21.0 (16.0 to 25.9) |
Perceived health status* | |||
Excellent/very good | 49.8 (38.7 to 60.9) | 41.9 (35.7 to 48.1) | 24.1 (19.4 to 28.9) |
Good | 33.1 (22.5 to 43.8) | 40.8 (34.7 to 47.0) | 44.5 (38.6 to 50.5) |
Fair/poor | 17.0 (8.2 to 25.9) | 17.2 (12.5 to 22.0) | 31.3 (25.4 to 37.2) |
Presence of children under 18 years in the household* | |||
Yes | 39.2 (28.7 to 49.7) | 36.0 (30.1 to 42.0) | 27.0 (21.7 to 32.3) |
No | 60.8 (50.3 to 71.3) | 64.0 (58.0 to 69.9) | 73.0 (67.7 to 78.3) |
*P<0.05.