TABLE 1—
Baseline Characteristics for Randomized Trial of a Mobile Messaging Intervention for Waterpipe Tobacco Cessation in Young Adults: United States, 2018‒2020
| Overall (n = 349), Mean ±SD or % (No.) |
Control (n = 119), Mean ±SD or % (No.) |
Untailored Intervention (n = 117), Mean ±SD or % (No.) |
Tailored Intervention (n = 113), Mean ±SD or % (No.) |
|
| Age | 24.0 ±3.4 | 23.9 ±3.4 | 23.7 ±3.5 | 24.6 ±3.5 |
| Gender | ||||
| Female | 53.6 (187) | 59.7 (71) | 48.7 (57) | 52.2 (59) |
| Male | 46.4 (162) | 40.3 (48) | 51.3 (60) | 47.8 (54) |
| Race | ||||
| White | 42.1 (147) | 42.9 (51) | 36.8 (43) | 46.9 (53) |
| Non-White | 57.9 (202) | 57.1 (68) | 63.2 (74) | 53.1 (60) |
| Hispanic ethnicity | ||||
| Yes | 11.5 (40) | 12.6 (15) | 12.0 (14) | 9.8 (11) |
| No | 88.3 (308) | 87.4 (104) | 88.0 (103) | 90.2 (101) |
| Education | ||||
| < college | 16.0 (56) | 13.4 (16) | 20.5 (24) | 14.2 (16) |
| Some college or higher | 84.0 (293) | 86.6 (103) | 79.5 (93) | 85.8 (97) |
| Employment | ||||
| Not full-time employed | 58.1 (203) | 56.3 (67) | 63.2 (74) | 46.0 (52) |
| Full-time employed | 44.7 (156) | 43.7 (52) | 36.8 (43) | 53.9 (61) |
| Annual household income, $ | ||||
| ≤ 50 000 | 65.3 (228) | 62.2 (74) | 63.2 (74) | 70.8 (80) |
| > 50 000 | 34.4 (120) | 37.8 (45) | 35.9 (42) | 29.2 (33) |
| Waterpipe smoking frequency | ||||
| Infrequent (i.e., monthly) | 34.7 (121) | 33.6 (40) | 35.0 (41) | 35.4 (40) |
| Frequent (i.e., weekly or daily) | 65.3 (228) | 66.4 (79) | 65.0 (76) | 64.6 (73) |
| Past-30-d waterpipe smoking, days | 11.3 ±9.1 | 11.1 ±9.2 | 10.6 ±8.7 | 12.2 ±9.3 |
| Waterpipe tobacco dependence | 6.7 ±5.3 | 7.0 ±5.6 | 6.4 ±4.9 | 6.7 ±5.4 |
| Motivation to quit waterpipe tobacco | 2.7 ±1.6 | 2.9 ±1.6 | 2.5 ±1.6 | 2.6 ±1.6 |
| Current cigarette smoker | 29.2 (102) | 37.8 (45) | 24.8 (29) | 24.8 (28) |
| Any other tobacco use, past 30 d | 67.9 (237) | 67.2 (80) | 69.2 (81) | 67.2 (80) |
| Days drinking alcohol, past 30 d | 7.5 ±7.0 | 8.4 ±7.6 | 6.7 ±6.1 | 7.4 ±7.2 |
Note. For some variables (e.g., Hispanic ethnicity), numbers for categories do not sum to the total sample size because of sporadic missing data (1 or 2 cases in each instance).