Table 1.
CIAN exit survey sample characteristics (n = 118)
| Intervention group | A | A + SM | CIAN | Totala |
|---|---|---|---|---|
| Sample characteristic | n (% of 29) | n (% of 29) | n (% of 60) | n (% of 118) |
| Gender | ||||
| Female | 14 (48.3) | 16 (55.2) | 30 (50.0) | 60 (50.8) |
| Male | 15 (51.7) | 13 (44.8) | 30 (50.0) | 58 (49.2) |
| Race | ||||
| Asian | 3 (10.3) | 2 (6.9) | 5 (8.3) | 10 (8.5) |
| Black | 1 (3.4) | 1 (3.4) | 7 (11.7) | 9 (7.6) |
| White | 25 (86.2) | 24 (82.8) | 45 (75.0) | 94 (79.7) |
| Multiracial | 0 (0.0) | 0 (0.0) | 1 (1.7) | 1 (0.8) |
| Other | 0 (0.0) | 2 (6.9) | 2 (3.3) | 4 (3.4) |
| Ethnicity | ||||
| Not Hispanic, Latine | 24 (82.8) | 24 (82.8) | 51 (85.0) | 99 (83.9) |
| Hispanic, Latine | 5 (17.2) | 5 (17.2) | 9 (15.0) | 19 (16.1) |
| Student status | ||||
| Student | 21 (72.4) | 23 (79.3) | 43 (71.7) | 87 (73.7) |
| Non-student | 8 (27.6) | 6 (20.7) | 17 (28.3) | 31 (26.3) |
| History of mental health or substance use diagnosis | ||||
| Yes | 23 (79.3) | 25 (86.2) | 48 (80.0) | 96 (81.4) |
| No | 6 (20.7) | 4 (13.8) | 12 (20.0) | 22 (18.6) |
| History of alcohol use diagnosis | ||||
| Yes | 17 (58.6) | 24 (82.8) | 44 (73.3) | 85 (72.0) |
| No | 12 (41.4) | 5 (17.2) | 16 (26.7) | 33 (28.0) |
| AUDIT Total Score (M, SD, range) = 13.02, 4.70, 5-30 score | ||||
| Age (M, SD, range) = 21.14, 1.76, 18–25 years | ||||
Note. “CIAN” stands for Call it a Night, the full digital sleep intervention, including personalized feedback/coaching, active smartphone diary self-monitoring, passive biosensor monitoring, and web-based advice. “A + SM” stands for advice plus self-monitoring control conditions, which also includes passive monitoring. “A” stands for advice control condition, which also includes passive monitoring. “AUDIT” stands for Alcohol Use Disorders Identification Test36. aThere were no significant differences between trial groups on any demographic variable.