Table 1.
Pittsburgh Sleep Quality Index (PSQI) mean values in Mexican Americans (n = 294)
| 1 | 2 | 3 | 4 | 5 | |
| Variable | Usual bedtime | Time to fall asleep (in minutes) | Usual wake up time | Hours spent asleep | PSQI Global Score |
| Gender | |||||
| Male | 11:21 p.m.* | 21.70 | 7:19 a.m. | 7.17 | 4.35 |
| Female | 10:58 p.m. | 22.01 | 7:19 a.m. | 7.38 | 4.66 |
| Alcohol-use disorder | |||||
| No | 10:58 p.m.* | 19.38* | 7:11 a.m. | 7.35 | 4.05* |
| Yes | 11:17 p.m. | 24.64 | 7:26 a.m. | 7.23 | 5.07 |
| MDD | |||||
| No | 11:04 p.m. | 21.02 | 7:25 a.m. | 7.50* | 4.05* |
| Yes | 11:11 p.m. | 23.33 | 7:08 a.m. | 6.93 | 5.36 |
| Any anxiety disorder | |||||
| No | 11:07 p.m. | 21.44 | 7:20 a.m. | 7.32 | 4.33* |
| Yes | 11:07 p.m. | 23.68 | 7:13 a.m. | 7.21 | 5.33 |
| Acculturation stress | |||||
| No | 11:01 p.m. | 19.07* | 7:07 a.m. | 7.29 | 4.05* |
| Yes | 11:11 p.m. | 24.73 | 7:25 a.m. | 7.28 | 5.02 |
| Other drug dependence | |||||
| No | 11:09 p.m. | 18.86* | 7:27 a.m. | 7.26 | 4.30* |
| Yes | 11:18 p.m. | 29.80 | 7:39 a.m. | 7.38 | 5.17 |
Note: MDD = major depressive disorder.
*
p < .05