Table 3.
Change in sleep conditons by groups according to alcohol intake at bedtime
| Continued no alcohol intake (n= 23) | Stopped intake (n= 8) | Continued intake (n= 7) | Pfor | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | Baseline | 1 month later | Pa | n | Baseline | 1 month later | Pa | n | Baseline | 1 month later | Pa | interactionb | |||
| PSQI (score, mean± SD) | 20 | 5.1 ± 2.9 | 4.9 ± 3.4 | 0.65 | 7 | 6.3 ± 0.8 | 6.0 ± 1.8 | 0.63 | 6 | 4.3 ± 1.5 | 4.2 ± 2.1 | 0.77 | 0.99 | ||
| ESS (score, mean± SD) | 23 | 8.3 ± 3.2 | 7.2 ± 3.7 | 0.14 | 7 | 9.4 ± 3.3 | 6.9 ± 4.7 | 0.18 | 7 | 7.0 ± 3.4 | 5.9 ± 3.8 | 0.20 | 0.63 | ||
| ISI (score, mean± SD) | 22 | 6.0 ± 4.2 | 5.6 ± 4.6 | 0.47 | 8 | 8.9 ± 2.7 | 6.8 ± 3.8 | 0.33 | 7 | 5.6 ± 3.5 | 4.7 ± 4.4 | 0.47 | 0.51 | ||
| Sleep duration (min, mean± SD) | 23 | 383.0 ± 56.4 | 372.6 ± 64.8 | 0.09 | 8 | 402.5 ± 21.9 | 380.0 ± 50.1 | 0.08 | 7 | 402.9 ± 34.0 | 405.0 ± 33.5 | 0.77 | 0.24 | ||
a: Student paired t-test; b: mixed model analysis of variance; SD: standard deviation.