Sleep duration | N | PCS b | P value | MCS c | P value |
---|---|---|---|---|---|
Total | 0.732 | Â | 0.006* | ||
 < 7 h/day | 58 | 49.16 (7.65) |  | 48.30 (10.42) |  |
 7–< 8 h/day | 274 | 50.35 (7.71) |  | 48.96 (9.29) |  |
 8–< 9 h/day | 463 | 49.86 (8.13) |  | 50.21 (9.33) |  |
 ≥9 h/day | 131 | 50.12 (9.01) |  | 52.20 (9.99) |  |
Male | 0.531 | Â | 0.004* | ||
 < 7 h/day | 27 | 49.95 (7.92) |  | 49.21 (10.15) |  |
 7–< 8 h/day | 87 | 51.68 (8.26) |  | 47.71 (10.20) |  |
 8–< 9 h/day | 146 | 50.16 (8.10) |  | 51.08 (9.73) |  |
 ≥9 h/day | 48 | 50.22 (8.43) |  | 54.16 (11.09) |  |
Female | 0.828 | Â | 0.296 | ||
 < 7 h/day | 31 | 48.48 (7.47) |  | 47.50 (10.75) |  |
 7–< 8 h/day | 187 | 49.73 (7.39) |  | 49.54 (8.80) |  |
 8–< 9 h/day | 317 | 49.73 (8.16) |  | 49.80 (9.13) |  |
 ≥9 h/day | 83 | 50.07 (9.37) |  | 51.06 (9.17) |  |