Table 1 Characteristics of the sample at the baseline, by sex
From: Gender differences in the impact of sleep duration on common mental disorders in school students
Variables | Total n (%) | Boys n (%) | Girls n (%) | p-value* |
|---|---|---|---|---|
Age (years | ||||
9 to 11 | 1421 (56.2) | 679 (51.1) | 742 (61.8) | < 0.001 |
12 to 17 | 1.107 (43.8) | 649 (48.9) | 458 (38.2) | |
Weight status | ||||
Thinness | 80 (3.3) | 58 (4.6) | 22 (1.9) | < 0.001 |
Adequate | 1.588 (65.0) | 841 (65.9) | 747 (64.0) | |
Overweight | 449 (18.3) | 202 (15.8) | 247 (21.1) | |
Obesity | 327 (13.4) | 175 (13.7) | 152 (13.0) | |
Physical activity (min/week) | ||||
Inactive | 562 (22.4) | 253 (19.2) | 309 (25.9) | < 0.001 |
insufficiently active (1–149) | 1.101 (43.9) | 563 (42.8) | 538 (45.1) | |
insufficiently active (150–299) | 469 (18.7) | 284 (21.6) | 185 (15.5) | |
Active (> = 300) | 378 (15.0) | 217 (16.5) | 161 (13.5) | |
Sleep duration (h/day) | ||||
Short | 712 (34.3) | 348 (32.9) | 364 (35.8) | 0.001 |
Adequate | 1.190 (57.4) | 613 (58.0) | 577 (56.7) | |
Long | 172 (8.3) | 96 (9.1) | 76 (7.5) | |
CMD frequency | ||||
Yes | 834 (33.2) | 486 (36.9) | 348 (29.2) | < 0.001 |
No | 1.678 (66.8) | 832 (63.1) | 846 (70.8) | |
CMD score | mean (SD) | mean (SD) | mean (SD) | p-value** |
0–36 | 11.7 (8.1) | 12.5 (8.3) | 10.9 (7.8) | < 0.001 |