Table 2 CMD frequency at baseline, according to population characteristics, by sex
From: Gender differences in the impact of sleep duration on common mental disorders in school students
Variables | CMD | |||
|---|---|---|---|---|
Boys (%) n = 486 | Girls (%) n = 348 | |||
Age (years) | p chi2 | p chi2 | ||
9 to 11 | 37.4 | 0.661 | 26.4 | 0.007 |
12 to 17 | 36.3 | 33.7 | ||
Economic status | p trend | p trend | ||
1° quintile | 27.0 | < 0.001 | 28.5 | 0.017 |
2° quintile | 32.3 | 24.7 | ||
3° quintile | 34.1 | 26.6 | ||
4° quintile | 35.5 | 28.1 | ||
5° quintile | 50.6 | 40.3 | ||
Weight status | p trend | p trend | ||
Thinness | 32.8 | 0.009 | 36.4 | 0.052 |
Adequate | 39.5 | 30.2 | ||
Overweight | 32.3 | 27.8 | ||
Obesity | 32.6 | 23.0 | ||
Physical activity (min/week) | p trend | p trend | ||
Inactive | 21.3 | < 0.001 | 25.8 | < 0.001 |
insufficiently active (1–149) | 30.9 | 25.1 | ||
insufficiently active (150–299) | 43.0 | 34.6 | ||
Active (> = 300) | 62.7 | 42.9 | ||
Sleep duration (h/day) | p chi2* | p chi2* | ||
Short | 39.6 | 0.012 | 28.1 | 0.479 |
Adequate | 31.6 | 26.0 | ||
Long | 34.4 | 0.586 | 27.6 | 0.761 |