| Community sample | Clinical sample | P value | ||
---|---|---|---|---|---|
N | % | N | % | ||
Total number | 2301 | Â | 429 | Â | Â |
Sex | Â | Â | Â | Â | 0.001 |
 Male | 1051 | 51.3 | 258 | 60.1 |  |
 Female | 997 | 48.7 | 171 | 39.9 |  |
 Missing | 253 | – | 0 | – |  |
Age (Mean/SD) | 9.7 | 0.4 | 10.4 | 3.8 | < 0.001* |
  < 5 | 0 | 0 | 31 | 7.2 |  |
 5–9 | 1569 | 77.1 | 174 | 40.6 |  |
 10–14 | 467 | 22.9 | 154 | 35.9 |  |
 15–19 | 0 | 0 | 70 | 16.3 |  |
 Missing | 265 |  | 0 |  |  |
Region |  |  |  |  | < 0.001 |
 Ulaanbaatar | 2301 | 100.0 | 344 | 84.5 |  |
 Outside Ulaanbaatar | – |  | 63 | 15.5 |  |
 Missing | 0 |  | 22 | – |  |
Family structure |  |  |  |  | < 0.001 |
 Two-parent | 1644 | 80.3 | 303 | 71.0 |  |
 One-parent | 278 | 13.6 | 104 | 24.4 |  |
 No parent | 126 | 6.2 | 20 | 4.7 |  |
 Missing | 253 | – | 2 | – |  |
Maternal education |  |  |  |  | < 0.001 |
 Lower secondary and less | 113 | 6.0 | 49 | 11.8 |  |
 Upper secondary and more | 1786 | 94.0 | 367 | 88.2 |  |
 Missing | 402 | – | 13 | – |  |
Household income | Â | Â | Â | Â | 1.00 |
 700,000 MNT and less** | 708 | 34.9 | 149 | 35.1 |  |
 700,001 MNT and more** | 1319 | 65.1 | 276 | 64.9 |  |
 Missing | 274 | – | 4 | – |  |