| Variables | Depression | |||||
| Yes | No | p (Khi-2) | ||||
| n | % | n | % | |||
| Age range (years) | 6 - 9 | - | - | 57 | 30.0 | <0.001* |
| 10 - 12 | - | - | 51 | 26.8 | ||
| 13 - 15 | 2 | 18.2 | 45 | 23.7 | ||
| 16 - 19 | 9 | 81.8 | 37 | 19.5 | ||
| Duration of illness (years) | 0 - 5 | 1 | 09.1 | 66 | 34.7 | 0.006* |
| 6 - 10 | 2 | 18.2 | 74 | 39.0 | ||
| 11 - 15 | 5 | 45.5 | 38 | 20.0 | ||
| 16 - 18 | 3 | 27.3 | 12 | 6.3 | ||
| Number of hospitalizations | 0 | 1 | 09.1 | 10 | 5.3 | 0.040* |
| 1 - 5 | 4 | 36.4 | 136 | 71.6 | ||
| 6 - 10 | 5 | 45.5 | 34 | 17.9 | ||
| >10 | 1 | 09.1 | 10 | 5.3 | ||
| Number of complications | 0 | 1 | 09.1 | 62 | 32.6 | 0.039* |
| 1 | 6 | 54.5 | 65 | 34.2 | ||
| 2 | 1 | 09.1 | 48 | 25.3 | ||
| >3 | 3 | 27.3 | 15 | 7.9 | ||
| Type of complications | Non | 1 | 09.1 | 62 | 32.6 | 0.043* |
| Acute | 6 | 54.5 | 104 | 54.7 | ||
| Chronic | - | - | 7 | 3.7 | ||
| Acute and chronic | 4 | 36.4 | 17 | 8.9 | ||
| Taking analgesics | None | 1 | 09.1 | 13 | 6.8 | <0.001* |
| Tier 1 | 2 | 18.2 | 153 | 80.5 | ||
| Tier 2 | 2 | 18.2 | 15 | 7.9 | ||
| Tier 3 | 6 | 54.5 | 9 | 4.7 | ||