Table 2 Demographic and clinical characteristics in children with and without chronic illness at wave 2.
From: Chronicity of sleep problems in children with chronic illness: a longitudinal population-based study
Characteristics | No chronic illness | Chronic illness | P-value |
|---|---|---|---|
N | 3730 | 295 | |
Girls, % (n) | 53.3 (1988) | 42.7 (126) | < 0.001 |
Wave 1 | |||
Age* | 8.27 (8.24-8.30) | 8.23 (8.13-8.33) | .47 |
Emotional and behavioural problems (SDQ Parents-reported)* | |||
Emotion | 1.16 (1.11-1.21) | 1.89 (1.65-2.13) | <.001 |
Conduct | 0.82 (0.78-0.86) | 1.16 (0.99-1.33) | <.001 |
Hyperactivity | 2.40(2.33-2.46) | 3.27 (2.98-3.57) | <.001 |
Peer | 1.16 (1.11-1.21) | 1.89 (1.65-2.13) | <.001 |
Total | 5.16 (5.02-5.30) | 7.77 (7.03-8.50) | <.001 |
Wave 2 | |||
Body-mass index, % (n) | |||
Boys | <.001 | ||
Underweight | 4.5% (82) | 3.2% (6) | |
Healthy weight | 81.0% (1486) | 73.8% (138) | |
Overweight | 9.5% (175) | 10.7% (20) | |
Obese | 5.0% (91) | 12.3% (23) | |
Girls | .008 | ||
Underweight | 6.2% (133) | 4.2% (6) | |
Healthy weight | 80.6% (1730) | 72.7% (104) | |
Overweight | 9.1% (196) | 14.7% (21) | |
Obese | 4.1% (88) | 8.4% (12) | |
Economy, n (%) | .013 | ||
Good | 68.4 (3124) | 64.2 (239) | |
Medium | 29.0 (1326) | 30.6 (114) | |
Poor | 2.6 (120) | 5.1 (19) | |
Education mother, n (%) | .31 | ||
Primary | 8.3 (368) | 10.7 (37) | |
Secondary | 39.5 (1746) | 38.8 (134) | |
College/University | 52.1 (2303) | 50.4 (174) | |
Education father, n (%) | .74 | ||
Primary | 8.2 (374) | 8.1 (30) | |
Secondary | 37.7 (1712) | 39.7 (147) | |
College/University | 54.0 (2452) | 52.2 (193) | |
Emotional and behavioural problems (SDQ - Child-reported)* | |||
Emotion | 1.61 (1.56-1.66) | 2.16 (1.95-2.38) | <.001 |
Conduct | 1.05 (1.02-1.09) | 1.22 (1.08-1.36) | .028 |
Hyperactivity | 2.52 (2.46-2.57) | 3.08 (2.86-3.31) | <.001 |
Peer | 1.09 (1.05-1.14) | 1.70 (1.50-1.90) | <.001 |
Total | 6.27 (6.14-6.41) | 8.17 (7.59-8.76) | <.001 |