Table 1 Characteristics (in percentages, unless indicated otherwise) of the study population
From: Comorbidities of obesity in school children: a cross-sectional study in the PIAMA birth cohort
| Â | Children with complete data on BMI status and health outcomes | Children with complete data on the health outcomes | Imputed data set n = 3960 |
|---|---|---|---|
Gender | n = 1997 | n = 3120 | Â |
boys | 50.3 | 51.3 | 51.7 |
Birth weight (grams) | n = 1991 | n = 3108 | Â |
mean (s.d.) | 3522 (537) | 3524 (535) | 3507 (546) |
Region | n = 1997 | n = 3120 | Â |
North | 31.2 | 31.4 | 31.1 |
Central | 42.1 | 41.7 | 40.0 |
West | 26.7 | 26.9 | 28.9 |
Maternal education | n = 1991 | n = 3106 | Â |
Low | 19.8 | 21.3 | 23.8 |
Intermediate | 42.1 | 42.0 | 41.4 |
High | 38.1 | 36.7 | 34.7 |
Breast feeding | n = 1983 | n = 3090 | Â |
Never | 15.4 | 16.4 | 17.9 |
0-16 weeks | 44.4 | 46.5 | 49.7 |
> 16 weeks | 40.2 | 37.1 | 32.4 |
Smoking in the home at 1 year | n = 1992 25.3 | n = 3110 28.0 | 26.0 |
Smoking in the home at 8 years | n = 1990 15.8 | n = 3109 16.6 | 18.1 |
BMI status at 8 yrs | n = 1997 | n = 1997 | Â |
Thinness | 7.0 | 6.9 | 8.3 |
Normal weight | 78.7 | 78.8 | 75.7 |
Moderate overweight | 11.7 | 11.7 | 12.1 |
Obesity | 2.7 | 2.7 | 3.9 |
RAND score | n = 1997 | n = 3120 | Â |
mean (s.d.) | 27.8 (3.5) | 27.8 (3.5) | 27.6 (3.6) |
GP contact during last 2 months (yes) | n = 1997 | n = 3120 | Â |
| Â | 20.7 | 20.6 | 22.1 |
Not to school due to illness in last 2 months (≥ 1 day) | n = 1997 27.8 | n = 3120 28.1 | 29.4 |
Health-related limitations last 2 months (yes) | n = 1997 16.3 | n = 3120 16.3 | 17.4 |
Flu/serious cold last 12 months (yes) | n = 1997 13.3 | n = 3120 13.4 | 15.2 |
Throat infection last 12 months (yes) | n = 1997 4.9 | n = 3120 4.7 | 5.7 |
Ear infection last 12 months (yes) | n = 1997 9.1 | n = 3120 8.6 | 9.5 |
Bronchitis last 12 months (yes) | n = 1997 2.7 | n = 3120 2.6 | 3.5 |
Antibiotics in last 12 months (yes) | n = 1997 15.8 | n = 3120 15.7 | 17.2 |