Table 1 Characteristics of sample at age 11 years
N = 13,170 | ||
|---|---|---|
Sex (%) | Girls | 49.5 |
Ethnic group (%) | White | 82.9 |
South Asian | 9.6 | |
African | 3.2 | |
Missing | 4.3 | |
Equivalised income (%) | Below 60 % median | 20.7 |
Maternal educational qualifications (%) | No formal education | 15.1 |
GCSE (taken at age 16) | 41.4 | |
A-level or Diploma (taken at age 18) | 24.5 | |
University | 19.0 | |
Country (%) | England | 64.8 |
Wales | 14.1 | |
Scotland | 11.2 | |
Northern Ireland | 9.9 | |
Fruit intake (%) | ≥3 portions per day | 41.7 |
Eats breakfast (%) | Eats breakfast 7 days a week | 86.6 |
Diet at age 7 years (%) | On controlled diet to lose weight | 5.1 |
Snacking between meals (crisps, sweets and chocolate, cakes and biscuits) at age 7 years (%) | None | 19.6 |
One | 38.3 | |
Two | 30.2 | |
Three | 11.9 | |
Sporting physical activity (%) | Less than once per week | 25.9 |
1-2 days per week | 42.0 | |
≥3 days per week | 32.1 | |
Daily TV watching (%) | ≥2 h | 39.1 |
Mode of travel to school (%) | Walk, cycle or use bus | 58.7 |
SSB consumption (%) | <once a week/never | 39.3 |
1 - 6 days a week | 29.5 | |
At least once a day | 31.2 | |
ASB consumption (%) | <once a week/never | 36.4 |
1 - 6 days a week | 24.2 | |
At least once a day | 39.4 | |
BMI (SD) | Mean | 19.1 (3.4) |
Weight status by BMI (%) | Normal weight | 70.1 |
Overweight | 11.0 | |
Obese | 18.9 | |
% Body fat (SD) | Boys | 20.1 (7.2) |
Girls | 24.6 (7.1) | |
Change in BMI age 7 to 11 years | Mean | +2.6 (2.1) |
Change in % body fat age 7 to 11 years | Mean | +1.3 (4.9) |