Input variables | Categories/units |
---|---|
Diet | |
27 food groups from FFQ: Dairy yogurt and cottage cheese, dairy puddings/ice cream, cheese, rice/pasta/semolina, potatoes, French fries (chips), pizza/pie, legumes, cooked vegetables, raw vegetables, ham/poultry, red meat, processed meat, high fat fish, low fat fish, eggs, fresh fruit, stewed fruit, fruit juice, soft drinks, diet soft drinks, breakfast cereals, bread, biscuits (cookies), chocolate/candy, potato chips (crisps), milk (only at age 5) | Never, < 1 time/month, 1–3 times/month, 1–3 times/week, 4–6 times/week, 1 time/day, several times/day |
Milk intake (only at age 2) | Never, 1 bottle/day, 1–2 bottles/day, 2–3 bottles/day, > 3 bottles/day |
Sweetened beverages usually consumed at mealtimes | yes/no |
Breakfast daily intake | yes/no (age 2) or never, sometimes, often, always (age 5) |
Ready-prepared baby foods consumersa (only at age 2) | yes/no |
Snacking outside meals (only at age 5) | ≥ 2 times/day, 1 time/day, 2–3 day/week, less often, never |
Television exposure | |
TV and DVD watching timeb | 0 min/day, > 0 min/day- ≤ 30 min/day, > 30 min/day- ≤ 1 h/day, > 1 h/day (age 2) or continuous variable in min/day (age 5) |
Having TV on during meals | never, sometimes, often, always |
Physical activity | |
Outdoor play timeb (standardized by seasonc) | Continuous variable in min/day |
Means of transport for walks (only at age 2) | ‘on foot’, ‘in a stroller’, ‘about the same on foot and in a stroller’ |
Regular swimming pool attendance | yes/no (age 2) or never, < 1 time/month, 1 time/month, 2–3 times/month, ≥1 time/month (age 5) |
Frequency of physical activities done with mother/father (only at age 2): Going out to walk with father/mother, Playing ball with father/mother | Never, < 1 time/week, 1–2 times/week, 3–5 times/week, daily |
Walking timeb (only at age 5) | Continuous variable in min/day |
Participation in organized sportive activity (only at age 5) | yes/no |
Sleep | |
Sleep durationd | Continuous variable in hours/day |
Difficulties falling asleep | ‘every evening’, ‘often’, ‘every other night’, ‘sometimes’, ‘never’ |
Regular bedtime (only at age 2) | yes/no |
Regular wake-up time (only at age 2) | yes/no |
Intake of bottle of milk at bedtime (only at age 2) | yes/no |