Area | Variables | Coding of the variables |
---|---|---|
Dependent variables (main analysis) | ||
Obesity | 1 if the child is affected by obesity, 0 otherwise | |
Obesity / overweight | 1 if the child is affected by obesity or overweight, 0 otherwise | |
BMI | Continuous variable between 12 and 35 kg/m2 | |
Dependent variables (auxiliary analysis) | ||
Low fruit consumption | 1 if the child usually doesn’t eat fruit every day of the week, 0 otherwise | |
Consumtion of sweets | 1 if the child usually eats sweets or chocolate every day, 0 otherwise | |
Screens viewing | 1 if the child usually watches TV, uses the computer/tablet or plays with the console for 4 h or more per day, 0 otherwise | |
Sedentarism | 1 if the child didn’t feel physically active at least twice per week in the last 7 days, 0 otherwise | |
Independent variables | ||
Variables of interest | ||
Parents’ working status | Both parents have a job (dual-earner households) Only the father has a job Only the mother has a job Reference category: Neither of the parents has a job | |
Control variables | ||
Individual | Sex | 1 if boy, 0 if girl |
Age | Continuous variable between 9 and 21 years old | |
Socioeconomic | Parents’ educational level | Both parents have university education (completed or not) Both parents have a primary level of education or no studies Reference category: the remaining situations (both parents have secondary studies or each of them has a different educational level) |
Family material wealth (FAS score) | 1 if the child belongs to a family with medium or low wealth (less than 6 points at the FAS scale), 0 otherwise | |
Parents’ origin | 1 if both parents were born in Spain, 0 otherwise | |
Siblings | Number of siblings | |
Region | 18 dummies for each Spanish region (17 Autonomous Communities and 1 for Ceuta and Melilla, the two Spanish Autonomous Cities) | |
Variables used to anchor the multi-level analysis | ||
Contextual variable | School attended by the child | Dummies for each school: 133 for 2010 and 399 for 2014 |