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Table 1 Variables included in the main and auxiliary analysis

From: Association between maternal and paternal employment and their children’s weight status and unhealthy behaviours: does it matter who the working parent is?

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

  1. At the supplementary file we show how questions were phrased at the survey