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Table 1 Explanatory variables and their definitions

From: How has child growth around adiposity rebound altered in Scotland since 1990 and what are the risk factors for weight gain using the Growing Up in Scotland birth cohort 1?

Variable

Sweep (Age of child) when data was collected

Definition

Sample

Gender

Sweep 1 (10 months)

Male

49.6 %

  

Female

50.4 %

Number of children in family

Sweep 7 (7–8 years)

One

14.6 %

 

Two

54.0 %

  

Three

24.2 %

  

Four or more

7.2 %

Ethnicity

Sweep 1 (10 months)

White

97.6 %

  

Non-white

2.4 %

Scottish Index of Multiple Deprivation (SIMD)

Sweep 7 (7–8 years)

Q1 (Least deprived)

25.2 %

 

Q2

24.4 %

 

Q3

21.6 %

 

Q4

15.7 %

 

Q5 (Most deprived)

13.1 %

Maternal weight status

Sweep 6 (5–6 years)

Healthy/underweight (BMI <25 kg/m2)

44.9 %

 

Overweight (≥25 kg/m2 to >30 kg/m2)

31.5 %

 

Obese (≥30 kg/m2)

23.6 %

Mother smoked in pregnancy

Sweep 1 (10 months)

No

81.6 %

 

Yes

18.4 %

If child ever breastfed

Sweep 1 (10 months)

Yes

69.8 %

 

No

30.2 %

Birth weight

Sweep 1 (10 months)

Normal (>2.5 kg)

94.2 %

  

Low (<2.5 kg)

5.8 %

Total sample size

  

2,278