Table 4 Associations between feeding in infancy and diet and physical inactivity in early childhood, and body composition at age 15

From: Behavioural early-life exposures and body composition at age 15 years

Separate models

Minimally adjusted a

Fully adjusted b

 

β

(95% CI)

P-value

β

(95% CI)

P-value

Outcome=fat mass at 15 years (s.d. score)

 Breastfeeding (vs exclusive)

Partial

0.06

0.01, 0.11

 

0.03

−0.04, 0.09

 

None

0.16

0.08, 0.24

<0.001

0.06

−0.04, 0.16

0.2

 Age at introduction to solids(vs ⩽2 months)

3 m

−0.04

−0.11, 0.04

 

−0.01

−0.10, 0.08

 

⩾4 m

−0.11

−0.19, −0.03

0.003

−0.03

−0.13, 0.07

0.5

 Dietary pattern at 38 months (factor loading): junk

0.11

0.08, 0.14

<0.001

0.06

0.02, 0.10

0.002

 Dietary pattern at 38 months (factor loading): healthy

−0.04

−0.07, −0.01

0.003

−0.01

−0.03, 0.03

0.9

 Dietary pattern at 38 months (factor loading): traditional

0.03

−0.001, 0.5

0.06

0.003

−0.03, 0.03

0.8

 Dietary pattern at 38 months (factor loading): fussy/snack

−0.04

−0.07, −0.01

0.01

−0.01

−0.04, 0.03

0.8

 Time spent in car at 38 months (vs <4 h per week)

4–5 h per week

0.04

−0.02, 0.10

 

0.01

−0.06, 0.08

 

>5 h per week

0.12

0.04, 0.19

0.003

0.10

0.01, 0.19

0.06

 Time spent watching television at 38 months (vs ⩽4 h per week)

4.1–8 h per week

0.12

0.06, 0.19

 

0.07

−0.003, 0.14

 

>8 h per week

0.22

0.15, 0.29

<0.001

0.16

0.08, 0.24

<0.001

 Frequency playing computer games at 57 months (vs rarely/not at all)

Once a month

0.01

−0.06, 0.08

 

−0.02

−0.10, 0.06

 

Once a week

0.10

0.03, 0.16

0.08

0.06

−0.01, 0.14

 

2–7 times per week

0.03

−0.05, 0.10

 

0.02

−0.06, 0.10

0.2

Outcome=lean mass at 15 years (s.d. score)

 Breastfeeding (vs exclusive)

Partial

0.01

−0.02, 0.04

 

0.01

−0.03, 0.04

 

None

0.02

−0.03, 0.06

0.4

−0.02

−0.08, 0.03

0.6

 Age at introduction to solids(vs ⩽2 months)

3 m

−0.02

−0.06, 0.02

 

−0.0005

−0.05, 0.05

 

⩾4 m

−0.005

−0.05, 0.04

0.9

0.03

−0.02, 0.09

0.1

 Dietary pattern at 38 months (factor loading): junk

−0.001

−0.02, 0.02

0.6

−0.04

−0.06, −0.01

0.002

 Dietary pattern at 38 months (factor loading): healthy

0.01

−0.001, 0.03

0.07

0.03

0.01, 0.05

0.002

 Dietary pattern at 38 months (factor loading): traditional

0.02

0.01, 0.04

0.003

0.01

−0.01, 0.02

0.4

 Dietary pattern at 38 months (factor loading): fussy/snack

−0.004

−0.02, 0.01

0.7

0.01

−0.01, 0.03

0.3

 Time spent in car at 38 months (vs <4 h per week)

4–5 h per week

−0.01

−0.04, 0.03

 

−0.01

−0.06, 0.03

 

>5 h per week

0.02

−0.02, 0.06

0.5

0.02

−0.03, 0.07

0.7

 Time spent watching television at 38 months (vs ⩽4 h per week)

4.1–8 h per week

0.001

−0.03, 0.04

 

−0.02

−0.06, 0.02

 

>8 h per week

−0.003

−0.04, 0.04

0.9

−0.04

−0.08, 0.01

0.1

 Frequency playing computer games at 57 months (vs rarely/not at all)

Once a month

0.002

−0.04, 0.04

 

0.004

−0.04, 0.05

 

Once a week

0.03

−0.002, 0.07

0.02

0.03

−0.01, 0.08

 

2–7 times per week

0.04

−0.001, 0.08

 

0.04

−0.01, 0.09

0.04

  1. Abbreviation: CI, confidence interval.
  2. aAdjusted for gender, age at the time of 15-year clinic visit, height (plus energy intake at 38 months for dietary patterns).
  3. bAdditionally adjusted for parental factors, social factors, birthweight and gestation.