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

	Separate models		Minimally adjusteda			Fully adjustedb
			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

Abbreviation: CI, confidence interval.

^aAdjusted for gender, age at the time of 15-year clinic visit, height (plus energy intake at 38 months for dietary patterns).

^bAdditionally adjusted for parental factors, social factors, birthweight and gestation.