Table 2.

Univariate regressions of offspring BMI, total fat, truncal fat and total lean mass at mean age 9.9 years on potential confounders

		BMI (SD score)			Total fat (SD score)			Truncal fat (SD score)			Total lean (SD score)
		β	95% CI	p	β	95% CI	p	β	95% CI	p	β	95% CI	p
Age (years)		0.29	0.21, 0.37	<0.001	0.32	0.24, 0.41	<0.001	0.31	0.23, 0.39	<0.001	0.63	0.55, 0.71	<0.001
Sex (vs male)	Female	0.12	0.07, 0.18	<0.001	0.56	0.51, 0.61	<0.001	0.57	0.52, 0.62	<0.001	−0.62	−0.67, −0.57	<0.001
Height (cm)		0.050	0.046, 0.054	<0.001	0.069	0.066, 0.073	<0.001	0.07	0.06, 0.07	<0.001	0.13	0.12, 0.13	<0.001
Maternal age (years)		−0.01	−0.01, −0.003	0.002	−0.01	−0.02, −0.004	0.001	−0.01	−0.02, −0.005	<0.001	0.01	−0.0002, 0.01	0.06
Parity (vs primap)	Multip	0.01	−0.04, 0.06	0.7	−0.06	−0.11, −0.005	0.03	−0.04	−0.10, 0.01	0.09	−0.02	−0.07, 0.04	0.6
Maternal height (cm)		0.0001	−0.004, 0.004	0.96	0.01	−0.01, 0.01	<0.001	0.009	0.005, 0.013	<0.001	0.04	0.03, 0.04	<0.001
Maternal BMI (kg/m2)		0.08	0.08, 0.09	<0.001	0.07	0.06, 0.08	<0.001	0.07	0.06, 0.08	<0.001	0.04	0.04, 0.05	<0.001
Partner height (cm)		−0.002	−0.01, 0.003	0.4	0.010	0.005, 0.014	<0.001	0.01	0.004, 0.01	<0.001	0.031	0.026, 0.035	<0.001
Partner BMI (kg/m2)		0.08	0.07, 0.09	<0.001	0.07	0.06, 0.08	<0.001	0.07	0.06, 0.08	<0.001	0.06	0.05, 0.06	<0.001
Social class (vs V)	IV	0.19	0.03, 0.35		0.19	0.03, 0.35		0.18	0.02, 0.34		0.22	0.06, 0.38
	III Manual	0.12	−0.03, 0.27		0.11	−0.04, 0.26		0.09	−0.06, 0.24		0.18	0.02, 0.33
	III Non manual	0.07	−0.09, 0.22		0.07	−0.08, 0.22		0.04	−0.12, 0.19		0.22	0.07, 0.37
	II	0.03	−0.12, 0.18		0.03	−0.12, 0.18		−0.004	−0.16, 0.15		0.21	0.06, 0.36
	I	−0.09	−0.28, 0.11	<0.001	−0.05	−0.25, 0.15	0.001	−0.08	−0.28, 0.11	<0.001	0.19	−0.003, 0.39	0.1
Maternal education (vs CSE/none)	Vocational	0.10	−0.11, 0.13		−0.02	−0.13, 0.10		−0.02	−0.14, 0.10		0.07	−0.04, 0.19
	O levels	−0.09	−0.18, −0.01		−0.06	−0.15, 0.02		−0.08	−0.16, 0.01		0.01	−0.08, 0.09
	A levels	−0.12	−0.21, −0.04		−0.07	−0.16, 0.02		−0.09	−0.18, −0.0004		0.05	−0.04, 0.14
	Degree	−0.27	−0.36, −0.17	<0.001	−0.21	−0.31, −0.11	<0.001	−0.24	−0.34, −0.15	<0.001	0.08	−0.02, 0.18	0.1
Breastfed (vs exclusive )	Partial	0.16	0.10, 0.22		0.11	0.05, 0.17		0.11	0.05, 0.17		0.07	0.01, 0.13
	Never	0.23	0.15, 0.31	<0.001	0.17	0.09, 0.25	<0.001	0.18	0.10, 0.26	<0.001	−0.01	−0.09, 0.07	0.6
Age introduced to solids (vs ≤2m)	3–4 months	−0.13	−0.20, −0.05		−0.08	−0.16, −0.001		−0.08	−0.16, −0.003		−0.20	−0.28, −0.13
	≥5 months	−0.25	−0.40, −0.10	<0.001	−0.15	−0.31, −0.001	0.02	−0.16	−0.31, −0.01	0.02	−0.32	−0.47, −0.17	<0.001
Birthweight (kg)		0.26	0.21, 0.31	<0.001	0.19	0.14, 0.24	<0.001	0.15	0.09, 0.20	<0.001	0.52	0.48, 0.58	<0.001
Gestation (weeks)		0.02	0.001, 0.03	0.04	0.01	−0.0003, 0.03	0.06	0.01	−0.003, 0.03	0.1	0.01	−0.01, 0.02	0.2

p-values for trend given if more than two categories