Table 2. Results from linear regression modelling assessing associations between SEP and multimorbidity (unweighted sum of the number of health conditions) in 3,723 participants from the 1946 MRC NSHD.

	Change in multimorbidity scorea
	Age 36		Age 43		Age 53		Age 63		Age 69
Covariates	β	95% CI	β	95% CI	β	95% CI	β	95% CI	β	95% CI
Childhood social class
Professional/intermediate	Ref		Ref		Ref		Ref		Ref
Skilled nonmanual	0.03	−0.07,0.12	0.08	−0.05,0.21	−0.01	−0.18,0.17	0.11	−0.13,0.35	0.18	−0.13,0.50
Skilled manual	0.05	−0.04,0.13	0.05	−0.07,0.16	0.09	−0.07,0.24	0.32	0.12,0.52	0.39	0.10,0.68
Partly skilled/unskilled	0.03	−0.06,0.12	0.07	−0.06,0.20	0.04	−0.14,0.22	0.25	0.00,0.50	0.39	0.06,0.72
Adulthood social class
Professional/intermediate	Ref		Ref		Ref		Ref		Ref
Skilled nonmanual	0.04	−0.04,0.13	0.03	−0.09,0.15	0.12	−0.04,0.27	0.05	−0.15,0.25	0.11	−0.17,0.39
Skilled manual	0.05	−0.04,0.15	0.03	−0.10,0.16	0.13	−0.05,0.31	0.24	0.02,0.46	0.33	0.03,0.63
Partly skilled/unskilled	0.18	0.08,0.28	0.17	0.03,0.32	0.43	0.24,0.62	0.54	0.28,0.80	0.83	0.45,1.20
Educational attainment
University degree	Ref				Ref		Ref		Ref
GCE/school leaving certificate	−0.01	−0.11,0.09	−0.05	−0.18,0.09	0.02	−0.18,0.22	0.14	−0.10,0.38	0.35	0.03,0.67
None	0.06	−0.07,0.18	0.13	−0.04,0.30	0.28	0.04,0.53	0.62	0.32,0.91	1.08	0.67,1.49
Sex
Men	Ref		Ref		Ref		Ref		Ref
Women	0.09	0.02,0.15	0.15	0.06,0.24	0.06	−0.07,0.18	−0.11	−0.27,0.06	−0.24	−0.46,−0.03

^aAll models adjusted for sex; coefficients in bold indicate 95% confidence intervals that do not include zero.

GCE, General Certificate of Education; NSHD, National Survey of Health and Development; SEP, socioeconomic position.