Do negative childhood conditions increase the risk of somatic symptoms in adolescence? – a prospective cohort study

Table 2 Childhood conditions related to somatic symptoms at age 15, RR and RD with 95%-CI, N = 2963

	Crude			Partly adjusted^b			Fully adjusted^c
	Prevalence^a (%)	RR (95%-CI)	RD (95%-CI) (%)	Prevalence^a (%)	RR (95%-CI)	RD (95%-CI) (%)	Prevalence^a (%)	RR (95%-CI)	RD (95%-CI) (%)
Somatic symptoms mother age 15, n = 1760
few	25	ref	ref	24	ref	ref	16	ref	ref
many	33	1.28 (1.10;1.49)	7 (3;12)	31	1.29 (1.11;1.51)	7 (3;12)	23	1.25 (1.03;1.52)	8 (2;13)
Somatic symptoms father age 15, n = 1502
few	27	ref	ref	24	ref	ref	16	ref	ref
many	30	1.14 (0.95;1.35)	4 (−1;9)	27	1.12 (0.94;1.33)	3 (−2;8)	17	1.02 (0.83;1.26)	1 (−5;7)
Family functioning age 15, n = 2880
good	25	ref	ref	23	ref	ref	16	ref	ref
poor	42	1.69 (1.50;1.89)	17 (13;21)	41	1.69 (1.50;1.90)	17 (13;21)	34	1.75 (1.43;2.14)	18 (11;25)
Number of negative life events up to age 15, n = 2959
0–1	27	ref	ref	26	ref	ref	16	ref	ref
2 or more	40	1.50 (1.31;1.72)	13 (8;19)	40	1.51 (1.31;1.75)	14 (8;19)	40	1.73 (1.31;2.28)	24 (11;37)

^aPrevalence of somatic symptoms at age 15 in relation to the different exposure categories
^bPartly adjusted: adjusted for parental household income and highest education in the family
^cFully adjusted: adjusted for parental household income, highest education in the family, and all other childhood conditions, n = 1073

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