Table 6.

Linear Regression Models Presenting the Association of AFB With Office‐Based FRSs, Progressively Adjusting for Childhood and Adulthood Socioeconomic Risk Covariates

Variable	Age and Site Only			Age, Site, and Childhood Adversities			Age, Site, Childhood Adversities, Education, and Income
	(N=1039)			(N=1038)			(N=1022)
Categories of AFB, y
<20	Ref			Ref			Ref
20–24	−2.34	−4.65	−0.03	−2.21	−4.53	0.11	−1.89	−4.26	0.48
25–29	−5.41	−8.14	−2.68	−5.14	−7.88	−2.40	−4.57	−7.42	−1.73
≥30	−3.48	−6.67	−0.29	−3.30	−6.49	−0.10	−2.44	−5.75	0.88
Nulliparous	−7.14	−10.31	−3.95	−6.83	−10.02	−3.64	−6.31	−9.60	−3.02
Age (centered), y	1.22	0.92	1.52	1.22	0.93	1.52	1.22	0.92	1.52
Research site
Kingston (Ontario, Canada) (ref)	Ref			Ref			Ref
Saint‐Hyacinthe (Quebec, Canada)	1.99	−0.62	4.61	1.93	−0.69	4.56	2.63	−0.18	5.43
Tirana (Albania)	11.87	9.23	14.51	11.89	9.21	14.58	12.34	9.56	15.12
Manizales (Colombia)	−0.01	−2.69	2.68	0.05	−2.64	2.74	0.53	−2.36	3.42
Natal (Brazil)	9.92	7.28	12.56	9.58	6.89	12.28	10.26	7.44	13.08
Childhood economic adversity (no=ref)				0.90	−0.89	−2.68	0.61	−1.21	2.43
Childhood social adversity (no=ref)				1.36	−0.62	3.34	1.35	−0.66	3.35
Education site specifica
Low (ref)							Ref
Medium							−1.38	−3.39	0.64
High							−3.11	−5.38	−0.83
Income
Poor (ref)							Ref
Middle							−1.18	−3.28	0.92
High							1.16	−1.51	3.83
Constant	22.37			21.54			22.45

Data are given as B (95% confidence interval). AFB indicates age at first childbirth; FRS, Framingham Risk Score; and Ref, reference.

^aSite specific, for women only (no laboratory included).