Table 4.

Linear Regression Models Presenting the Association of AFB With FRS by Study Site, Adjusting for Childhood Socioeconomic Risk Covariates

Variable	Canadian Sites			Tirana (Albania)			Manizales (Colombia)			Natal (Brazil)
	(N=353)			(N=188)			(N=198)			(N=165)
Categories of AFB, y
<20	Ref			Ref			Ref			Ref
20–24	−1.43	−4.55	1.70	−1.14	−7.23	4.96	−0.82	−4.35	2.71	−10.42	−15.93	−4.91
25–29	−2.91	−6.08	0.26	−8.69	−16.02	−1.37	−0.97	−6.56	4.61	−11.47	−19.88	−3.06
≥30	−3.71	−7.31	−0.11	2.58	−7.39	12.55	−1.37	−7.12	4.37	−8.02	−15.65	−0.40
Nulliparous	−3.47	−7.00	0.06	−9.83	−19.25	−0.41	−2.33	−8.09	3.42	−16.33	−24.51	−8.16
Age (centered), y	0.59	0.26	0.92	0.90	0.21	1.58	0.72	0.21	1.22	2.15	1.29	3.00
Research site (Kingston [Ontario, Canada]=ref)a	0.97	−0.75	2.70
Childhood economic adversity (no=ref)	0.05	−1.81	1.91	−1.16	−5.34	3.02	0.20	−3.10	3.49	1.11	−3.79	6.01
Childhood social adversity (no=ref)	1.76	−0.16	3.69	−0.05	−6.12	6.03	−0.58	−4.36	3.20	−2.32	−7.12	2.48
Constant	15.40			30.95			18.61			30.88

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

^aOnly for Canadian site analysis. Coefficient shown is for Saint‐Hyacinthe (Quebec, Canada).