Table 6. Linear Regression Models Presenting the Association of AFB With Office‐Based FRSs, Progressively Adjusting for Childhood and Adulthood Socioeconomic Risk Covariates
VariableAge and Site OnlyAge, Site, and Childhood AdversitiesAge, Site, Childhood Adversities, Education, and Income
(N=1039)(N=1038)(N=1022)
Categories of AFB, y
<20RefRefRef
20–24−2.34−4.65−0.03−2.21−4.530.11−1.89−4.260.48
25–29−5.41−8.14−2.68−5.14−7.88−2.40−4.57−7.42−1.73
≥30−3.48−6.67−0.29−3.30−6.49−0.10−2.44−5.750.88
Nulliparous−7.14−10.31−3.95−6.83−10.02−3.64−6.31−9.60−3.02
Age (centered), y1.220.921.521.220.931.521.220.921.52
Research site
Kingston (Ontario, Canada) (ref)RefRefRef
Saint‐Hyacinthe (Quebec, Canada)1.99−0.624.611.93−0.694.562.63−0.185.43
Tirana (Albania)11.879.2314.5111.899.2114.5812.349.5615.12
Manizales (Colombia)−0.01−2.692.680.05−2.642.740.53−2.363.42
Natal (Brazil)9.927.2812.569.586.8912.2810.267.4413.08
Childhood economic adversity (no=ref)0.90−0.89−2.680.61−1.212.43
Childhood social adversity (no=ref)1.36−0.623.341.35−0.663.35
Education site specifica
Low (ref)Ref
Medium−1.38−3.390.64
High−3.11−5.38−0.83
Income
Poor (ref)Ref
Middle−1.18−3.280.92
High1.16−1.513.83
Constant22.3721.5422.45
  • Data are given as B (95% confidence interval). AFB indicates age at first childbirth; FRS, Framingham Risk Score; and Ref, reference.

  • a Site specific, for women only (no laboratory included).