Table 3.
Linear Regression Models Presenting the Association of AFB With FRSs, Progressively Adjusting for Childhood and Adulthood Socioeconomic Risk Covariates
| Variable | Age and Site Only (Model 1) | Age, Site, and Childhood Adversities (Model 2) | Age, Site, Childhood Adversities, Education, and Income (Model 3) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| (N=905) | (N=904) | (N=892) | |||||||
| Categories of AFB, y | |||||||||
| <20 | Ref | Ref | Ref | ||||||
| 20–24 | −3.15 | −5.26 | −1.03 | −3.14 | −5.26 | −1.01 | −2.92 | −5.09 | −0.76 |
| 25–29 | −5.64 | −8.19 | −3.10 | −5.63 | −8.19 | −3.07 | −5.29 | −7.93 | −2.65 |
| ≥30 | −3.91 | −6.84 | −0.99 | −3.90 | −6.84 | −0.96 | −3.12 | −6.15 | −0.08 |
| Nulliparous | −6.67 | −9.55 | −3.79 | −6.65 | −9.55 | −3.75 | −6.19 | −9.15 | −3.23 |
| Age (centered), y | 0.89 | 0.62 | 1.16 | 0.89 | 0.62 | 1.16 | 0.89 | 0.61 | 1.16 |
| Research site | |||||||||
| Kingston (Ontario, Canada) (ref) | Ref | Ref | Ref | ||||||
| Saint‐Hyacinthe (Quebec, Canada) | 1.44 | −0.99 | 3.87 | 1.42 | −1.02 | 3.86 | 1.74 | −0.83 | 4.32 |
| Tirana (Albania) | 13.53 | 11.09 | 15.98 | 13.57 | 11.09 | 16.06 | 14.09 | 11.53 | 16.64 |
| Manizales (Colombia) | 2.76 | 0.31 | 5.20 | 2.76 | 0.31 | 5.21 | 2.90 | 0.29 | 5.51 |
| Natal (Brazil) | 8.69 | 6.16 | 11.21 | 8.72 | 6.16 | 11.29 | 9.37 | 6.70 | 12.03 |
| Childhood economic adversity (no=ref) | −0.19 | −1.81 | 1.42 | −0.34 | −1.98 | 1.31 | |||
| Childhood social adversity (no=ref) | 0.20 | −1.61 | 2.01 | 0.12 | −1.70 | 1.95 | |||
| Education site specific | |||||||||
| Low (ref) | Ref | ||||||||
| Medium | −0.30 | −2.14 | 1.53 | ||||||
| High | −2.40 | −4.48 | −0.33 | ||||||
| Income | |||||||||
| Poor (ref) | Ref | ||||||||
| Middle | −1.76 | −3.64 | 0.12 | ||||||
| High | 0.09 | −2.34 | 2.52 | ||||||
| Constant | 17.61 | 17.62 | 18.60 | ||||||
Data are given as B (95% confidence interval). AFB indicates age at first childbirth; FRS, Framingham Risk Score; and Ref, reference.