Table 3.
Number of Women (n = 28,179) | Incident HF Events | Incident HF Events Per 100 Person-Yrs | Age-Adjusted
|
Multivariable-Adjusted*
|
|||||
---|---|---|---|---|---|---|---|---|---|
Hazard Ratio | 95% CI | p Value Across Group | Hazard Ratio | 95% CI | p Value Across Group | ||||
Number of Live births | 0.51 | 0.68 | |||||||
0 | 182 | 4 | 1.9 | 1.43 | 0.51–3.97 | 1.27 | 0.39–4.17 | ||
1 | 3,207 | 45 | 1.1 | Reference | N/A | Reference | N/A | ||
2 | 7,044 | 109 | 1.2 | 1.05 | 0.74–1.50 | 1.18 | 0.80–1.76 | ||
3 | 6,959 | 118 | 1.3 | 1.05 | 0.74–1.48 | 1.28 | 0.86–1.90 | ||
4 | 4,977 | 95 | 1.5 | 1.15 | 0.80–1.65 | 1.30 | 0.86–1.97 | ||
$ 5 | 5,810 | 134 | 1.9 | 1.29 | 0.91–1.83 | 1.40 | 0.94–2.10 | ||
| |||||||||
Age at first pregnancy, yrs | 0.12 | 0.99 | |||||||
<20 | 6,873 | 124 | 1.5 | 1.31 | 0.92–1.88 | 1.04 | 0.69–1.56 | ||
20–24 | 12,677 | 230 | 1.4 | 1.10 | 0.79–1.54 | 1.04 | 0.72–1.50 | ||
25–29 | 6,128 | 106 | 1.3 | 0.95 | 0.67–1.36 | 1.00 | 0.68–1.47 | ||
$ 30 | 2,501 | 45 | 1.4 | Reference | N/A | Reference | N/A | ||
| |||||||||
Reproductive duration (per additional yr) | 28,179 | 505 | 1.4 | 0.98 | 0.97–0.99 | <0.0001 | 1.00 | 0.98–1.01 | 0.54 |