From: Pubertal development in girls by breast cancer family history: the LEGACY girls cohort
 | Hazard ratio (95% confidence interval) | |||
---|---|---|---|---|
 | All girls aged 5–7 years at first visit | Girls aged 5–7 years at first visit, BMI <85th percentile | ||
Measures of BCFHa | Model 1b | Model 2c, d | Model 1b | Model 2c, d |
 | n = 258 | n = 248 | n = 210 | n = 206 |
Any BCFH | 1.33 (0.93–1.91) | 1.49 (1.00–2.21) | 1.69 (1.12–2.55) | 2.04 (1.29–3.21) |
First-degree BCFH | 1.28 (0.83–1.98) | 1.24 (0.76–2.03) | 1.88 (1.13–3.12) | 2.21 (1.31–3.73) |
Second-degree BCFH only | 1.38 (0.93–2.04) | 1.68 (1.09–2.59) | 1.63 (1.03–2.56) | 1.94 (1.17–3.24) |