Table 2 Characteristics of individuals participating in the Guernsey Breast Cancer Cohort Study included in the GGT analyses
Feature | Number (%) |
|---|---|
Age (years) | |
32–40 | 59 (3) |
41–50 | 812 (45) |
51–60 | 485 (27) |
61–70 | 288 (16) |
>70 | 159 (9) |
Weight (kg) mean±s.d. | 65.1±10.9 |
Height (cm) mean±s.d. | 160.8±6.2 |
BMI mean±s.d. | 25.2±4.0 |
Parity and age at first full-term delivery | |
Nulliparous | 228 (13) |
AFB ⩽20 | 243 (13) |
AFB 21–30 | 1178 (65) |
AFB >30 | 154 (9) |
Menopausal status | |
Premenopausal | 828 (46) |
Postmenopausal | 944 (52) |
Uncertain | 31 (2) |
Age at menarche (years) | |
⩽13 | 1121 (62) |
⩾14 | 682 (38) |
