Table 2.
Reproductive Characteristics of the Study Participants (n=92,980)
| Characteristic | Number (%) |
|---|---|
| Parity | |
| Never pregnant | 9318 (10.07%) |
| Never had pregnancy lasting ≥6 months | 2568 (2.77%) |
| 1 | 8443 (9.12%) |
| 2 | 24305 (26.26%) |
| 3 | 22303 (24.09%) |
| 4 | 13396 (14.47%) |
| 5+ | 12234 (13.22%) |
| How many times pregnant | |
| 0 | 9318 (10.05%) |
| 1 | 6741 (7.27%) |
| 2 | 18959 (20.45%) |
| 3 | 20953 (22.60%) |
| 4 | 15611 (16.84%) |
| 5 | 9466 (10.21%) |
| 6 | 5279 (5.70%) |
| 7 | 2865 (3.09%) |
| 8+ | 3501 (3.78%) |
| Age at first birth, years | |
| Never pregnant/No pregnancy lasting ≥6 months | 11886 (14.14%) |
| <20 | 10458 (12.44%) |
| 20–29 | 54529 (64.86%) |
| 30+ | 7195 (8.56%) |
| Had hysterectomy | 38847 (41.82%) |
| Had bilateral oophorectomy | 18792 (20.62%) |
| Years since menopause | |
| < 10 | 27241 (30.54%) |
| 10 – <20 | 32647 (36.60%) |
| ≥ 20 | 29317 (32.86%) |
| Among women who were pregnant at least once (n=83,563) | |
| Breastfed for at least one month | 46777(56.51%) |
| How many children breastfed | |
| None | 35994(43.53%) |
| 1–2 | 29407(35.57%) |
| 3–5 | 15629(18.90%) |
| 6+ | 1652(2.00%) |
| How old when first breastfed? (years) | |
| Never breastfed | 35994(43.56%) |
| <20 | 6065(7.34%) |
| 20 – 24 | 20592(24.92%) |
| 25 – 29 | 14092(17.06%) |
| 30 – 34 | 4314(5.22%) |
| 35 – 39 | 1327(1.61%) |
| 40 – 44 | 227(0.27%) |
| 45+ | 11(0.01%) |
| How old when last breastfed? (years) | |
| Never breastfed | 35994(43.63%) |
| <20 | 1975(2.39%) |
| 20 – 24 | 9372(11.36%) |
| 25 – 29 | 14270(17.30%) |
| 30 – 34 | 12659(15.34%) |
| 35 – 39 | 6358(7.71%) |
| 40 – 44 | 1727(2.09%) |
| 45+ | 143(0.17%) |
| Number of months breastfed | |
| Never breastfed | 35994(43.64%) |
| 1–6 | 23713(28.75%) |
| 7–12 | 10196(12.36%) |
| 13–23 | 7730(9.37%) |
| 24+ | 4852(5.88%) |