Table 2 Distribution of parity and lifetime lactation duration among women <65 years and women ≥65 years in the HUNT2 Survey, Norway, 1995–97 (n = 21,889)
Variables | Women < 65 years | Women ≥ 65 years |
|---|---|---|
(n = 16,672) | (n = 5,217) | |
Parity | Â | Â |
   Nulliparous, n (%) | 1,172 (7.0) | 710 (13.6) |
   Para 1, n (%) | 1,546 (9.3) | 422 (8.1) |
   Para 2, n (%) | 6,329 (38.0) | 1,236 (23.7) |
   Para 3, n (%) | 5,125 (30.7) | 1,213 (23.3) |
   Para 4, n (%) | 2,500 (15.0) | 1,636 (31.4) |
Lactation | (n = 15,500) | (n = 4,507) |
   No lactation | 532 (3.4) | 125 (2.8) |
   1 – 6 months, n (%) | 3,286 (21.2) | 699 (15.5) |
   7 – 12 months, n (%) | 3,951 (25.5) | 981 (21.8) |
   13 – 24 months, n (%) | 4,662 (30.1) | 1,278 (28.4) |
   ≥ 24 months, n (%) | 3,069 (19.8) | 1,424 (31.6) |