Table 1 Number of all individuals (and cancer cases) included in the study with respect to birth order and family size
From: Influence of family size and birth order on risk of cancer: a population-based study
All families | Â | Â | Family size | Â | Â |
|---|---|---|---|---|---|
Birth order | 1 | 2 | 3-4 | 5-17 | All |
1 | 669,137 (25,209) | 1,161,073 (26,279) | 681,658 (20,129) | 75,738 (4,226) | 2,587,606 (75,843) |
2 | Â | 1,169265 (18,325) | 686,860 (15,439) | 76,402 (3,543) | 1,932,527 (37,307) |
3-4 | Â | Â | 851,555 (13,395) | 154,668 (5,315) | 1,006,223 (18,170) |
5-17 | Â | Â | Â | 131,099 (3,036) | 131,099 (3,036) |
All | 669,137 (25,209) | 2,330,338 (44,604) | 2,220,073 (48,963) | 437,907 (16,120) | 5,657,455 (134,896) |