Subject characteristics in the analysed samples of the two surveys
| Survey S3 (1994/1995) | Survey S4 (1999–2001) | |||||||
|---|---|---|---|---|---|---|---|---|
| Men | Women | Men | Women | |||||
| p50, 50th percentile of BMI; p90, 90th percentile of BMI. BMI, body mass index; WHO, World Health Organization. | ||||||||
| Number of subjects | ||||||||
| All | 2019 | 2052 | 1919 | 1947 | ||||
| By BMI WHO category (kg/m2) | ||||||||
| <18.5 | 6 (0.3%) | 16 (0.8%) | 4 (0.2%) | 20 (1.0%) | ||||
| 18.5–20 | 537 (26.6%) | 886 (43.2%) | 494 (25.7%) | 779 (40.0%) | ||||
| 25–30 | 1084 (53.7%) | 693 (33.8%) | 994 (51.8%) | 676 (34.7%) | ||||
| 30–35 | 328 (16.2%) | 320 (15.6%) | 344(17.9%) | 324 (16.6%) | ||||
| 35–40 | 54 (2.7%) | 102 (5.0%) | 60 (3.1%) | 112 (5.7%) | ||||
| 40+ | 10 (0.5%) | 35 (1.7%) | 23 (1.2%) | 36 (1.8%) | ||||
| By obesity status | ||||||||
| BMI ⩾30 | 392 (19.4%) | 457 (22.3%) | 427 (22.2%) | 472 (24.2%) | ||||
| BMI <30 | 1627 (80.6%) | 1595 (77.7%) | 1492 (77.8%) | 1475 (75.8%) | ||||
| BMI (kg/m2) | ||||||||
| Min–max | 16–46 | 14–57 | 16–55 | 16–51 | ||||
| p50*, p90† | 27/32 | 26/33 | 27/32 | 26/34 | ||||
| p50/p90 by age group | ||||||||
| 25–30 | 24.5/28.0 | 22.4/27.6 | 24.8/29.3 | 22.8/30.0 | ||||
| 30–35 | 25.8/31.1 | 23.0/30.0 | 25.5/30.4 | 23.8/31.6 | ||||
| 35–40 | 26.2/31.9 | 24.0/31.9 | 26.4/30.9 | 24.4/31.0 | ||||
| 40–45 | 26.6/31.7 | 24.0/31.9 | 26.6/31.4 | 24.5/33.2 | ||||
| 45–50 | 27.1/31.7 | 25.9/33.1 | 27.1/33.1 | 26.1/34.0 | ||||
| 50–55 | 27.7/33.4 | 26.6/33.7 | 28.1/34.3 | 26.8/34.5 | ||||
| 55–60 | 27.6/32.5 | 27.0/33.4 | 26.9/32.7 | 27.3/34.8 | ||||
| 60–65 | 28.2/32.9 | 28.2/36.1 | 27.9/32.8 | 28.4/36.2 | ||||
| 65–70 | 28.0/32.6 | 28.8/35.2 | 28.4/34.3 | 29.0/35.5 | ||||
| 70–74 | 27.4/31.3 | 27.9/34.8 | 28.5/33.0 | 28.6/34.0 | ||||