Table 4.
Prevalence of overweight and obesity, by survey year, sex and educational group.
| Gender/educational level | 1992 | 1997 | 2002 | 2007 |
|---|---|---|---|---|
| Men | ||||
| Overweight (%) | ||||
| Low | 368 (37.6) | 332 (38.5) | 470 (42.1) | 316 (42.9) |
| Middle | 1252 (34.5) | 1141 (36.0) | 2074 (39.4) | 1794 (39.6) |
| High | 621 (31.6) | 507 (33.6) | 807 (37.1) | 1107 (40.3) |
| Obesity (%) | ||||
| Low | 90 (9.2) | 90 (10.4) | 136 (12.2) | 117 (15.9) |
| Middle | 233 (6.4) | 208 (6.6) | 493 (9.3) | 486 (10.7) |
| High | 88 (4.5) | 76 (5.1) | 136 (6.3) | 149 (5.4) |
| Women | ||||
| Overweight (%) | ||||
| Low | 561 (26.7) | 564 (29.9) | 786 (31.2) | 585 (33.7) |
| Middle | 695 (14.9) | 839 (19.0) | 1466 (21.5) | 1309 (21.9) |
| High | 130 (11.1) | 67 (10.4) | 146 (14.3) | 354 (16.6) |
| Obesity (%) | ||||
| Low | 188 (8.9) | 222 (11.8) | 307 (12.2) | 251 (14.5) |
| Middle | 177 (3.8) | 258 (5.9) | 476 (7.0) | 486 (8.1) |
| High | 27 (2.3) | 20 (3.1) | 42 (4.1) | 99 (4.6) |
Non-weighted data.
Overweight is defined as a BMI ≥ 25 and <30 kg/m2. Obesity is defined as a BMI ≥ 30 kg/m2. Results are expressed as number of subjects and (percentage). Statistical analysis adjusting for survey by Cochran-Mantel-Haenszel test: for men, test = 7.32, p < 0.01; for women, test = 1064, p < 0.001.