Table 1. Characteristics of subjects in the Health Survey of São Paulo (2008) without and with overweight.a.
| All adults (n = 1005) | Without OW (n = 486) | With OW (n = 519) | |||||
|---|---|---|---|---|---|---|---|
| Median or n | IQR or % | Median or n | IQR or % | Median or n | IQR or % | pb | |
| Age (years) | 57 | 38, 69 | 48 | 31, 68 | 61 | 45, 70 | 0.000 |
| BMI (kg/m2) | 25.3 | 22.4, 28.4 | 22.3 | 20.6, 23.8 | 28.1 | 26.5, 30.8 | 0.000 |
| Gender, female (%) | 607 | 60.4 | 295 | 60.7 | 312 | 60.1 | 0.850 |
| Education of householder ≤ 9 years (%) | 653 | 65.9 | 312 | 65.0 | 341 | 66.7 | 0.565 |
| Per capita family income ≤ 1 MW (%) | 378 | 37.6 | 199 | 41.0 | 179 | 34.5 | 0.091 |
| Physical activity level | |||||||
| Sedentary (%) | 266 | 26.5 | 119 | 24.5 | 147 | 28.3 | |
| Insufficiently active (%) | 230 | 22.9 | 113 | 23.3 | 117 | 22.5 | |
| Active (%) | 328 | 32.6 | 155 | 31.9 | 173 | 33.3 | |
| Very active (%) | 181 | 18.0 | 99 | 30.4 | 82 | 15.8 | 0.210 |
| Dietary characteristics | |||||||
| Total energy (kJ/d) | 6776 | 5480, 8313 | 7002 | 5569, 8517 | 6569 | 5383, 8076 | 0.007 |
| Total energy (kcal/d) | 1618 | 1309, 1986 | 1672 | 1330, 2034 | 1569 | 1286, 1929 | 0.007 |
| Total grams of foods and beverages (g/day) | 1358 | 1128, 1642 | 1385 | 1133, 1646 | 1318 | 1118, 1640 | 0.292 |
| Total energy density (kJ/g) | 5.0 | 4.5, 5.6 | 5.1 | 4.5, 5.6 | 4.9 | 4.4, 5.5 | 0.006 |
| Total energy density (kcal/g) | 1.2 | 1.1, 1.3 | 1.2 | 1.1, 1.3 | 1.2 | 1.0, 1.3 | 0.006 |
| Percentage of misreporting (median) | -32.4 | -51.6, -10.0 | -25.9 | -46.9, -3.3 | -36.0 | -54.9, -17.2 | 0.000 |
OW, Overweight (overweight plus obesity); IQR, Interquartile Range; MW, Minimum Wage (One MW is approximately 217 US dollars)
a Without overweight: BMI<25 kg/m2; With overweight: BMI≥25 kg/m2.
b Categorical variables are compared using X2 tests and continuous variables are compared using Mann-Whitney tests.