Table 3. Normal weight obesity according to adult life variables, 1978/79 Ribeirão Preto birth cohort.
Variables | Normal weight obesitya | P | |
No (n = 1,111) n (%) | Yes (n = 111) n (%) | ||
Age | 23.9±0.71b | 24.0±0.68b | 0.485c |
Sex | 0.935d | ||
Male | 496 (90.8) | 50 (9.2) | |
Female | 615 (91.0) | 61 (9.0) | |
Skin colour | 0.013d | ||
White | 731 (89.5) | 86 (10.5) | |
Non-white | 380 (93.8) | 25 (6.2) | |
Family income (minimum wages) | 0.563d | ||
<5 | 329 (90.1) | 36 (9.9) | |
5 to 9.9 | 345 (89.9) | 39 (10.1) | |
≥10 | 353 (92.4) | 29 (7.6) | |
Missing | 84 (92.3) | 7 (7.7) | |
Schooling (years) | 0.303d | ||
≤8 | 152 (92.1) | 13 (7.9) | |
9 to 11 | 551 (91.8) | 49 (8.2) | |
≥12 | 408 (89.3) | 49 (10.7) | |
Marital Status | 0.307d | ||
Single | 792 (91.5) | 74 (8.5) | |
Cohabiting | 319 (89.6) | 37 (10.4) | |
Smoking | 0.065d | ||
No | 927 (90.3) | 100 (9.7) | |
Yes | 185 (94.4) | 11 (5.6) | |
Physical activity | 0.010d | ||
Sedentary | 544 (89.2) | 66 (10.8) | |
Sufficiently active | 220 (89.4) | 26 (10.6) | |
Active | 342 (94.7) | 19 (5.3) | |
Alcohol consumption (g/day) | 0.723d | ||
None | 296 (90.2) | 32 (9.8) | |
≤31 | 595 (90.7) | 61 (9.3) | |
>31 | 212 (92.2) | 18 (7.8) | |
Percentage of fat in the diet | 35.8±5.6b | 37.5±5.4b | 0.002c |
Normal weight obesity defined as a BMI from 18.5 to 24.9 kg/m2 and the sum of triceps and subscapular skinfolds >90th percentile of the study sample for each sex. bValues are mean ± standard deviation. cP values calculated by the Student t-test. dP values calculated by the chi-square test.