Table 2.
Mean body mass index at 11 years of age among non-obese adolescents according to perception of own weight, body dissatisfaction, and weight loss dieting: 1993 Pelotas, Brazil,) birth cohort study, 2004–2005 and 2008–2009 follow-ups (n = 4,441)
| Variable | BMI (kg/m2) (mean [SD]) | BMI z-scores (mean [SD]) |
|---|---|---|
| Adolescent's perception of own weight | ||
| Fat | 20.1 (2.1) | 1.6 (1.0) |
| Normal | 17.6 (2.1) | .2 (1.0) |
| Thin | 15.8 (1.5) | −.7 (.9) |
| Body dissatisfaction | ||
| Wished to have smaller silhouette | 19.5 (2.3) | 1.3 (1.1) |
| Satisfied with body image | 17.4 (2.0) | .1 (1.0) |
| Wished to have larger silhouette | 16.0 (1.7) | −.6 (.9) |
| Weight loss dieting | ||
| No | 17.5 (2.3) | .2 (1.2) |
| Yes | 20.6 (2.1) | 1.8 (.9) |
BMI = body mass index; SD = standard deviation.