Table 3 Comparison of prevalence rates derived from measured (KiGGS baseline), self-reported (KiGGS Wave 1), and corrected (KiGGS Wave 1) data in 11- to 17-year old adolescents in Germany
Weight status | BMIKiGGS baselinemeasured | BMIKiGGS1reported | BMIKiGGS1corrected | |||
|---|---|---|---|---|---|---|
% | 95 % Cl | % | 95 % Cl | % | 95 % Cl | |
Boys | n = 3 477 | n = 2 294 | n = 2 505 | |||
Extremely underweight | 2.3 | 1.7–3.0 | 2.9 | 2.0–4.0 | 2.7 | 1.6–4.2 |
Underweight | 5.4 | 4.5–6.4 | 5.9 | 4.7–7.3 | 5.0 | 3.2–6.9 |
Normal weight | 73.9 | 72.0–75.7 | 78.7 | 75.9–81.3 | 72.4 | 68.5–76.4 |
Overweight | 10.1 | 8.9–11.3 | 7.8 | 6.3–9.7 | 10.2 | 7.8–12.8 |
Obese | 8.4 | 7.2–9.7 | 4.8 | 3.6–6.3 | 9.6 | 7.2–11.8 |
Girls | n = 3 302 | n = 2 241 | n = 2 443 | |||
Extremely underweight | 1.7 | 1.3–2.4 | 3.9 | 3.0–5.1 | 1.3 | 0.7–2.2 |
Underweight | 4.8 | 4.1–5.6 | 7.3 | 6.0–8.8 | 3.9 | 2.6–5.5 |
Normal weight | 74.2 | 72.3–76.0 | 77.9 | 75.4–80.3 | 76.8 | 73.2–80.2 |
Overweight | 9.7 | 8.5–11.0 | 7.7 | 6.0–9.8 | 7.6 | 5.3–10.4 |
Obese | 9.6 | 8.4–10.8 | 3.2 | 2.2–4.6 | 10.3 | 7.3–13.2 |
Total | n = 6 779 | n = 4 535 | n = 4 948 | |||
Extremely underweight | 2.0 | 1.6–2.5 | 3.4 | 2.7–4.2 | 1.9 | 1.3–2.7 |
Underweight | 5.1 | 4.5–5.8 | 6.6 | 5.7–7.6 | 4.6 | 3.4–5.8 |
Normal weight | 74.0 | 72.6–75.4 | 78.3 | 76.4–80.1 | 74.7 | 71.8–77.5 |
Overweight | 9.9 | 9.1–10.8 | 7.7 | 6.6–9.0 | 8.9 | 7.0–10.9 |
Obese | 8.9 | 8.0–9.9 | 4.0 | 3.2–5.0 | 10.0 | 8.0–11.7 |