Table 4.
Weighted nutritional quality index derived both from absolute values and from densities, stratified by age group, of 1590 European adolescents aged 12·5–17·5 years from the Healthy Lifestyle in Europe by Nutrition in Adolescents (HELENA) Study
| Age (years)† | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 to <13 (n 99) | 13 to <15 (n 816) | 15 to <19 (n 675) | ||||||||||
| Boys (n 48) | Girls (n 51) | Boys (n 365) | Girls (n 451) | Boys (n 318) | Girls (n 357) | |||||||
| Median | P25, P75 | Median | P25, P75 | Median | P25, P75 | Median | P25, P75 | Median | P25, P75 | Median | P25, P75 | |
| NQI absolute | 77·0 | 73·5, 79·2 | 74·7 | 70·4, 78·1 | 72·3 | 63·7, 77·1 | 70·2* | 64·5, 75·0 | 72·1 | 60·2, 76·9 | 71·4 | 64·9, 77·1 |
| NQI density | 74·4 | 71·1, 76·8 | 71·4* | 67·0, 74·5 | 72·1 | 66·8, 75·3 | 69·1* | 63·5, 74·0 | 71·0 | 62·6, 75·4 | 71·8 | 66·2, 75·4 |
P25, 25th percentile; P75, 75th percentile; NQI, Nutritional Quality Index.
Median values were significantly different from those of boys (tested using the Kruskal–Wallis test): *P < 0·05.
†Values are presented as median with P25 and P75.