Table 1.
Main characteristics of the SAYCARE population for reliability and validity analyses
| Reliability analyses (FFQ1 v. FFQ2) | Validity analyses (FFQ1 v. 24HDR) | |||||||
|---|---|---|---|---|---|---|---|---|
| Children (3–10 years) (n 200) | Adolescents (11–18 years) (n 244) | Children (3–10 years) (n 252) | Adolescents (11–18 years) (n 244) | |||||
| Median | 95 % CI | Median | 95 % CI | Median | 95 % CI | Median | 95 % CI | |
| Age (years) | 5·90 | 6·03, 6·62 | 15·00 | 14·28, 14·82 | 5·65 | 5·88, 6·37 | 14·80 | 14·28, 14·83 |
| Gender (%) | ||||||||
| Female | 50·50 | 49·59 | 53·17 | 52·05 | ||||
| Male | 49·50 | 50·41 | 46·83 | 47·95 | ||||
| Weight (kg) | 21·67 | 22·45, 24·76 | 54·00 | 54·33, 57·58 | 21·22 | 22·01, 23·88 | 53·45 | 53·58, 56·83 |
| Height (m) | 1·15 | 1·14, 1·18 | 1·58 | 1·58, 1·60 | 1·15 | 1·13, 1·17 | 1·58 | 1·57, 1·60 |
| BMI (kg/m2) | 16·4 | 16·56, 17·29 | 21·49 | 21·39, 22·44 | 16·26 | 16·56, 17·30 | 20·99 | 21·21, 22·29 |
| School type (%) | ||||||||
| Public | 61·50 | 38·93 | 59·13 | 44·76 | ||||
| Private | 38·50 | 61·07 | 40·87 | 55·33 | ||||
| Maternal education level (%) | ||||||||
| Without education | 0 | 1·64 | 0 | 1·30 | ||||
| Low education | 10·87 | 7·38 | 11·25 | 10·39 | ||||
| Low secondary education | 8·70 | 4·92 | 7·50 | 5·84 | ||||
| High secondary education | 10·87 | 22·95 | 13·75 | 24·68 | ||||
| Technical education | 10·87 | 13·93 | 12·50 | 10·39 | ||||
| University degree | 58·70 | 49·18 | 55·00 | 47·40 | ||||
Continuous non-normally distributed variables were presented in median and 95 % CI and categorical variables were presented as proportion (%).
Reliability analyses: First v. second FFQ application (FFQ1 v. FFQ2).
Validity analyses: First FFQ application (FFQ1) v. average of at least two 24-h dietary recalls (24HDR).