Table 2.
Intakes of energy and nutrients estimated from the semi-quantitative FFQ (SFFQ) and the average of three 24 h dietary recalls (24hDR), differences in intakes between the two methods and correlations of intakes between the two methods (de-attenuated Spearman rank-correlation coefficients, R de-att); caregiver-reported intakes of 3-year-old children, Krakow, Poland
| SFFQ | 24hDR | Difference | |||||
|---|---|---|---|---|---|---|---|
| Median | Q1, Q3 | Median | Q1, Q3 | Median | Q1, Q3 | R de-att | |
| Energy (kJ)* | 6471·8 | 5403·2, 7737·1 | 5403·2 | 4679·0, 6417·8 | 1068·6 | −91·2, 1975·7 | 0·461 |
| Energy (kcal)* | 1546·8 | 1291·4, 1849·2 | 1346·3 | 1118·3, 1533·9 | 255·4 | −21·8, 472·2 | 0·461 |
| Protein (g)* | 56·2 | 47·1, 68·3 | 45·7 | 39·0, 54·5 | 10·9 | 1·0, 20·8 | 0·456 |
| Carbohydrate (g)* | 215·8 | 179·6, 263·3 | 187·5 | 157·5, 221·5 | 31·0 | −3·4, 69·9 | 0·474 |
| Total fat (g)* | 54·2 | 45·7, 68·0 | 50·1 | 39·8, 59·0 | 7·0 | −4·1, 17·2 | 0·487 |
| Cholesterol (mg)* | 251·2 | 196·6, 308·8 | 186·3 | 149·7, 240·4 | 60·5 | 8·7, 122·0 | 0·548 |
| Dietary fibre (g)* | 15·5 | 12·7, 18·4 | 12·3 | 10·0, 14·3 | 3·0 | 0·3, 6·4 | 0·357 |
| Na (mg)* | 1272·6 | 1058·1, 1536·9 | 929·8 | 715·7, 1225·7 | 323·0 | 73·2, 617·8 | 0·519 |
| K (mg)* | 2602·3 | 2195·5, 3205·8 | 2078·2 | 1765·7, 2468·7 | 534·5 | −68·1, 1011·5 | 0·370 |
| Ca (mg)* | 709·3 | 546·6, 894·9 | 491·8 | 336·6, 683·1 | 199·5 | 65·3, 360·5 | 0·667 |
| P (mg)* | 987·2 | 825·0, 1187·8 | 749·5 | 625·8, 936·1 | 241·0 | 43·3, 432·8 | 0·564 |
| Mg (mg)* | 216·8 | 182·9, 265·8 | 168·6 | 136·4, 198·3 | 43·3 | 9·4, 89·6 | 0·477 |
| Fe (mg)* | 7·8 | 6·3, 9·5 | 6·2 | 5·4, 7·3 | 1·2 | −0·1, 2·9 | 0·436 |
| Zn (mg)* | 7·0 | 6·0, 8·5 | 5·9 | 4·9, 7·0 | 1·1 | 0·1, 2·4 | 0·447 |
| Vitamin A (μg RE)* | 1519·8 | 1155·8, 2040·8 | 831·9 | 551·4, 1445·1 | 530·0 | 119·4, 1037·1 | 0·369 |
| Vitamin D (μg)* | 1·6 | 1·3, 2·2 | 1·3 | 1·0, 1·6 | 0·4 | 0·0, 0·8 | 0·459 |
| Vitamin E (mg)* | 7·0 | 5·6, 8·6 | 4·9 | 4·0, 6·3 | 2·0 | 0·6, 3·8 | 0·270 |
| Thiamin (mg)* | 0·8 | 0·6, 0·9 | 0·6 | 0·5, 0·8 | 0·1 | 0·0, 0·3 | 0·429 |
| Riboflavin (mg)* | 1·5 | 1·3, 1·9 | 1·2 | 0·9, 1·5 | 0·3 | 0·1, 0·7 | 0·667 |
| Niacin (mg)* | 8·8 | 7·1, 10·6 | 7·6 | 6·3, 9·0 | 1·3 | −0·4, 2·9 | 0·319 |
| Vitamin B6 (mg)* | 1·5 | 1·2, 1·8 | 1·2 | 0·9, 1·5 | 0·3 | 0·0, 0·6 | 0·332 |
| Folic acid (μg)* | 200·7 | 164·8, 246·3 | 145·2 | 123·7, 173·5 | 48·5 | 17·7, 98·0 | 0·455 |
| Vitamin B12 (μg)* | 3·2 | 2·5, 4·0 | 2·3 | 1·7, 2·9 | 0·9 | 0·1, 1·7 | 0·458 |
| Vitamin C (mg)* | 98·9 | 69·1, 132·1 | 61·4 | 39·9, 93·1 | 34·9 | 0·1, 68·8 | 0·373 |
Q1, first quartile; Q3, third quartile; RE, retinol equivalents.
*P value for difference between the instruments (Wilcoxon's test) <0·001.