Table 3.
Comparison of energy and energy-adjusted daily nutrient intakes as measured through the average of the two FFQ and the mean of the 6 d food records (6dFR) among a convenience sample of ninety-two Puerto Rican adults (≥21 years) from the Medical Sciences Campus, University of Puerto Rico, 2010
| Average of two FFQ |
Mean of 6dFR |
Pearson correlation |
De-attenuated correlation |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Nutrient | Mean | sd | Mean | sd | Difference (%)* | r | P value | r | P value | Paired t test P value |
| Energy (kJ) | 9883 | 3443 | 7690 | 2159 | 16·4 | 0·45 | <0·01 | 0·48 | <0·01 | 0·00 |
| Fat (g) | 82·9 | 16·1 | 72·8 | 11·4 | 9·4 | 0·33 | <0·01 | 0·36 | <0·01 | 0·00 |
| Carbohydrate (g) | 300 | 49 | 221 | 32 | 23·9 | 0·27 | <0·01 | 0·28 | <0·01 | 0·00 |
| Protein (g) | 92·4 | 16·7 | 77·8 | 11·9 | 14·1 | 0·41 | <0·01 | 0·43 | <0·01 | 0·00 |
| Cholesterol (mg) | 316 | 110 | 248 | 66 | 14·5 | 0·47 | <0·01 | 0·60 | <0·01 | 0·00 |
| Saturated fat (g) | 30·2 | 7·9 | 24·4 | 4·7 | 14·7 | 0·19 | 0·064 | 0·20 | 0·049 | 0·00 |
| Monounsaturated fat (g) | 28·2 | 5·6 | 26·5 | 5·0 | 2·6 | 0·25 | 0·014 | 0·29 | <0·01 | 0·03 |
| Polyunsaturated fat (g) | 17·7 | 4·3 | 15·8 | 4·3 | 6·6 | 0·32 | <0·01 | 0·34 | <0·01 | 0·00 |
| Dietary fibre (g) | 18·8 | 6·1 | 13·1 | 4·0 | 26·1 | 0·35 | <0·01 | 0·36 | <0·01 | 0·00 |
| Vitamin A (μg RE) | 6177 | 2642 | 5918 | 5246 | 2·3 | 0·43 | <0·01 | 0·45 | <0·01 | 0·00 |
| β-Carotene equivalents (μg) | 2499 | 1504 | 2776 | 3115 | −16·3 | 0·39 | <0·01 | 0·41 | <0·01 | 0·00 |
| Vitamin D (μg) | 5·2 | 2·2 | 4·6 | 2·2 | 7·7 | 0·50 | <0·01 | 0·54 | <0·01 | 0·00 |
| Vitamin E (α-tocopherol, mg) | 9·1 | 3·0 | 7·4 | 2·7 | 13·1 | 0·19 | 0·064 | 0·20 | 0·053 | 0·00 |
| Vitamin K (μg) | 74·6 | 25·1 | 62·8 | 30·0 | 11·5 | 0·28 | <0·01 | 0·29 | <0·01 | 0·00 |
| Vitamin C (mg) | 96·8 | 41·7 | 127 | 228 | −25·5 | 0·50 | <0·01 | 0·59 | <0·01 | 0·06 |
| Thiamin (mg) | 1·8 | 0·4 | 1·5 | 0·3 | 15·8 | 0·12 | 0·253 | 0·12 | 0·235 | 0·00 |
| Riboflavin (mg) | 2·3 | 0·6 | 1·7 | 0·4 | 24·0 | 0·37 | <0·01 | 0·38 | <0·01 | 0·00 |
| Niacin (mg) | 25·3 | 8·2 | 23·2 | 4·5 | 2·9 | 0·36 | <0·01 | 0·38 | <0·01 | 0·03 |
| Pantothenic acid (mg) | 5·8 | 1·7 | 4·4 | 1·3 | 17·5 | 0·26 | 0·013 | 0·27 | <0·01 | 0·00 |
| Vitamin B6 (mg) | 2·4 | 1·3 | 1·9 | 0·5 | 8·0 | 0·27 | 0·010 | 0·28 | <0·01 | 0·00 |
| Folate (μg) | 425 | 131 | 342 | 94 | 14·6 | 0·29 | <0·01 | 0·31 | <0·01 | 0·00 |
| Vitamin B12 (μg) | 7·5 | 3·7 | 4·5 | 2·2 | 33·2 | 0·27 | <0·01 | 0·31 | <0·01 | 0·00 |
| Ca (mg) | 115·8 | 293·0 | 762·1 | 270·1 | 33·5 | 0·58 | <0·01 | 0·63 | <0·01 | 0·00 |
| P (mg) | 1482 | 249 | 1092 | 190 | 25·2 | 0·44 | <0·01 | 0·46 | <0·01 | 0·00 |
| Mg (mg) | 327 | 68 | 237 | 49 | 26·5 | 0·59 | <0·01 | 0·61 | <0·01 | 0·00 |
| Fe (mg) | 16·7 | 3·6 | 12·8 | 2·9 | 20·8 | 0·29 | <0·01 | 0·30 | <0·01 | 0·00 |
| Zn (mg) | 13·5 | 2·5 | 9·6 | 2·5 | 26·9 | 0·37 | <0·01 | 0·41 | <0·01 | 0·00 |
| Cu (mg) | 1·4 | 0·3 | 1·0 | 0·2 | 29·3 | 0·50 | <0·01 | 0·52 | <0·01 | 0·00 |
| Se (μg) | 134 | 29 | 110 | 19 | 15·3 | 0·27 | <0·01 | 0·29 | <0·01 | 0·00 |
| Na (mg) | 5797 | 1231 | 3271 | 612 | 41·6 | 0·45 | <0·01 | 0·47 | <0·01 | 0·00 |
| K (mg) | 2861 | 550 | 2158 | 471 | 23·2 | 0·52 | <0·01 | 0·54 | <0·01 | 0·00 |
| Mn (mg) | 4·2 | 1·6 | 2·5 | 0·8 | 34·3 | 0·49 | <0·01 | 0·51 | <0·01 | 0·00 |
| Trans-fat (g) | 3·2 | 0·7 | 2·5 | 0·9 | 20·7 | 0·10 | 0·337 | 0·11 | 0·309 | 0·00 |
| n 3 Fatty acids (g) | 1·8 | 0·5 | 1·6 | 0·5 | 1·0 | 0·13 | 0·204 | 0·17 | 0·103 | 0·04 |
RE, retinol equavalents.
*
Percentage difference calculated individually as the difference between the value obtained from the FFQ and the value obtained from the food records.