Statistical approaches for assessing the relative validity of a food-frequency questionnaire: use of correlation coefficients and the kappa statistic.
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| Title: | Statistical approaches for assessing the relative validity of a food-frequency questionnaire: use of correlation coefficients and the kappa statistic. |
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| Authors: | Masson LF (AUTHOR), McNeill G (AUTHOR), Tomany JO (AUTHOR), Simpson JA (AUTHOR), Peace HS (AUTHOR), Wei L (AUTHOR), Grubb DA (AUTHOR), Bolton-Smith C (AUTHOR), Masson, L F1 (AUTHOR), McNeill, G (AUTHOR), Tomany, J O (AUTHOR), Simpson, J A (AUTHOR), Peace, H S (AUTHOR), Wei, L (AUTHOR), Grubb, D A (AUTHOR), Bolton-Smith, C (AUTHOR) |
| Source: | Public Health Nutrition. Jun2003, Vol. 6 Issue 3, p313-321. 9p. |
| Database: | Academic Search Ultimate |
| ISSN: | 13689800 |
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| DOI: | 10.1079/phn2002429 |
