Table 4. Comparison between NIPPON DATA80 FFQ data and NNSJ80 Estimates.
Egg | Fish | Meat | ||||
Women | Men | Women | Men | Women | Men | |
Weighted Kappa | 0.241 | 0.225 | 0.152 | 0.163 | 0.183 | 0.168 |
P | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 |
Spearman r for Category | 0.338 | 0.322 | 0.226 | 0.224 | 0.281 | 0.254 |
P | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 |
Spearman r for Gram Intake | 0.354 | 0.338 | 0.237 | 0.251 | 0.291 | 0.270 |
P | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 |
Weighted kappa to evaluated agreement for the categorical data of the two systems for egg, fish and meat intakes, and Spearman’s rank correlation coefficient between the two categories, and between NNSJ80 continuous data and NIPPON DATA80 categorical data are shown.