Table 4 Internal reliability of the nutrition knowledge questionnaire for athletes for the first data collection, also test retest reliability and identical response rate over two data collection periods separated by 3 weeks
From: A valid and reliable nutrition knowledge questionnaire for track and field athletes
Nutrition knowledge sub-section (n) | Internal reliabilitya | Test - retest correlationb | Identical responses from both tests (all) (%) | Identical responses from both tests (NUT) (%) | Identical responses from both tests NONUT) (%) |
|---|---|---|---|---|---|
Carbohydrate (23) | .84 | .95 | 91.0 | 94.5 | 87.5 |
Protein (18) | .81 | .94 | 89.9 | 92.5 | 87.4 |
Fat (23) | .78 | .97 | 93.5 | 93.4 | 93.6 |
General nutrition (31) | .86 | .92 | 87.7 | 90.8 | 84.5 |
Fluid (15) | .82 | .91 | 84.0 | 84.6 | 83.3 |
Sport nutrition (35) | .92 | .87 | 83.4 | 84.5 | 82.4 |
Total (145) | N/A | .98 | 88.0 | 89.8 | 86.1 |