|
Factors associated with serum retinol changes in Kaya pupils (ANCOVA with repeated measures) |
||||
| Within subject effects |
||||
|
|
||||
| Source |
Sum of squares |
df |
F |
P value |
|
|
||||
| Time factor |
0.89 |
1 |
6.30 |
0.013 |
| Time factor* age |
1.60 |
1 |
11.58 |
0.001 |
| Time factor* height-for-age Z-score |
0.88 |
1 |
6.39 |
0.012 |
| Time factor* sex |
0.56 |
1 |
4.08 |
0.045 |
| Error |
28.74 |
210 |
- |
- |
Zeba et al. Nutrition Journal 2006 5:17 doi:10.1186/1475-2891-5-17 |
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