Table 3.
Rapid weight gain and weight status at 4-6 months and weight changes during the study, adjusted by infant’s age and site
| Weight status/weight gain | Control |
Intervention |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Visit 1 (n=100)> | Visit 2 (n=86) | p-value¥ | Visit 1 (n=102) | Visit 2 (n=84) | p-value¥ | p-value€ | |||||
| n | % | n | % | n | % | n | % | ||||
| WHL z score1 | |||||||||||
| Underweight (<−2 z score) | 9 | 9.0 | 2 | 2.4 | 0.902 | 6 | 5.9 | 0 | 0.0 | - | - |
| Adequate (>−2 to <2 z score) | 84 | 84.0 | 59 | 70.2 | 0.462 | 89 | 88.1 | 61 | 74.4 | 0.338 | 0.424 |
| Obese (>2 z score) | 7 | 7.0 | 23 | 27.4 | 0.233 | 5 | 5.0 | 21 | 25.6 | 0.565 | 0.777 |
| Change in WHL z score*2 | |||||||||||
| Slow weight change (<−.67SD change) | 23 | 27.4 | 14 | 17.3 | 0.132 | ||||||
| Adequate weight gain (−0.67SD to 0.67SD) | 24 | 28.6 | 25 | 30.9 | 0.666 | ||||||
| Excessive weight change (>0.67SD change) | 37 | 44.1 | 42 | 51.9 | 0.363 | ||||||
¥
test for change within group
€
test for difference in change between groups
*
test for difference between groups
1
Missing value for 2 participants in control group visit 1 and 2 and 1 participant in intervention group visit 1 and 2
2
Missing value for 2 participants in control group visit 2 and 3 participants in intervention group visit 2