Table 7.
Comparison of 4-month-old infant development according to infant feeding state
| Development item (KIDS) | Feeding method | p value | Suckling | p value | ||||
|---|---|---|---|---|---|---|---|---|
| Breast milk (n = 183)a | Formula (n = 39)b | Combined (n = 62)c | Post hoc | Good (n = 261) | Irregular (n = 26) | |||
| Motor score | 10.0 [4–13] | 9.0 [5–13] | 10.0 [2–12] | 0.132 | 10.0 [4–13] | 9.5 [2–13] | 0.365 | |
| Motor skills | 11.0 [6–14] | 10.0 [6–13] | 10.5 [5–14] | 0.058 | 11.0 [3–14] | 10.0 [7–14] | 0.579 | |
| Language comprehension | 7.0 [2–8] | 6.0 [2–8] | 6.0 [1–8] | a and b**, a and c* | 0.005 | 7.0 [2–8] | 6.5 [1–8] | 0.381 |
| Verbalization | 6.0 [3–8] | 6.0 [3–8] | 6.5 [2–8] | 0.264 | 6.0 [3–8] | 6.0 [2–8] | 0.164 | |
| Sociability with adults | 13.0 [6–19] | 12.0 [7–18] | 13.0 [6–19] | 0.265 | 13.0 [6–19] | 12.5 [8–17] | 0.165 | |
| Diet | 4.0 [0–7] | 4.0 [1–7] | 4.0 [2–7] | 0.639 | 4.0 [0–7] | 4.0 [1–7] | 0.675 | |
* p < 0.05, ** p < 0.01
Data are presented as the median with the range in square brackets
Feeding method
aBreast milk
bFormula milk
cCombined breast milk and formula milk