TABLE 2.
Percentage of Infants First Introduced to Solid Food by Age and Milk Feeding at Time of Introduction
| Age | Mean Age at Introduction, wk (SD) | ||||||
|---|---|---|---|---|---|---|---|
| 0–6 Weeks (1 Month) | 7–11 Weeks (2 Months) | 12–16 Weeks (3 Months) | 17–20 Weeks (4 Months) | 21–25 Weeks (5 Months) | ≥26 Weeks (6 Months) | ||
| n | 104 | 120 | 315 | 457 | 243 | 95 | 1334 |
| Total | 7.8 | 9.0 | 23.6 | 34.3 | 18.2 | 7.1 | 17.7 (6.3) |
| Milk feeding type at time of solid food introduction | |||||||
| Breast milk | 4.5 | 2.7 | 17.1 | 36.1 | 27.8 | 11.8 | 19.9 (5.8) |
| Formula | 11.2 | 13.5 | 28.0 | 34.0 | 9.3 | 3.9 | 15.8 (6.2)a |
| Mixed | 8.3 | 13.3 | 28.6 | 31.2 | 15.0 | 3.7 | 16.6 (5.9)a |
a
P < .05 for association between type of milk feeding and mean age at solid food introduction (compared with breast milk).