6 weeks | 12 weeks | 26 weeks | ||||
---|---|---|---|---|---|---|
Study | Breast fed | Formula fed | Breast fed | Formula fed | Breast fed | Formula fed |
Values in parentheses are percentages. Breast feeding is defined as predominantly breast fed to 6 weeks. The ages for the preterm infants represent post-term ages. | ||||||
*p<0.05, **p<0.001 for age of solid food introduction, breast fed v formula fed within the same study. | ||||||
SGA, Small for gestational age; N/A, data not available. | ||||||
Term SGA (A) | 2/153 (1.3) | 7/211 (3.3) | 46/146 (31.5) | 137/226 (60.6)** | 149/150 (99.3) | 234/242 (96.7) |
Term SGA (B) | 0/26 (0) | 0/26 (0) | 9/26 (34.6) | 16.22 (72.7)* | 26/26 (100) | 22/22 (100) |
Preterm (A) | 9/58 (15.5) | 91/198 (45.9)** | 39/58 (67.2) | 169/206 (82.0)* | 53/54 (98.0) | 203/206 (98.5) |
Preterm (B) | N/A | 87/214 (40.7) | N/A | 178/228 (78.1) | N/A | 218/219 (99.5) |