Characteristics of the infants in the Cambridge infant growth study
| Boys (n= 135) | Girls (n= 117) | |
|---|---|---|
| Birth weight (kg, mean (SD)) | 3.38 (0.50) | 3.40 (0.40) |
| Parity (%) | ||
| 1 | 38 | 48 |
| 2 | 46 | 28 |
| 3 or more | 16 | 24 |
| Breast feeding (%) | ||
| Birth | 86 | 88 |
| 12 weeks | 67 | 69 |
| 24 weeks | 56 | 61 |
| 52 weeks | 21 | 21 |
| Introduction to solids | ||
| Mean age (weeks (SD)) | 13.6 (4.0) | 14.5 (4.5) |
| 8 weeks (%) | 10 | 4 |
| 12 weeks (%) | 55 | 35 |
| 16 weeks (%) | 76 | 78 |
| 24 weeks (%) | 100 | 97 |
| Weight (kg, mean (SD)) | ||
| 12 weeks | 6.00 (0.70) | 5.57 (0.62) |
| 24 weeks | 7.70 (0.84) | 7.20 (0.78) |
| 52 weeks | 9.88 (1.02) | 9.29 (0.95) |
| 104 weeks | 12.30 (1.37) | 11.81 (1.07) |