Table 2. UPBEAT 3-year follow-up: Comparison of neonatal characteristics, of those who attended the 3-year follow-up, by randomisation arm.
| Intervention | Control | Difference in means/ OR (95% CI) | ||||
|---|---|---|---|---|---|---|
| Mean (SD)/ N (%) | ||||||
| Birth characteristics | Gestation at birth (weeks) | 250 | 39.8 (1.5) | 264 | 39.5 (2.2) | 0.25 (-0.07 to 0.58) |
| Anthropometry | Birthweight (grams) | 250 | 3523 (526) | 264 | 3426 (578) | 97.2 (1.3 to 193.0) |
| Birthweight >4kg | 250 | 40 (16) | 264 | 28 (11) | 1.6 (0.95 to 2.69) | |
| LGA >90th Centile * | 250 | 39 (15) | 264 | 25 (9) | 1.76 (1.03 to 3.01) | |
| Subscapular skinfold thickness (mm) | 113 | 5.7 (1.4) | 113 | 5.5 (1.3) | 0.24 (-0.13 to 0.61) | |
| Triceps skinfold thickness (mm) | 115 | 5.3 (1.3) | 119 | 5.2 (1.6) | 0.08 (-0.30 to 0.47) | |
| Neonatal feeding history at 72 hrs | Formula feeding | 249 | 47 (19) | 264 | 53 (20) | 0.91 (0.58 to 1.43) |
| Breast feeding | 158 (63) | 163 (62) | Ref | |||
| Partially breastfeeding | 44 (18) | 48 (18) | 0.94 (0.59 to 1.50) | |||
Abbreviations: CI, confidence intervals; LGA, large for gestational age; OR, odds ratio; SD, standard deviation.
*
Customised birthweight centile adjusting for maternal height and weight, ethnicity, parity and sex of the infant.