Influence of cohort effect on growth and sleep patterns assessed at 18 months in term infants*
| SGA | AGA | p | |||||
|---|---|---|---|---|---|---|---|
| n | Mean | SE | n | Mean | SE | ||
| *ANCOVA adjusting for measurement at 12 weeks, weaning behaviour (solids ⩽12 weeks v >12 weeks), milk feeding (breast v formula), gender, and (for term infants) whether AGA or SGA. Adjusted means are shown. | |||||||
| Weight gain (kg) | 337 | 10.79 | 0.06 | 339 | 10.8 | 0.06 | NS |
| Length gain (kg) | 338 | 81.4 | 0.15 | 339 | 80.9 | 0.15 | 0.03 |
| Head circumference gain (cm) | 339 | 48.3 | 0.06 | 341 | 48.0 | 0.06 | 0.001 |
| Triceps skinfold gain (cm) | 337 | 8.8 | 0.12 | 339 | 8.9 | 0.13 | NS |
| Subscapular skinfold gain (mm) | 337 | 6.2 | 0.07 | 338 | 6.3 | 0.08 | NS |
| Sleep duration 9 mth (h) | 359 | 11.2 | 0.08 | 828 | 11.4 | 0.06 | NS |
| Sleep duration 18 mth (h) | 342 | 11.5 | 0.08 | 780 | 11.6 | 0.06 | NS |