Adjusted trends in birth weight (mean and 95% CI) by generation, based on full term births and only for mothers born in the Indian subcontinent (first generation) or the UK (second generation)
| First generation | Second generation | |||||
|---|---|---|---|---|---|---|
| Number | Adjusted mean* | 95% Confidence intervals | Number | Adjusted mean* | 95% Confidence intervals | |
| *Adjusted for: sex of baby; mother’s ethnic group and place of birth; gestation recalculated (weeks); mother’s age at booking; parity; weight at booking adjusted to 15 weeks. | ||||||
| <1965 | 35 | 3192 | 3046 to 3339 | |||
| 1966–1970 | 143 | 3072 | 2997 to 3148 | |||
| 1971–1975 | 49 | 3133 | 3011 to 3256 | 5 | 2771 | 2416 to 3127 |
| 1976–1980 | 102 | 2974 | 2887 to 3060 | 7 | 2910 | 2606 to 3213 |
| 1981–1985 | 311 | 3126 | 3077 to 3175 | 43 | 3015 | 2887 to 3143 |
| 1986–1990 | 370 | 3145 | 3100 to 3190 | 98 | 3083 | 3003 to 3163 |
| 1991 and above | 283 | 3220 | 3168 to 3273 | 124 | 3042 | 2968 to 3117 |