Difference between first and second generation mothers; for those born Indian subcontinent (first generation) or UK (second generation)
| First generation (n=1435) | Second generation (n=283) | Between generation comparison | ||||
|---|---|---|---|---|---|---|
| Mean | 95% confidence intervals | Mean | 95% confidence intervals | t Statistic | p Value | |
| Average age at booking | 26.4 | 26.2 to 26.7 | 22.9 | 22.5 to 23.4 | 11.0 | <0.01 |
| Parity | 2.88 | 2.78 to 2.98 | 2.02 | 1.88 to 2.16 | 6.7 | <0.01 |
| Gestational age | 39.7 | 39.6 to 39.8 | 39.5 | 39.4 to 39.7 | 2.2 | 0.03 |
| Maternal height | 156.1 | 155.8 to 156.4 | 155.6 | 155.1 to 156.1 | 2.1 | 0.03 |
| Maternal weight at booking | 59.8 | 59.3 to 60.3 | 57.9 | 57.1 to 58.7 | 3.5 | <0.01 |
| Birth weight | ||||||
| Unadjusted | 3133 | 3108 to 3157 | 3046 | 2992 to 3099 | 2.7 | 0.01 |
| Boys | 3195 | 3161 to 3229 | 3138 | 3062 to 3215 | 1.0 | 0.31 |
| Girls | 3071 | 3038 to 3105 | 2950 | 2877 to 3022 | 2.9 | 0.01 |
| Adjusted | 3120 | 3080 to 3160 | 3119 | 2958 to 3280 | 0.5 | 0.5 |
| Head circumference | ||||||
| Unadjusted | 33.86 | 33.8 to 33.9 | 33.45 | 33.3 to 33.6 | 4.5 | <0.01 |
| Adjusted | 33.73 | 33.6 to 33.9 | 33.92 | 33.4 to 34.4 | 0.3 | 0.60 |