Mean scores* with 95% CIs in parentheses for the childhood mediators by breastfeeding status
| 1958 cohort | 1970 cohort | |||
|---|---|---|---|---|
| Not breast fed | Breast fed | Not breast fed | Breast fed | |
| Cognitive test score† | 98.06 (97.63 to 98.49) | 101.13 (100.83 to 101.42) | 98.36 (98.05 to 98.67) | 102.11 (101.64 to 102.57) |
| Maternal reported emotional stress score‡ | −0.013 (−0.043 to 0.018) | 0.002 (−0.020 to 0.023) | 0.026 (0.006 to 0.045) | −0.030 (−0.059 to −0.001) |
| Teacher reported emotional stress score‡ | 0.058 (0.028 to 0.088) | −0.039 (−0.059 to −0.020) | 0.034 (0.013 to 0.055) | −0.048 (−0.079 to −0.017) |
| Upwardly mobile | Downwardly mobile | Upwardly mobile | Downwardly mobile | |
| Cognitive test score† | 101.26 (99.80 to 100.71) | 97.43 (96.83 to 98.02) | 99.78 (99.39 to 100.17) | 96.74 (96.16 to 97.33) |
| Maternal reported emotional stress score‡ | −0.048 (−0.075 to −0.021) | 0.066 (0.029 to 0.104) | 0.032 (0.004 to 0.060) | 0.032 (−0.007 to 0.071) |
| Teacher reported emotional stress score‡ | −0.116 (−0.142 to −0.091) | 0.141 (0.101 to 0.180) | −0.028 (−0.063 to 0.006) | 0.126 (0.076 to 0.176) |
*Data averaged over 20 filled-in datasets after propensity score matching has been applied with sample sizes 16 039–16 154 (1958 cohort) and 16 255–16 361 (1970 cohort).
†Scores standardised to have mean 100, SD 15.
‡Scores standardised to have mean 0, SD 1.