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Table 2 The effect (with 95% CI) of breastfeeding on intergenerational change in intelligence in the full sample (N = 6283) as well as two random subsamples (N = 3142 and N = 3141, respectively). Separately for three alternative latent change score models (see Fig. 2 for illustration) as well as for first and second child

From: Regression to the mean in latent change score models: an example involving breastfeeding and intelligence

Child/Model Full sample Subsample 1 Subsample 2
Child 1
  Forward, Adj 2.67 (1.96; 3.37) 2.68 (1.67; 3.69) 2.65 (1.67; 3.64)
  Backward, Adj 8.09 (7.23; 8.94) 8.16 (6.93; 9.38) 8.02 (6.83; 9.22)
  Forward, Noadj -5.13 (-5.98; -4.27) -5.23 (-6.45; -4.01) -5.02 (-6.23; -3.82)
Child 2
  Forward, Adj 1.47 (0.32; 2.62) 1.68 (0.15; 3.21) 1.23 (-0.49; 2.96)
  Backward, Adj 8.63 (7.32; 9.94) 8.09 (6.24; 9.94) 9.12 (7.26; 11.0)
  Forward, Noadj -6.17 (-7.50; -4.83) -5.88 (-7.70; -4.06) -6.47 (-8.42; -4.51)