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Table 1 Descriptive statistics for and correlations between study variables

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

Variable N M SD Pearson correlation
2 3 4 5
1. IQ, mother 5939 100.00 15.00 0.506 0.518 0.385 0.393
2. IQ, child 1 3950 102.80 11.30 - 0.548 0.288 0.254
3. IQ, child 2 2996 101.73 11.31   - 0.276 0.270
4. BFa, child 1 4564 0.39 0.49    - 0.680
5. BFa, child 2 1771 0.40 0.49     -
  1. aBreastfeeding, dichotomous variable; Note: All correlations are significant (p < 0.001)