Pearson correlations childhood cognitive ability, personality traits, physical health variables, and demographic variables.

Note: Variables were scored such that a higher score indicated being female, a more professional occupation for the parent and higher age parents left school, a higher verbal and non-verbal ability scores, highest educational qualification, more professional occupation, a higher scores on health conditions, a higher score on physical health variables, a higher score on Emotional Stability, and a higher score on Conscientiousness. The numbers in bold are the correlation coefficients between the outcome measures and other covariates.