Table 4

Intercorrelations, reliability and concurrent validity of factors

 Sociodemographic Geographical environments Health conditions Risk factors Correlations between factors Sociodemographic 1 Geographical environments 0.47 1 Health conditions 0.21 0.10 1 Risk factors 0.33 0.18 0.76 1 Reliability (Cronbach’s α) 0.75 0.84 0.71 0.63 Association with academic performance (concurrent validity) β (95% CI)* −66.89 (−75.08 to −58.70) −51.70 (−58.48 to −44.91) −27.03 (−39.29 to −14.77) −36.85 (−46.26 to −27.43)
• P<0.05 for all correlations and coefficients.

• *n=84 (1.91%) of children with a learning disability were excluded from this analysis.