Table 4

Intercorrelations, reliability and concurrent validity of factors

SociodemographicGeographical environmentsHealth conditionsRisk factors
Correlations between factors
 Sociodemographic1
 Geographical environments0.471
 Health conditions0.210.101
 Risk factors0.330.180.761
Reliability (Cronbach’s α)
0.750.840.710.63
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.