Table 5

Associations with failure to reach national minimum standards in year levels 3, 5 and 7

AssociationUnivariate analysisMultivariate analysis
SEOR (95% CI)P valueSEOR (95% CI)P value
Year 3
 Burn injury0.081.76 (1.49 to 2.07)<0.0010.091.41 (1.18 to 1.68)<0.001
 City school0.080.73 (0.63 to 0.85)<0.0010.090.93 (0.79 to 1.11)0.42
 Government school0.091.95 (1.63 to 2.34)<0.0010.101.61 (1.32 to 1.97)<0.001
 Parent with high school education0.080.42 (0.36 to 0.49)<0.0010.090.61 (0.51 to 0.73)<0.001
 Previous pregnancy0.081.33 (1.14 to 1.55)<0.0010.091.39 (1.16 to 1.67)<0.001
 Smoking during pregnancy0.163.95 (2.89 to 5.39)<0.0010.091.76 (1.46 to 2.12)<0.001
 Indigenous status0.082.79 (2.37 to 3.29)<0.0010.172.00 (1.42 to 2.78)<0.001
 Mother >35 years old0.010.94 (0.93 to 0.95)<0.0010.010.96 (0.94 to 0.97)<0.001
Year 5
 Burn injury0.101.49 (1.23 to 1.79)<0.0010.111.18 (0.96 to 1.45)0.12
 City school0.090.65 (0.55 to 0.78)<0.0010.100.83 (0.68 to 1.01)0.06
 Government school0.112.35 (1.90 to 2.89)<0.0010.121.85 (1.46 to 2.37)<0.001
 Parent with high school education0.090.45 (0.38 to 0.53)<0.0010.110.62 (0.51 to 0.76)<0.001
 Previous pregnancy0.091.48 (1.24 to 1.76)<0.0010.111.62 (1.32 to 2.00)<0.001
 Smoking during pregnancy0.102.76 (2.29 to 3.34)<0.0010.111.69 (1.36 to 2.11)<0.001
 Indigenous status0.165.30 (3.85 to 7.31)<0.0010.181.85 (1.56 to 2.34)<0.001
 Mother >35 years old0.010.94 (0.93 to 0.96)<0.0010.010.95 (0.93 to 0.97)<0.001
Year 7
 Burn injury0.141.34 (1.03 to 1.75)<0.050.141.13 (0.84 to 1.54)0.42
 City school0.130.59 (0.46 to 0.76)<0.0010.160.80 (0.59 to 1.08)0.15
 Government school0.142.75 (2.10 to 3.61)<0.0010.152.24 (1.63 to 3.09)<0.001
 Parent with high school education0.120.46 (0.36 to 0.58)<0.0010.180.65 (0.48 to 0.88)<0.05
 Previous pregnancy0.121.30 (1.02 to 1.65)<0.050.161.41 (1.04 to 1.92)<0.05
 Smoking during pregnancy0.143.27 (2.50 to 4.28)<0.0010.172.09 (1.50 to 2.91)<0.001
 Indigenous status0.255.00 (3.08 to 8.11)<0.0010.272.65 (1.55 to 4.50)<0.001
 Mother >35 years old0.010.95 (0.93 to 0.97)<0.0010.010.98 (0.96 to 1.01)0.21