Table 2.

Principal components analysis, varimax rotation, loadings > 0.4

	Communalities	PC1	PC2	PC3	PC4
Deprivation
Average IMD score	0.96		0.94
Average rank	0.94		0.92
Extent, %	0.93		0.93
Local concentration	0.83		0.90
Cervical screening, ages 25-49 year	0.74	0.43		0.55
Childhood immunisation
DT/IPV, age 5	0.82	0.83
DTaP/IPV, age 5	0.88	0.89
MMR1, age 5	0.89	0.92
MMR2, age 5	0.89	0.91
DTaP/IPV/Hib, age 2	0.85	0.89
MMR, age 2	0.87	0.92
MenC, age 2	0.74	0.83
Chlamydia: positive test results	0.65		0.55	0.56
Ethnic composition
White	0.93	0.42		0.81
Asian	0.82			-0.85
Black	0.79	-0.67		-0.51
Other	0.74	-0.50		-0.62
QOF scores
QOF Clinical	0.58				0.61
QOF Organisation	0.83				0.91
QOF Patient experience	0.66				0.73
QOF Additional services	0.84				0.76
% of variance explained		32.7	19.9	15.4	13.9