The effect of survey method on survey participation: Analysis of data from the Health Survey for England 2006 and the Boost Survey for London

Table 1 Household response rates by sample type and area characteristics

	Household response rates
	Core ^a %	Boost ^b %	Significance P-value
PCT spearhead status
Non-Spearhead	55	62	< 0.001
Spearhead	63	61	0.463
Location
Inner London PCTs	60	60	0.687
Outer London PCTs	57	62	0.001
Index of Multiple Deprivation (IMD) (quintiles)
Least deprived (< 11.9)	52	62	0.001
2^nd least deprived (11.9 to 19.2)	58	62	0.163
Middle quintile (19.3 to 27.7)	54	62	0.009
2^nd most deprived (27.7 to 37.9)	65	59	0.037
Most deprived (> 37.9)	61	62	0.644
Proportion of minority ethnic population (quintiles)
Lowest density (< 12.1%)	56	59	0.253
2^nd lowest density (12.1-19.0)	56	62	0.078
Middle quintile (19.1-27.2)	58	63	0.058
2^nd highest density (27.2-39.6)	55	61	0.045
Highest density (> 39.6%)	63	61	0.515
Proportion of non-manual heads of households (quintiles)
Lowest density (< 53.0)	65	63	0.632
2^nd lowest density - 53.0 to 61.8	60	59	0.870
Middle quintile - 61.9 to 69.7	57	59	0.535
2^nd highest density - 69.8 to 78.0	54	64	0.001
Highest density (> 78.0)	53	61	0.007
All	58	61	0.005

ISSN: 1471-2288