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Table 5 Population and sample difference in deprivation quintiles

From: Increasing questionnaire response: evidence from a nested RCT within a longitudinal birth cohort study

 Quintile 1 (least deprived)Quintile 2Quintile 3Quintile 4Quintile 5 (most deprived)
Population7%16%21%30%26%
Sample of those consented8%17%22%29%24%
Sample of those responding10%21%26%26%17%
Difference between responded and population3%5%5%-4%-9%