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Table 2 Item non-response by questionnaire length

From: Effect of questionnaire length, personalisation and reminder type on response rate to a complex postal survey: randomised controlled trial

Section Item non-response (%) p
  Long Short  
Overall 9.8 5.8 .04
   A. Your neighbourhood and local area 2.8 2.5 .73
   B. Walking and cycling 12.9 4.9 .01
   C. Your travel 12.5 9.5 .27
   D. Activities at home 6.5 n/a -
   E. Activities at work or place of study 12.4 8.6 .35
   F. Recreational activities 15.1 8.3 .11
   G. You and your household 6.0 9.6 .05