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Table 2 Characteristics of included studies and questionnaires

From: Satisfaction and experience with colorectal cancer screening: a systematic review of validated patient reported outcome measures

Included studies (n = 80) N %
Continent
 North America 38 47.5
 Europe 26 32.5
 Asia 8 10.0
 Oceania 6 7.5
 Other 2 2.5
Year of publication
  < 2005 24 30.0
 2005–2010 14 17.5
  > 2010 42 52.5
Study design
 Experimental or quasi-experimental 28 35.0
 Other study designs, patient experience/satisfaction is an outcome 47 58.7
 Study on the development or validation of a questionnaire 5 6.2
Administration of questionnairesa 75  
 Self-reported 70 93.3
 By telephone 3 4.0
 Not reported 2 2.7
Availability of the questionnairea
 Yes 32 42.7
 No 43 57.3
Original language of the questionnairea
 English 61 81.3
 Spanish 4 5.3
 Chinese 2 2.7
 Korean 2 2.7
 Other 6 8.0
Origin of the questionnaire useda
 Development of a new questionnaire for the study 51 68.0
 Derived from an existing questionnaire 12 16.0
 Use of an existing questionnaire 8 10.7
 Not reported 4 5.3
Aspects/interventions assesseda
 Bowel preparation 11 14.7
 Bowel relaxant 1 1.3
 Colonoscopy 32 42.7
 Diet 1 1.3
 Stool test 13 17.3
 Pre-colonoscopy consultation 2 2.7
 Sigmoidoscopy 12 16.0
 CT-colonography 2 2.7
 Whole screening program 1 1.3
  1. an = 75 questionnaires in 80 studies