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Table 6 Odds ratios for more positive responses in telephone interviews

From: A randomized trial of mailed questionnaires versus telephone interviews: Response patterns in a survey

Theme Number of mode-sensitive* items Median (and maximum) odds ratio among mode-sensitive items Number of mode-sensitive items Median (and minimum) odds ratio among mode-sensitive items
  with OR>1 with OR<1
Health behaviour     
Medicine 0 - 0 -
Smoking 0   0 -
Self assessments     
Self-esteem 4 1.99 (2.97) 4 0.88 (0.70)
Well-being 8 1.60 (2.01) 1 (0.75)
Depression 3 1.74 (1.82) 0 -
Stress 11 1.64 (2.27) 1 (0.73)
  1. * Items where the hypothesis of identical distributions among telephone respondents and respondents to mailed questionnaires was rejected.
  2. OR, odds ratio.
  3. Since OR<1