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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
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BMC Medical Research Methodology

ISSN: 1471-2288

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