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Table 4 Time to response overall and initial questionnaire by randomised group and overall

From: Randomised study within a trial (SWAT) to evaluate personalised versus standard text message prompts for increasing trial participant response to postal questionnaires (PROMPTS)

 

Standard text (N = 309)

Personalised text (N = 309)

Overall (N = 618)

Overall response rate

260 (84%)

277 (90%)

537 (87%)

Time to response (days)

Range (min to max)

3 to 125

2 to 95

2 to 125

Median (IQR)

14 (7, 31)

12 (7, 29)

13 (7, 30)

Returned initial questionnaire

159 (52%)

185 (60%)

344 (56%)

Time to initial response (days)

Range (min to max)

3 to 26

2 to 95

2 to 95

Median (IQR)

7 (6 to 12)

7 (6 to 12)

7 (6 to 12)