Skip to main content

Table 2 Response rates by mode of administration

From: A randomised trial and economic evaluation of the effect of response mode on response rate, response bias, and item non-response in a survey of doctors

  All doctors Simultaneous mixed Sequential mixed Online
a) Total 2,702 900 900 902
b) Useable responses (with at least one question answered) 476 175 185 116
c) Refusal (i.e. paper copy returned blank, declined) 11 5 4 2
d) No contact (return to sender) 58 18 15 25
e) No responses 2,133 690 690 753
f) Not eligible (i.e. retired, no longer in clinical practice) 24 12 6 6
Response rate (b/(a-f)) 17.77% 19.71% 20.69% 12.95%
Contact rate ((b+c+e))/(a-f)) 97.83% 97.97% 98.32% 97.21%