Table 1.
Response rates to the AUSPICE Vaxtracker first (N=4725) and final survey (N=4682).
| Survey attributes by survey type | Male, n (%) | Female, n (%) | P value | ||
| First survey |
|
|
|
||
|
|
Number of people enrolled | 2432 (51.47) | 2293 (48.53) | —a | |
|
|
Overall response rate | 2403 (98.81) | 2279 (99.39) | .04 | |
|
|
Response rate by participants | 2330 (95.81) | 2228 (97.17) | .01 | |
|
|
Response rate via link type |
|
|
|
|
|
|
|
Email link | 1440 (61.38) | 1333 (60.15) | .40 |
|
|
|
SMSb text message link | 890 (38.54) | 895 (40.77) | .13 |
|
|
By device type |
|
|
|
|
|
|
|
Mobile device (mobile phone/tablet) | 1151 (47.29) | 1337 (58.31) | <.001 |
|
|
|
Computer (desktop/laptop) | 1179 (48.48) | 891 (38.86) | <.001 |
| Final surveyc |
|
|
|
||
|
|
Number of people eligible for final survey | 2403 (51.32) | 2279 (48.68) | — | |
|
|
Overall response rate | 2387 (99.33) | 2261 (99.21) | .63 | |
|
|
Response rate by participants | 2313 (96.25) | 2212 (97.06) | .12 | |
|
|
Response via link type |
|
|
|
|
|
|
|
Email link | 1525 (66.65) | 1368 (61.98) | .01 |
|
|
|
SMS text message link | 788 (34.44) | 844 (38.66) | .003 |
|
|
By device type |
|
|
|
|
|
|
|
Mobile device (mobile phone/tablet) | 1104 (45.94) | 1369 (60.07) | <.001 |
|
|
|
Computer (desktop/laptop) | 1209 (50.31) | 843 (33.99) | <.001 |
aNot applicable.
bSMS: short message service.
cOnly participants completing the first survey, online or via a study site staff member, received the second survey.