Table 1.
Mail‐Only (N = 172) | Mail → Web (N = 171) | Web‐Only (N = 170) | Web → Mail (N = 171) | Overall (N = 684) | Overall p‐value | |
---|---|---|---|---|---|---|
Before 2nd contact | 18 (10.5%) | 25 (14.6%) | 33 (19.4%) | 42 (24.6%) | 118 (17.3%) | .004 |
A | AB | AB | B | |||
Before 3rd contact | 35 (20.3%) | 56 (32.7%) | 54 (31.8%) | 54 (31.6%) | 199 (29.1%) | .035 |
A | B | AB | AB | |||
End of study | 57 (32.1%) | 71 (41.5%) | 65 (38.2%) | 82 (48.0%) | 275 (40.2%) | .041 |
A | AB | AB | B |
A “complete responder” is someone who answered at least 50% of survey items.
Groups sharing the same letter are not significantly different (p ≥ .01). Groups without letters in common are significantly different (p < .01).