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. Author manuscript; available in PMC: 2011 Oct 12.
Published in final edited form as: J Am Board Fam Med. 2010 Jul-Aug;23(4):534–541. doi: 10.3122/jabfm.2010.04.100019

Table 1.

Outcome of Varied Survey Appearance

Total Invited Completed Survey Did Not Complete Survey OR 95% CI p-value *A-OR 95% CI p-value
Trifold 1087 313 (29%) 774 (71%) 1.0 1.00
Trifold & Plain 1385 428 (31%) 957 (69%) 1.11 [.93, 1.32] .256 1.11 [0.93, 1.32] .244
Plain 1498 563 (38%) 926 (62%) 1.50 [1.27, 1.78] <.001 1.51 [1.28, 1.79] <.001
*

Odds Ratio for survey completion versus refusal or non-response, adjusted for sex and age.