Table 7 Odds ratio (OR) of recruiting a pregnant woman by recruitment method* (n = 2685)
From: You are how you recruit: a cohort and randomized controlled trial of recruitment strategies
Number of recruits | Odds ratio | p-value | |
|---|---|---|---|
[95% CI] | |||
Fax | 28% | Reference | |
(308/1112) | |||
Direct | 43% | 1.93 | 0.40 |
(17/40) | (0.41 - 9.01) | ||
In-clinic | 31% | 1.02 | 0.81 |
(399/1291) | (0.84 - 1.25) | ||
Media | |||
Free-media | 68.0% | 12.99 | <0.001 |
(77/114) | (4.18 - 40.43) | ||
Paid-media | 72.0% | 4.63 | <0.001 |
(86/120) | (2.08 - 10.31) | ||
Tradeshows | |||
No raffle was held | 21% | 0.56 | <0.001 |
(82/398) | (0.41 - 0.75) | ||
A raffle was held | 12% | 0.28 | <0.001 |
(11/92) | (0.14 - 0.58) | ||