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Table 4 Demographics of referrals and recruits by recruitment method for all studies

From: You are how you recruit: a cohort and randomized controlled trial of recruitment strategies

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  (Reference)     
Referrals      
Mean age (SD) 30.2 (5.0) 30.4 (4.8) 30.8 (4.6) 33.0 (5.2) 31.0 (4.9)
n = 1888 n = 480 n = 114 n = 14 n = 45
Above 24 weeks GA 57.98% 55.04% 60.83% 51.22% 14.68%*
(1144/1973) (879/1597) (368/605) (21/41) (43/293)
Mean income quintile (SD) 3.3 (1.4) 2.9* (1.4) 3.2 (1.3) 2.3* (1.5) 3.2 (1.4)
n = 2044 n = 1479 n = 531 n = 7 n = 58
Recruits      
Mean age (SD) 30.9 (4.5) 30.7 (4.7) 31.0 (4.4) 33.3 (5.5) 31.2 (4.9)
n = 301 n = 388 n = 91 n = 12 n = 42
Above 24 weeks GA 45.36% 54.39%* 54.95% 68.75% 11.25%*
(137/302) (217/399) (50/91) (11/16) (18/160)
Mean income quintile (SD) 3.5 (1.3) 3.0* (1.4) 3.2 (1.3) n < 5 3.4 (1.5)
  n = 290 n = 366 n = 79   n = 36
  1. *p ≤ 0.05 All analysis are adjusting for recruiting study.
  2. Income Quintiles range from 1 - 5.