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Table 9 Demographics for referrals for media (free and paid)

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

  Free-media Paid media
   Postal Free-to-read Transit Internet Radio Trade specific publication Paid-to-read Birth issues
  n = 41 n = 17 n = 197 n = 230 n = 430 n = 207 n = 1107 n = 43 n = 1712
Mean age (SD) 30.6 (4.8) 29.9 (3.8) 30.8 (5.1) 31.1 (4.3) 31.3 (4.3) * 30.2 (4.5) 30.7 (4.6) 30.4 (3.6) 30.5 (4.6)
n = 13 n = 10 n = 44 n = 83 n = 147 n = 63 n = 379 n = 19 n = 589
Above 24 weeks GA 45.00% 41.18% 52.97% 52.34% 56.35% 44.22%* 55.88% 76.19%* 55.66%
n = 18 n = 7 n = 98 n = 112 n = 235 n = 88 n = 594 n = 32 n = 915
Mean income quintile (SD) 2.8 (1.4) 2.9 (1.5) 3.4 (1.3) 3.4* (1.4) 3.1 (1.4) 3.0 (1.4) 3.1 (1.4) 3.1 (1.4) 3.1 (1.4)
  n = 32 n = 17 n = 152 n = 193 n = 372 n = 159 n = 939 n = 42 n = 1466
  1. *p < 0.05.