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Table 10 Media (free and paid) recruitment method on number of referrals and number of recruits ordered from best dollar for value to most expensive dollar value

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

  Total Media specific
  # of days Number of recruits Recruits/day $/recruit Odds ratio (95% CI) of recruiting someone $/OR of recruiting someone Number of recruits Recruits/day $/recruit
Free-media 11 10 0.91 0 0.66 (0.35 - 1.26) 0 3 0.27 0
Paid-media          
  Birth Issues 367 514 1.40 $1.56 1.97* (1.64 - 2.37) $0.79 56 0.15 $14.29
Trade-specific publication 225 338 1.50 $16.59 1.25* (1.04 - 1.50) $13.27 39 0.17 $143.77
Internet 77 132 1.71 $22.35 1.49* (1.21 - 1.84) $15.00 7 0.09 $421.43
Free –to-read print 18 47 2.61 $63.44 3.25* (2.34 - 4.51) $19.52 21 1.17 $141.98
Radio 53 53 1.00 $108.68 1.51* (1.13 - 2.03) $71.97 8 0.15 $720.00
Paid–to-read print 6 19 3.17 $267.37 1.92* (1.21 - 3.07) $139.26 2 0.33 $2540.00
Transit 69 74 1.07 $31.08 1.15 (0.89 - 1.48) $27.03 18 0.26 $127.78
Postal 3 4 1.33 $112.87 1.57 (0.58 - 4.20) $71.89 0 0.00 N/A
Mon-Thurs. vs. Fri      1.97* (1.61 - 2.41)     
Sat-Sun vs. Fri      0.24* (0.17 - 0.33)     
Low season vs. high season      0.59* (0.49 - 0.71)     
  1. Low season is defined as July, August and December.
  2. Autocorrelation of 2 days is considered in the model. A model of 1,3, and 4 days was tested. The 2 day model was provided the best model fit.
  3. *p < 0.05.