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Table 4 Summary of the success of the six methods of identification and recruitment

From: Evaluating acupuncture and standard care for pregnant women with back pain: the EASE Back pilot randomised controlled trial (ISRCTN49955124)

  1. Research midwives in usual antenatal clinics 2. Screening questionnaire at 20-week scan 3. Screening of women’s health physiotherapy referrals 4. Research midwives or obstetricians give women EASE Back card 5. Community midwives or GPs give women EASE Back card 6. Self-referral Total
Total number of women identified n (%) 28 (7.2) 199 (51.3) 49 (12.6) 3 (0.8) 73 (18.8) 36 (9.3) 388
Potentially eligible n 19 157 29 2 52 21 280
Randomised n (% of total women identified) 12 (42.9) 48 (24.1) 8 (16.3) 2 (66.7) 39 (53.4) 16 (44.4) 125 (32.2)
Randomised n (% of potentially eligible) 12 (63.2) 48 (30.6) 8 (27.6) 2 (100.0) 39 (75.0) 16 (76.2) 125 (44.6)
  1. Column headings are the six methods of identifying and recruiting women