Table 1 Study recruitment resolution by recruitment method and randomization group
From: Comparing recruitment strategies in a study of acupuncture for chronic back pain
| Â | Mailed Letter | Magazine Advertisement | ||
|---|---|---|---|---|
No. of responses received | 859 | 410 | ||
| Â | N | % | N | % |
Ineligible | 597 | 69 | 270 | 66 |
Refused | 36 | 4 | 14 | 3 |
Unable to contact | 15 | 2 | 4 | 1 |
Recruitment ended before eligibility asessed | 15 | 2 | 6 | 1 |
No. randomized | 196 | 23 | 116 | 28 |
| Â | Acupuncture | Usual care | Acupuncture | Usual care |
| Â | (N = 150) | (N = 46) | (N = 85) | (N = 31) |
No. treatments received | N (%) | Â | N (%) | Â |
   0 | 5 (3) | N/A | 4 (5) | N/A |
   1-7 | 11 (7) | N/A | 6 (7) | N/A |
   8-10 | 134 (89) | N/A | 75 (88) | N/A |
No. of withdrawals | Â | Â | Â | Â |
   - no follow-up | 3 (2) | 3 | 3 (4) | 0 |
   - with follow-up | 9 (6) | N/A | 6 (7) | N/A |