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Table 6 Recruitment rates and number needed to screen for the different types of clinics

From: A digital decision support system (selfBACK) for improved self-management of low back pain: a pilot study with 6-week follow-up

  Physiotherapy clinics Chiropractic clinics General practice Spine Center (DK only) Total
Norway
 No. screened (%) 12 (41.4) 8 (27.6) 9 (31.0) 29
 No. included (%) 8 (40.0) 6 (30.0) 6 (30.0) 20
 No. needed to screen 1.5 1.3 1.5 1.5
Denmark
 No. screened (%) 13 (25.5) 26 (51.0) 0 (0.0) 12 (23.5) 51
 No. included (%) 12 (38.7) 12 (38.7) 0 (0.0) 7 (22.6) 31
 No. needed to screen 1.0 2.2 1.7 1.6
Total
 No. screened (%) 25 (31.3) 34 (42.5) 9 (11.3) 12 (15.0) 80*
 No. included (%) 20 (39.2) 18 (35.3) 6 (11.8) 7 (13.7) 51
 No. needed to screen 1.3 1.9 1.5 1.7 1.6
  1. *The table provides information on the participants screened. Additionally, 13 participants consented to be contacted but we were unable to reach and screen these (Denmark n = 9, Norway n = 4)