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Table 1 Characteristics of analysed practices

From: The implementation of academic detailing and its effectiveness on appropriate prescribing of pain relief medication: a real-world cluster randomized trial in Belgian general practices

  Intervention Control
Practices (N (%))* 1698 1703
Region
 - Flanders 912 (53.7) 919 (54.0)
 - Wallonia and Brussels 786 (46.3) 784 (46.0)
Province
 - Antwerp 225 (13.3) 222 (13.0)
 - East Flanders 331 (19.5) 334 (19.6)
 - Flemish Brabant 82 (4.8) 88 (5.2)
 - Limburg 0 (0) 0 (0)
 - West Flanders 278 (16.4) 276 (16.2)
 - Hainaut 140 (8.2) 137 (8.0)
 - Liege 198 (11.7) 191 (11.2)
 - Luxembourg 82 (4.8) 87 (5.1)
 - Namur 125 (7.4) 115 (6.8)
 - Walloon Brabant 98 (5.8) 105 (6.2)
 - Brussel 143 (8.4) 149 (8.7)
Academic detailer (n = 22)
 - ID: 47 104 (6.1) 109 (6.4)
 - ID: 59 108 (6.4) 105 (6.2)
 - ID: 64 48 (2.8) 46 (2.7)
 - ID: 72 26 (1.5) 77 (4.5)
 - ID: 77 112 (6.6) 114 (6.7)
 - ID: 79 83 (4.9) 85 (5.0)
 - ID: 81 103 (6.1) 100 (5.9)
 - ID: 82 79 (4.7) 67 (3.9)
 - ID: 86 82 (4.8) 79 (4.6)
 - ID: 92 151 (8.9) 154 (9.0)
 - ID: 96 150 (8.8) 157 (9.2)
 - ID: 97 122 (7.2) 122 (7.2)
 - ID: 99 84 (4.9) 83 (4.9)
 - ID: 100 57 (3.4) 61 (3.6)
 - ID: 101 60 (3.5) 60 (3.5)
 - ID: 105 163 (9.6) 163 (9.6)
 - ID: 114 128 (7.5) 84 (4.9)
 - Academic detailers replacing randomized academic detailers (ID: 3, 75, 88, 95, 115) 61 (3.6) 40 (2.3)
Age of academic detailer (n = 22)
 - < 40 years (n = 10) 1018 (60.0) 997 (58.5)
 - ≥ 40 years (n = 7) 609 (35.9) 593 (34.8)
- Age unknown at time of analysis (n = 5) 87 (5.1) 117 (6.9)
Education of academic detailer (n = 22)
 - Physician (n = 6) 457 (26.9) 459 (27.0)
 - Non-physician (n = 15) 1221 (71.9) 1167 (68.5)
 - Training unknown at time of analysis (n = 1) 26 (1.5) 77 (4.5)
Number of previous visits (to at least one general practitioner in the practice)
 - 1 268 (15.8) 276 (16.2)
 - 2 229 (13.5) 225 (13.2)
 - 3 222 (13.1) 210 (12.3)
 - 4 203 (12.0) 197 (11.6)
 - 5 214 (12.6) 221 (13.0)
 - 6 202 (11.9) 200 (11.7)
 - 7 183 (10.8) 190 (11.2)
 - 8 150 (8.8) 151 (8.9)
 - 9 124 (7.3) 118 (6.9)
 - 10 89 (5.2) 87 (5.1)
 - > 10 148 (8.7) 136 (8.0)
Number of general practitioners in the practice that were visited by Farmaka before
 - 1 1397 (82.3) 1399 (82.1)
 - 2 203 (12.0) 200 (11.7)
 - 3 or more 98 (5.8) 104 (6.2)
Number of general practitioners 2171 2163
Mean (SD) number of general practitioners per practice 1 (1) 1 (1)
Mean (SD) number of patients (≥ 60 years) per practice 377 (240) 373 (242)
Proportion of reimbursed prescriptions under study   
Analgesics (N02) 37.9 37.9
Paracetamol (N02BE01) 7.5 7.7
Proton pump inhibitor (A02BC) 33.1 33.2
Nonsteroidal anti-inflammatory drug (NSAID; M01A) combined with proton pump inhibitor (A02BC) 5.4 5.3
Nonsteroidal anti-inflammatory drugs (NSAIDS; M01A) 29.0 28.8
Ibuprofen (M01AE01) 6.8 6.7
Naproxen (M01AE02) 1.7 1.6
Recommended NSAIDS (M01AE01 or M01AE02) among all NSAIDS 29.3 28.8
Tilidine (N02AX01) 2.6 2.6
Tramadol (N02AX02) 9.9 9.6
  1. *Some practices are counted double in this table, e.g. practices in which general practitioners have an address in different provinces, are visited by different academic detailers, had a different number of previous visits