Table 1 Study characteristics
Study ID | Study topic | Number of practices | Number of participants | Mean cluster size | Number of measures available |
|---|---|---|---|---|---|
1 | GRACE trial – antibiotics for lower respiratory tract infection [15] | 67 | 2061 | 31 | 3 |
2 | Internet Doctor – self management of respiratory tract infections [16] | 34 | 3044 | 90 | 6 |
3 | Internet based vestibular rehabilitation for dizziness [17] | 55 | 296 | 5 | 4 |
4 | PIPS – ibuprofen, paracetamol and steam for respiratory tract infections [18] | 25 | 889 | 36 | 5 |
5 | POWER plus – management of obesity [19] | 56 | 818 | 15 | 6 |
6 | PRIMIT – handwashing to modify respiratory tract infection transmission [20] | 344 | 20,066 | 58 | 4 |
7 | SNIFS – Steam inhalation & nasal irrigation for sinus symptoms [21] | 72 | 961 | 13 | 5 |
8 | TASTE – Probiotics and chewing gum for sore throat [22] | 82 | 1009 | 11 | 2 |
9 | AIRS – Autoinflation for children with otitis media [23] | 39 | 320 | 8 | 2 |
10 | GNOME – Topical intranasal corticosteroids in children with otitis media [24] | 76 | 217 | 3 | 2 |
11 | ATEAM – Alexander technique, exercise, massage for chronic back pain [25] | 64 | 579 | 9 | 6 |
12 | ASCOT – Antibiotics and topical nasal steroid for sinusitis [26] | 58 | 240 | 4 | 2 |
13 | Antibiotic prescribing for conjunctivitis [27] | 30 | 307 | 10 | 2 |
14 | Leaflet and antibiotic prescribing for lower respiratory tract infection [28] | 37 | 807 | 22 | 2 |
15 | PIPO – probiotics for prevention of otitis media in childrena | 13 | 267 | 21 | 2 |
16 | THREAD – SSRI for depression [29] | 115 | 220 | 2 | 3 |
17 | MIBS – management of irritable bowel syndrome [30] | 26 | 135 | 5 | 5 |