Description | HIC n=295 (%) | LMIC n=75 (%) | Total n=370 (%) |
Delphi only | 10 (3) | 5 (7) | 15 (4) |
Consensus conference only | 11 (4) | 4 (5) | 15 (4) |
Focus group discussions only | 1 (<1) | 0 (0) | 1 (<1) |
Nominal group techniques only | 1 (<1) | 0 (0) | 1 (<1) |
Semistructured discussions only | 64 (22) | 6 (8) | 70 (19) |
Survey only | 4 (1) | 1 (1) | 5 (1) |
Review of literature only | 32 (4) | 4 (5) | 36 (10) |
Interviews only | 1 (<1) | 0 (0) | 1 (<1) |
Mixed methods | 171/295 (58) | 55/75 (73) | 226/370 (61) |
Consensus conference and other(s) | 8 (3) | 1 (1) | 9 (2) |
Delphi and other(s) | 73(25) | 42 (56) | 115 (31) |
Focus group discussions and other(s) | 7 (2) | 7 (9) | 14 (4) |
Nominal group techniques and other(s) | 15 (5) | 11 (15) | 26 (7) |
Semi structured discussions and other(s) | 88 (30) | 33 (44) | 121 (33) |
Survey and other(s) | 25 (8) | 8 (11) | 33 (9) |
Review of literature and other(s) | 108 (37) | 45 (60) | 153 (41) |
Interviews and other(s) | 20 (7) | 7 (9) | 27 (7) |
Unstructured and other(s) | 4 (1) | 8 (11) | 12 (3) |
No methods described | 6 (2) | 1 (1) | 7 (2) |
HIC, high-income country; LMIC, low-income and middle-income country.