Table 3 Characteristics of included studies according to KIDSCREEN version, cut point, age range and gender
Study characteristics | N (%) | Only self-reported n (%) | Only proxy-reported n (%) | Self and proxy n (%) |
|---|---|---|---|---|
Total number of included studies | 253 | 226 (89) | 10 (4) | 17 (7) |
Kidscreen 10 | 92 (36) | 82 (89) | 4 (4) | 6 (7) |
Kidscreen 27 | 80 (31) | 70 (88) | 5 (6) | 5 (6) |
Kidscreen 52 | 82 (33) | 74 (90) | 1 (1) | 7 (9) |
Cutpoint used for Kidscreen | 13 (5) | 11 | 1 | 1 |
6–7 age range | 20 (8) | 12 (60) | 3 (15) | 5 (25) |
8–11 age range | 150 (59) | 127 (85) | 7 (5) | 16 (11) |
12–15 age range | 186 (74) | 166 (89) | 5 (3) | 15 (8) |
16–18 age range | 127 (50) | 110 (87) | 2 (2) | 15 (12) |
Total number of girls in all studies combined | 352,410 (52) | – | – | |
Total number of boys in all studies combined | 325,992 (48) | – | – |