Table 1 Participant characteristics of the child sample and the adolescent sample
From: Sleep-related difficulties in healthy children and adolescents
Child sample (n = 855) | Adolescent sample (n = 1,047) | |||
|---|---|---|---|---|
n (%) | mean (SD) | n (%) | mean (SD) | |
Gender | ||||
Male | 434 (50.8) | 508 (48.5) | ||
Female | 421 (49.2) | 539 (51.5) | ||
Age (y) | 7.2 (1.79) | 13.2 (2.16) | ||
4–5 | 249 (29.1) | |||
6–7 | 251 (29.4) | |||
8–9 | 355 (41.5) | |||
10–11 | 365 (34.9) | |||
12–13 | 288 (27.5) | |||
14–15 | 260 (24.8) | |||
16–17 | 134 (12.8) | |||
SES a | 13.4 (3.39) | 12.7 (3.47) | ||
Low | 82 (9.6) | 147 (14.0) | ||
Middle | 499 (58.4) | 640 (61.1) | ||
High | 274 (32.0) | 260 (24.8) | ||
n (%) b | missing (%) | n (%) b | missing (%) | |
School education | 232 (27.1) | 455 (43.4) | ||
Low | 17 (2.7) | 30 (5.1) | ||
Middle | 179 (28.7) | 224 (37.9) | ||
High | 413 (66.3) | 318 (53.8) | ||
Living with child | 42 (4.91) | 270 (25.8) | ||
Mother | 803 (98.8) | 755 (97.2) | ||
Father | 601 (73.9) | 522 (67.2) | ||
Own nursery | 684 (84.1) | 42 (4.91) | 716 (92.3) | 271 (25.9) |