Table 1 Child and parent demographics by wave
|  | Pre-COVID-19 Mar 2017-May 2018 N = 1296 | Wave 1 Jun 2021-Dec 2021 N = 393 | Wave 2 Jan 2022-Jul 2022 N = 436 | |||
|---|---|---|---|---|---|---|
Child age: mean (SD) | 11.0 | (0.4) | 10.9 | (0.4) | 11.1 | (0.3) |
Child gender: N (%) | ||||||
 Male | 616 | (48%) | 198 | (50%) | 212 | (49%) |
 Female | 680 | (52%) | 183 | (49%) | 224 | (51%) |
 Other |  |  | 2 | (1%) | 0 | (0%) |
Parent age: N (%) | ||||||
  < 39 yrs | 248 | (23%) | 118 | (30%) | 121 | (28%) |
 40–44 yrs | 414 | (39%) | 136 | (35%) | 147 | (34%) |
 45 + yrs | 401 | (38%) | 134 | (35%) | 161 | (38%) |
Parent gender: N (%) | ||||||
 Male | 294 | (27%) | 91 | (23%) | 97 | (23%) |
 Female | 794 | (73%) | 297 | (77%) | 332 | (77%) |
 Other |  |  | 1 | (< 1%) | 0 | (0%) |
Parent ethnicity: N (%) | ||||||
 White British | 944 | (87%) | 310 | (85%) | 323 | (82%) |
 White other | 57 | (5%) | 24 | (7%) | 27 | (7%) |
 Black/African/Caribbean/Asian | 56 | (5%) | 21 | (6%) | 33 | (8%) |
 Mixed/Other | 26 | (2%) | 8 | (2%) | 10 | (3%) |
Highest household education: N (%) | ||||||
 Below University degreea | 555 | (47%) | 131 | (34%) | 162 | (38%) |
 University degree or highera | 636 | (54%) | 257 | (66%) | 267 | (62%) |