Table 1.
Baseline characteristics of treatment groups by centre
|
London |
Manchester |
Newcastle |
Combined |
||||||
|---|---|---|---|---|---|---|---|---|---|
| PACT (n=26) | TAU (n=26) | PACT (n=26) | TAU (n=26) | PACT (n=25) | TAU (n=23) | PACT (n=77) | TAU (n=75) | ||
| Child age (months; mean, range) | 43 (29–55) | 43 (24–58) | 44 (26–58) | 45 (31–60) | 48 (33–60) | 47 (31–60) | 45 (26–60) | 45 (24–60) | |
| Girl | 2 (8%) | 2 (8%) | 2 (8%) | 4 (15%) | 2 (8%) | 2 (9%) | 6 (8%) | 8 (11%) | |
| Both parents live at home | 17 (65%) | 16 (62%) | 24 (92%) | 21 (81%) | 19 (76%) | 20 (87%) | 60 (78%) | 57 (76%) | |
| Parents' ethnic origin | |||||||||
| Both white | 9 (35%) | 4 (15%) | 16 (62%) | 18 (69%) | 21 (84%) | 19 (83%) | 46 (60%) | 41 (55%) | |
| Mixed* | 1 (4%) | 3 (12%) | 2 (8%) | 3 (12%) | 2 (8%) | 3 (13%) | 5 (6%) | 9 (12%) | |
| Non-white | 16 (62%) | 19 (73%) | 8 (31%) | 5 (19%) | 2 (8%) | 1 (4%) | 26 (34%) | 25 (33%) | |
| Mother's age at baseline (years; mean, range) | 34 (20–41) | 34 (22–47) | 32 (22–45) | 33 (23–46) | 32 (24–41) | 37 (25–48) | 33 (20–45) | 34 (22–48) | |
| Family size (mean, SD) | |||||||||
| Other children | 1·2 (0·3) | 1·2 (0·5) | 0·8 (0·3) | 0·9 (0·3) | 1·0 (0·2) | 1·2 (0·3) | 1·0 (0·3) | 1·1 (0·5) | |
| Adults | 1·7(1·2) | 1·7 (1·3) | 2·0 (1·3) | 1·8 (1·2) | 1·9 (1·2) | 1·9 (1·2) | 1·8 (1·3) | 1·8 (1·3) | |
| Education (one parent with qualifications after age 16 years) | 21 (81%) | 14 (54%) | 23 (88%) | 15 (58%) | 21 (84%) | 18 (78%) | 65 (84%) | 47 (63%) | |
| Socioeconomic status† | 17 (65%) | 9 (35%) | 18 (69%) | 14 (54%) | 16 (64%) | 21 (91%) | 51 (66%) | 44 (59%) | |
Data are number (%), unless otherwise indicated. PACT=Preschool Autism Communication Trial. TAU=treatment as usual.
*
One white parent and the other non-white.
†
Dichotomised as at least one parent in professional or administrative occupation versus all others.