Table 1. Characteristics of the sample.
| QbBlind (control; report withheld) (n = 127) |
QbOpen (intervention; report disclosed) (n = 123) |
Total sample (n = 250) |
|
|---|---|---|---|
| Sex (%) | |||
| Male | 102 (80) | 95 (77) | 197 (79) |
| Female | 25 (20) | 28 (23) | 53 (21) |
| Age (years) | |||
| Mean age (SD) | 9.4 (2.8) | 9.5 (2.8) | 9.5 (2.8) |
| Min-max | (5.9, 16.2) | (6.0, 17.4) | (5.9, 17.4) |
| Ethnicity (%)* | n = 89 | n = 83 | n = 172 |
| White | 80 (90) | 73 (88) | 153 (89) |
| Mixed | 5 (6) | 6 (7) | 11 (6) |
| Other | (4 (4) | 4 (5) | 8 (5) |
| SDQ Parent (SDQ-P)*: Mean (SD) | n = 108 | n = 90 | n = 198 |
| Emotional problems | 4.9 (2.8) | 4.4 (2.9) | 4.7 (2.9) |
| Conduct problems | 5.9 (2.4)+ | 5.9 (2.7)+ | 5.9 (2.5) |
| Hyperactivity | 8.8 (1.3)++ | 8.9 (1.6)++ | 8.9 (1.4) |
| Peer problems | 4.6 (2.4)+ | 4.1 (2.4)+ | 4.4 (2.4) |
| Pro-social behaviour | 5.3 (2.3) | 5.6 (2.1) | 5.5 (2.3) |
| Total difficulties score | 24.3 (5.9)+ | 23.3 (6.2)+ | 23.9 (6.1) |
| Impact score | 5.9 (2.6)+ | 5.8 (2.6)+ | 5.9 (2.6) |
| SDQ Teacher (SDQ-T)*:Mean(SD) | n = 85 | n = 75 | n = 160 |
| Emotional problems | 2.9 (3.1) | 2.7 (2.6) | 2.8 (2.9) |
| Conduct problems | 3.9 (2.9) | 3.3 (2.7) | 3.6 (2.9) |
| Hyperactivity | 7.6 (2.5)+ | 7.2 (2.8)+ | 7.4 (2.6) |
| Peer problems | 2.9 (2.3) | 2.4 (2.8) | 2.7 (2.3) |
| Pro-social behaviour | 5.2 (2.4) | 5.3 (2.5) | 5.2 (2.4) |
| Total difficulties score | 17.5 (7.4)+ | 15.7 (6.9) | 16.6 (7.2) |
| Impact score | 3.0 (2.0)+ | 2.6 (1.7)+ | 2.8 (1.9) |
| Type of clinical service (%) | n = 127 | n = 123 | n = 250 |
| CAMHS | 60 (47) | 59 (48) | 119 (48) |
| Community Paediatrics | 67 (53) | 64 (52) | 131 (52) |
Note. Data are n (%) or mean (SD/range). ‘Other’ ethnicity includes Pakistani, Indian and Other Asian.
*Data not available for all randomised participants.
+ scores are in the abnormal range (top 10%)
++ scores are in the top 5%.
CAMHS = child and adolescent mental health services. Higher scores on the Strengths and Difficulties Questionnaire (SDQ) indicate more problems with the exception of pro-social behaviour. SDQ scores are at baseline.