Table 2.
Correlation matrix showing association between all key continuous variables.
| SDQ-E (16 years) | SDQ-C (16 years) | SDQ-C (23 years) | BAI | BDI | Trails | OW | BD | RRBs | Verbal IQ | |
|---|---|---|---|---|---|---|---|---|---|---|
| SDQ-E (16 years) | – | |||||||||
| SDQ-C (16 years) | .28* | – | ||||||||
| SDQ-C (23 years) | .24* | .34** | – | |||||||
| BAI (23 years) | .43** | .26* | .36** | – | ||||||
| BDI (23 years) | .25* | .26* | .36** | .60** | – | |||||
| Trails (16 years) | .23* | .18 | .41** | .23* | .29* | – | ||||
| OW (16 years) | –.21 † | –.16 | –.31** | –.37** | –.23 † | –.49** | – | |||
| BD (16 years) | –.29** | –.19 † | –.32** | –.45** | –.25* | –.46** | .52** | – | ||
| RRBs (16 years) | .38** | –.18 | .14 | .37** | .22 † | .45** | –.20 | –.35** | – | |
| Verbal IQ (16 years) | –0.02 | –0.03 | –0.22* | –0.16* | –0.09 | –.40** | .38** | .55** | –.41** | – |
SDQ-E: Strength and Difficulties Emotional problems; SDQ-C: Strength and Difficulties Conduct problems; BAI: Beck Anxiety Inventory; BDI: Beck Depression Inventory; Trails: trail-making Task; OW: Opposite Worlds Task; BD: Block Design Task; RRBs: Social Responsiveness Scale – mannerisms sub-scale; IQ: intelligence quotient.
†
p ⩽ 0.05; *p ⩽ 0.05; **p ⩽ 0.01.