Table 3b. Association (regression coefficient (95% confidence interval)) of father’s IQ at age 11 with offspring conduct, emotional and attention problem scores at age 4+ years.
| Adjustments | |||||||
|---|---|---|---|---|---|---|---|
| N / Mean (SD) | Offspring age and sex | Offspring age, sex and SES | Offspring age, sex and IQ | Offspring age, sex and HOME score | Offspring age, sex and parental malaise | Multiple1 | |
| Children aged 4 to 6 2 | |||||||
| Conduct problems score | |||||||
| SD increase3 | 313 / 22.9 (5.2) | −0.36 (−1.05, 0.32) | −0.30 (−1.00, 0.40) | −0.29 (−0.98, 0.40) | −0.03 (−0.68, 0.62) | −0.22 (−0.91, 0.48) | 0.05 (−0.62, 0.72) |
| P 4 | 0.29 | 0.40 | 0.41 | 0.92 | 0.54 | 0.88 | |
| Emotional problems score | |||||||
| SD increase3 | 320 / 15.5 (2.7) | 0.33 (−0.07, 0.73) | 0.42 (−0.01, 0.84) | 0.30 (−0.09, 0.69) | 0.42 (0.01, 0.83) | 0.38 (−0.02, 0.79) | 0.47 (0.05, 0.88) |
| P 4 | 0.11 | 0.05 | 0.13 | 0.04 | 0.07 | 0.03 | |
|
| |||||||
| Children aged 7+ 5 | |||||||
| Conduct problems score | |||||||
| SD increase3 | 388 / 9.4 (2.3) | −0.29 (−0.56, −0.01) | −0.23 (−0.51, 0.05) | −0.22 (−0.50, 0.06) | −0.20 (−0.47, 0.07) | −0.29 (−0.57, −0.01) | −0.12 (−0.42, 0.17) |
| P 4 | 0.04 | 0.10 | 0.12 | 0.15 | 0.05 | 0.41 | |
| Emotional problems score | |||||||
| SD increase3 | 387 / 7.4 (1.9) | −0.09 (−0.28, 0.11) | −0.08 (−0.27, 0.12) | −0.11 (−0.32, 0.10) | −0.07 (−0.28, 0.13) | −0.06 (−0.26, 0.14) | −0.06 (−0.28, 0.16) |
| P 4 | 0.38 | 0.45 | 0.31 | 0.46 | 0.58 | 0.58 | |
| Attention problems score | |||||||
| SD increase3 | 393 / 4.3 (1.7) | −0.26 (−0.42, −0.10) | −0.25 (−0.41, −0.08) | −0.21 (−0.38, −0.04) | −0.22 (−0.39, −0.06) | −0.25 (−0.41, −0.09) | −0.16 (−0.35, 0.02) |
| P 4 | 0.001 | 0.004 | 0.02 | 0.01 | 0.002 | 0.09 | |
1
Adjusted for offspring age, sex, IQ, HOME score, SES, and parental malaise;
2
Based on Behaviour Problems Index;
3
Mean change per SD increase;
4
P for linear trend;
5
Based on Rutter A scale