Test scores | Paternal age per year | Q1 | Q2 | Q3 | Q4 |
---|---|---|---|---|---|
FSIQ | Â | Â | Â | Â | Â |
 n | 1892 | 673 | 345 | 478 | 396 |
 Mean (SD) | 97.4(12.1) | 98.2(12.1) | 96.9(12.7) | 97.3(11.9) | 96.6(11.7) |
 Adjusted mean differences (95% CI) a | -0.24(-0.48, 0.01) | Reference | -1.50(-3.00, 0.01) | -1.31(-3.06, 0.44) | -1.72(-4.24, 0.80) |
 P value for linear trend | 0.064 | 0.097 | |||
Total behavioural problem score | Â | Â | Â | Â | Â |
 n | 1892 | 673 | 345 | 478 | 396 |
 Mean (SD) | 49.5(25.5) | 47.8(25.3) | 49.3(25.0) | 50.8(25.5) | 50.9(26.0) |
 Adjusted mean differences (95% CI) a | 0.45(-0.13, 1.03) | Reference | 2.64(-0.86, 6.14) | 5.07(1.00, 9.14) | 6.71(0.86, 12.57) |
 P value for linear trend | 0.126 | 0.010 | |||
Internalizing behavioural problem score | Â | Â | Â | Â | Â |
 n | 1892 | 673 | 345 | 478 | 396 |
 Mean (SD) | 11.3(8.0) | 10.8(8.2) | 11.1(8.0) | 11.5(7.8) | 12.1(8.0) |
 Adjusted mean differences (95% CI) a | 0.07(-0.12, 0.25) | Reference | 0.50(-0.61, 1.61) | 1.11(-0.18, 2.40) | 2.05(0.19, 3.91) |
 P value for linear trend | 0.467 | 0.035 | |||
Externalizing behavioural problem score | Â | Â | Â | Â | Â |
 n | 1892 | 673 | 345 | 478 | 396 |
 Mean (SD) | 8.6(7.4) | 8.1(7.2) | 8.5(7.2) | 9.3(7.7) | 8.9(7.5) |
 Adjusted mean differences (95% CI) a | 0.09(-0.08, 0.25) | Reference | 0.60(-0.42, 1.61) | 1.38(0.19, 2.56) | 1.09(-0.62, 2.79) |
 P value for linear trend | 0.317 | 0.062 |