Table 3:
Comparison of Twins Discordant for Head Injury
Monozygotic Discordant Twins (N=68 families) |
Dizygotic Discordant Twins (N=52 families) |
|||
---|---|---|---|---|
Wave 1 Ages 9–10 |
Δ(Wave 5 – W1) Ages 19–20 |
Wave 1 Ages 9–10 |
Δ(Wave 5 – W1) Ages 19–20 |
|
μ ± SD | μ (95% CI) | μ ± SD | μ (95% CI) | |
NoGo Errors | ||||
Head Injury Group | ||||
No Head Injury | 44 ± 24 | −33 (−40, −25) | 45 ± 20 | −27 (−34, −21) |
Head Injury | 41 ± 23 | *−20 (−28, −13) | 50 ± 23 | −30 (−37, −24) |
Reactive Aggression | ||||
Head Injury Group | ||||
No Head Injury | 0.72 ± 0.33 | −0.30 (−0.44, −0.15) | 0.61 ± 0.35 | −0.20 (−0.32, −0.08) |
Head Injury | 0.61 ± 0.26 | −0.17 (−0.31, −0.03) | 0.64 ± 0.34 | −0.20 (−0.32, −0.07) |
Proactive Aggression | ||||
Head Injury Group | ||||
No Head Injury | 0.08 ± 0.11 | −0.03 (−0.08, 0.02) | 0.06 ± 0.12 | −0.01 (−0.05, 0.03) |
Head Injury | 0.07 ± 0.13 | −0.01 (−0.06, 0.04) | 0.07 ± 0.12 | −0.01 (−0.05, 0.03) |
Note: Observed means and standard deviations presented.
μ=Mean, SD=Standard Deviation, CI=Confidence Interval
p-value < 0.05 for change from Wave 1 compared to No Head Injury Group.