Table 2.

Means and Confidence Intervals of Rearing and Genotype Groups

	Activity	Emotional Reactivity
Mother-Reared
H/H	−2.05 (−4.98–.89)	0.58(−0.05–1.11)
H/HET	−3.09(−6.88–0.70)	0.62(−0.13–1.37)
H/L	0.20(−2.64–3.05)	0.75(0.19–1.31)
L/H	1.40(−2.03–4.83)	1.07(0.40–1.75)
L/HET	−0.64(−4.94–3.66)	−1.43(0.58–2.28)
L/L	0.05(−3.55–3.64)	0.76(0.05–1.47)
Nursery-Reared
H/H	1.64 (−1.30–4.57)	2.62(2.04–3.20)
H/HET	8.36 (4.57–12.15)	1.35(0.61–2.10)
H/L	5.14 (2.30–7.99)	2.59(2.03–3.15)
L/H	8.36(4.93–11.79)	1.52(0.84–2.19)
L/HET	7.15(2.85–11.44)	2.94(2.09–3.78)
L/L	5.05(1.46–8.65)	2.73(2.02–3.44)

Note. High rh5-HTTLPR/high rhMAO-A-LPR (H/H), high rh5-HTTLPR/heterozygote rhMAO-A-LPR (H/Het), high rh5-HTTLPR/low rhMAO-A-LPR (H/L), low rh5-HTTLPR/high rhMAO-A-LPR (L/H), low rh5-HTTLPR/heterozygote rhMAO-A-LPR(L/Het), low rh5-HTTLPR/low rhMAO-A-LPR (L/L).