. Author manuscript; available in PMC: 2016 Jul 1.

Published in final edited form as: J Dev Behav Pediatr. 2015 Jul-Aug;36(6):409–416. doi: 10.1097/DBP.0000000000000171

Table 1.

Demographics by 5HTTLPR genotype.

	s/s (n = 22)	s/l (n = 51)	l/l (n = 29)	χ² or F	p
Sex (% Male)	55%	63%	38%	4.59	.10
Ethnicity (% Romanian)	46%	51%	55%	1.66	.80
Attachment 42 months (% Typical)	82%	69%	61%	2.60	.27
Externalizing scores at baseline, M (SD)	0.51 (0.49)	0.60 (0.39)	0.61 (0.36)	0.37	.69
Externalizing scores at 54 months, M (SD)	7.09 (7.76)	8.48 (7.15)	7.61 (5.59)	0.35	.70