Table 1.

Descriptive Statistics among Study Variables for 5-HTTLPR Genotype Groups

	5-HTTLPR Genotype Groups
	Long Allele Group		Short Allele Group
Variables at pretest	M	SD	M	SD	T
1. Gender (male)	0.44	0.50	0.47	0.50	−.71
2. SES-related risk (11–13 yrs.)	6.81	3.85	6.93	3.88	−.29
Harsh parenting
3. 11 yrs.	7.32	2.04	8.59	2.10	−1.22
4. 12 yrs.	6.90	1.96	7.04	2.02	−0.63
5. 13 yrs.	6.51	2.06	6.66	2.02	−0.70
Youth anger
6. 16 yrs.	32.45	9.55	32.43	10.86	0.02
7. 17 yrs.	33.35	10.39	34.58	13.60	−0.89
8. 18 yrs.	33.84	10.72	33.18	10.98	0.57
9. Ln (CRP) (19 yrs.)	0.65	0.66	0.73	0.72	−1.16
10. Health (19 yrs.)	24.60	17.43	26.38	18.82	−0.92
11. Depression (19 yrs.)	13.45	9.27	13.68	9.30	−0.22

Note. SES = socioeconomic status. Ln = log transformation. CRP = C Reactive Protein.