Table 4.

Comparison of ANOVA models controlling for ethnicity and gender with main analyses.

Dependent variable	Model 1	β	SE	t	p	η2
No of drinks (total) in past 30 days	5-HTTLPR genotype1	6.988	19.506	0.360	0.721	0.002
	BDI-II	3.805	1.344	2.830	0.006*	0.105
	Genotype*BDI-II	−4.751	1.779	−2.670	0.009*	0.095
	Model 2
	Ethnicity	−18.430	5.827	−3.163	0.002*	0.058
	5-HTTLPR genotype	10.179	18.358	0.554	0.581	0.002
	BDI-II	3.375	1.270	2.656	0.010*	0.260
	Genotype*BDI-II	−4.055	1.686	−2.405	0.019*	0.085
Rutgers alcohol problem index score (possible range: 0–69)	Model 1
	5-HTTLPR genotype	−1.641	5.002	−0.330	0.744	0.002
	BDI-II	1.290	0.345	3.740	<0.001*	0.171
	Genotype*BDI-II	−0.837	0.456	−1.840	0.071a	0.047
	Model 2
	Ethnicity	−0.599	1.600	−0.374	0.709	0.003
	5-HTTLPR genotype	−1.538	5.042	−0.305	0.761	0.012
	BDI-II	1.276	0.349	3.658	0.001*	0.332
	Genotype*BDI-II	−0.815	0.436	−1.760	0.083a	0.055

¹Genotype was coded as: SS/SL = 1, LL = 0.

*Significant results are starred.

^aTrend-level result.