Table 2.

Phenotypes that differ in prevalence between average and high general intelligence groups.

							Average g-factor			High g-factor
		Estimate	SE	OR	t/z	p	Control	Cases	%	Control	Cases	%
High > Average	Other allergies	0.28	0.06	1.33	4.50	6.71E-06	229,995	6,012	2.55	15627	500	3.10
	Eczema	0.22	0.06	1.25	3.96	7.61E-05	228,451	7,556	3.20	15472	655	4.06
	Cannabis use ever	0.22	0.03	1.25	7.06	1.64E-12	86,279	24,836	22.35	8092	3,088	27.62
	Same-sex behavior	0.21	0.05	1.23	3.89	1.02E-04	209,239	8,741	4.01	14659	752	4.88
	Chronotype (E vs. M)	0.14	0.02	1.15	5.99	2.04E-09	132,775	82,172	38.23	8483	6,092	41.80
	General allergy	0.12	0.03	1.13	4.00	6.29E-05	64,788	25,833	28.51	6851	3,149	31.49
	Myopia	0.66	0.10	1.93	6.49	8.79E-11	70,191	30,851	30.53	2903	2,281	44.00
High < Average	Trauma catastrophic	−0.10	0.03	0.90	−3.70	2.20E-04	54,472	56,797	51.04	5640	5,554	49.62
	Social isolation	−0.16	0.04	0.85	−4.28	1.83E-05	210,478	23,110	9.89	14634	1,414	8.81
	Trauma childhood stressors	−0.27	0.03	0.76	−8.92	4.62E-19	73,178	38,076	34.22	8141	3,053	27.27
	Trauma adulthood stressors	−0.37	0.03	0.69	−12.43	1.83E-35	65,178	45,654	41.19	7608	3,565	31.91
	General anxiety	−0.37	0.05	0.69	−7.18	7.00E-13	61,127	11,118	15.39	6925	847	10.90
	Post-traumatic stress disorder	−0.40	0.07	0.67	−5.77	7.70E-09	103,826	7,022	6.33	10730	441	3.95
	Trauma childhood abuse	−0.48	0.05	0.62	−9.18	4.14E-20	98,544	12,688	11.41	10374	819	7.32
	Neuroticism score	−0.12	0.01		−10.17	2.87E-24

Note. Neuroticism estimate is a standardized beta.

Abbreviations: g-factor, general intelligence; high g-factor, participants with a g-factor score 2 SD above the mean; average g-factor, participants with a g-factor score between ±2 SD from the mean; Cannabis use, never used versus used at least once; E, evening; M, morning.