. Author manuscript; available in PMC: 2021 Aug 11.

Published in final edited form as: Alcohol Clin Exp Res. 2020 Feb 18;44(3):697–710. doi: 10.1111/acer.14280

Table 4a:

Descriptive statistics and comparison of density scores using independent t-tests and dichotomous scores using Chi square tests, across race/ethnicity.

Density Measures	Race/Ethn	N	Mean	SD	t
FHDr_PSND–AUD_Dx	White	7,062	0.55	0.24	13.66^*
FHDr_PSND–AUD_Dx	Black	2,302	0.47	0.23	13.66^*

FHDr_PSND–AUD_MaxSxCnt	White	7,062	0.44	0.18	14.01^*
FHDr_PSND–AUD_MaxSxCnt	Black	2,302	0.38	0.18	14.01^*

FHDr_AR–AUD_Dx	White	10,757	0.53	0.22	25.77^*
FHDr_AR–AUD_Dx	Black	3,193	0.43	0.19	25.77^*

FHDr_AR– AUD_MaxSxCnt	White	10,757	0.42	0.16	27.16^*
FHDr_AR– AUD_MaxSxCnt	Black	3,193	0.34	0.14	27.16^*

Dichotomous Measures	Race/Ethn	N	#(Yes)	%(Yes)	χ ²

FH_Father–AUD_Dx	White	5,358	3,458	64.5%	0.25
FH_Father–AUD_Dx	Black	1,127	736	65.3%	0.25

FH_Mother–AUD_Dx	White	6,986	2,332	33.4%	1.98
FH_Mother–AUD_Dx	Black	2,150	753	35.0%	1.98

FH_Parent–AUD_Dx	White	7,484	4,692	62.7%	50.45^*
FH_Parent–AUD_Dx	Black	2,427	1,325	54.6%	50.45^*

FH_First–AUD_Dx	White	8,446	7,397	87.6%	195.00^*
FH_First–AUD_Dx	Black	3,163	2,439	77.1%	195.00^*

t=independent t-test statistic. χ²= Pearson Chi square statistic.

p<0.012 (Bonferroni corrected).