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. Author manuscript; available in PMC: 2023 May 1.

Published in final edited form as: Nat Hum Behav. 2022 Aug 4;6(11):1577–1586. doi: 10.1038/s41562-022-01408-5

Table 2.

Number of variants and SNP-based heritability in African Ancestry sample

	Number of SNPs

	5–50% -HI	5–50% -LO	1–5% - HI	1–5% - LO	0.1–1%	Sample size

AgeSmk	4,298,268	4,298,322	3,415,787	3,415,847	-	6,909
CigDay	4,298,370	4,298,421	3,412,719	3,412,799	-	6,796
SmkCes	4,296,858	4,296,926	3,416,336	3,416,395	-	7,549
SmkInit	4,297,927	4,297,954	3,411,149	3,411,191	13,667,521	11,743

${\hat{h}}^{2}_{S N P}$

	5–50% -HI	5–50% -LO	1–5% - HI	1–5% - LO	0.1–1%	Total^a

AgeSmk	.089 (.043)	−.028 (.082)	.016 (.051)	.022 (.099)		.098 (.091)
CigDay	.076 (.041)	.001 (.084)	−.013 (.048)	−.036 (.109)	-	.028 (.113)
SmkCes	.008 (.040)	.060 (.090)	.031 (.054)	−.024 (.115)	-	.075 (.120)
SmkInit	.052 (.035)	.023 (.072)	−.022 (.041)	.031 (.095)	.243 (.133)	.329 (.144)

^a

Total=sum across five bins with MAF 0.1–50% for SmkInit and sum across four bins with MAF1–50% for the rest

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