Table 2.

Genotyping results for genomic and whole genome amplification (WGA) DNA (N = 12,153).^†

Marker	Genomic Null Result (N, %)	WGA Null Result (N, %)	Null Result in Common (N, %)	Discordant Genotype Call (N, %)
Amelogenin	370 (0.03)	432 (0.04)	165 (0.45)	42 (0.35)
DRD4	461 (0.04)	1014 (0.08)	221 (0.48)	101 (0.83)
DAT1	559 (0.05)	603 (0.05)	246 (0.44)	53 (0.44)
5HTTLPR	530 (0.04)	728 (0.06)	234 (0.44)	49 (0.40)
MAOA-uVNTR	408 (0.03)	446 (0.04)	200 (0.49)	85 (0.70)
DRD5	634 (0.05)	927 (0.11)	326 (0.51)	59 (0.49)
MAOCA-1	780 (0.06)	705 (0.08)	318 (0.41)	118 (0.97)

^†Note: Add Health Archived samples, Unweighted N and percentages, excluding four incarcerated respondents for whom saliva collection was prohibited.