Table 3 Key demographic characteristics of the DNHS and GTP genotypic samples

From: Frequency of alcohol consumption in humans; the role of metabotropic glutamate receptors and downstream signaling pathways

Key variable

Frequency/mean (s.d.)

 

DNHS genetic sample

DNHS methylation subsample

GTP genetic sample

N

778

154

1,034

Female

57.7%

61.2%

71.8%

Age

52.7 (16.4)

50.3 (14.6)

39.5 (13.4)

African American (self-report)

82.5%

91.4%

95.2%

Lifetime drinker

64.3%

30.5%

79.3%

Drinking days per montha

5.0 (10.5)

6.3 (15.4)

2.2 (11.5)

  1. Abbreviations: DNHS, Detroit Neighborhood Health Study; GTP, Grady Trauma Project.
  2. aPresented here as non-standardized for ease of interpretation, but analyzed as a z-scored standardized continuous measure.
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