Table 1.
Baseline Characteristics of Participants
| Non-drinkers (n = 64) | Light drinkers (n = 61) | Moderate drinkers (n = 28) | P value | |
|---|---|---|---|---|
| Sex (% men) | 51.5 | 52.5 | 50.0 | 0.98 |
| Age (years) | 27.4 ± 7.7 | 23.5 ± 4.2 | 23.7 ± 5.8 | 0.001 |
| Body mass index (kg/m2) | 22.5 ± 2.9 | 22.0 ± 2.2 | 22.8 ± 2.7 | 0.35 |
| Ethnicity, N (%) | ||||
| White | 35 (55%) | 48 (79%) | 26 (93%) | < 0.001 |
| Black | 1 (2%) | 0 (0%) | 1 (4%) | 0.334 |
| Asian | 21 (33%) | 8 (13%) | 0 (0%) | 0.193 |
| Hispanic | 3 (5%) | 2 (3%) | 0 (0%) | 0.842 |
| Other | 4 (6%) | 3 (5%) | 1 (4%) | 1.000 |
| Alcohol consumption (drinks/week) | 0.2 [0.0, 1.0] | 4.0 [3.0, 5.0] | 9.0 [8.0, 12.0] | < 0.001 |
| Beer | 0.0 [0.0, 0.3] | 2.0 [1.0, 3.0] | 6.0 [4.0, 7.5] | < 0.001 |
| Spirits | 0.0 [0.0, 0.0] | 0.0 [0.0, 1.0] | 2.5 [0.0, 4.5] | < 0.001 |
| Wine | 0.0 [0.0, 0.1] | 1.0 [0,0, 2.0] | 1.0 [0.0, 2.5] | < 0.001 |
| Alcohol consumption (years) | 0.5 [0.0, 3.0] | 3.0 [2.0, 4.0] | 3.0 [2,0, 5.0] | < 0.001 |
Values are expressed as a percentage, mean ± standard deviation or median [interquartile range], as appropriate. Body mass index was missing for n = 1 participant in the non-drinking group, and n = 2 participants in the light drinking group. Categories outlined by the National Institute of Health were used for reporting ethnicity18