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Table 1 Characteristics of male outpatients in study sample (n = 211,267) by AUDIT-C score

From: Risk of future trauma based on alcohol screening scores: A two-year prospective cohort study among US veterans

   AUDIT-C Score
  0 1–4 5–8 9–12
  (94,620) (88,790) (22,103) (5754)
  N (Col %) N (Col %) N (Col %) N (Col %)
Age <50 4400 (4.65) 5236 (5.90) 2027 (9.17) 694 (12.1)
  50–65 28,377 (30.0) 26,045 (29.3) 10,044 (45.4) 3400 (59.1)
  >65 61,841 (65.4) 57,508 (64.8) 10,032 (45.4) 1660 (28.8)
Race/ethnicity White 78,923 (83.4) 77,131 (86.9) 18,140 (82.1) 4506 (78.3)
  African American 6323 (6.68) 4405 (4.96) 1638 (7.41) 473 (8.22)
  Hispanic 4134 (4.37) 3368 (3.79) 1318 (5.96) 475 (8.26)
  Other 3366 (3.56) 2344 (2.64) 691 (3.13) 220 (3.82)
Education <12th grade 23,297 (24.6) 11,834 (13.3) 3051 (13.8) 898 (15.6)
  High school graduate 57,529 (60.8) 55,526 (62.5) 14,894 (67.4) 4097 (71.2)
  College graduate 11,706 (12.4) 20,000 (22.5) 3872 (17.5) 677 (11.8)
Married   64,386 (68.0) 62,433 (70.3) 12,696 (57.4) 2624 (45.6)
Cigarette smoking Never 26,714 (28.2) 23,296 (26.2) 4595 (20.8) 1155 (20.1)
  Past year 4352 (4.60) 4066 (4.58) 1724 (7.80) 524 (9.11)
  1–5 years ago 4735 (5.00) 3826 (4.31) 1183 (5.35) 321 (5.58)
  >5 years ago 48,473 (51.2) 48,496 (54.6) 10,015 (45.3) 1846 (32.1)
  Current 10,346 (10.9) 9106 (10.3) 4586 (20.7) 1908 (33.2)
Deyo comorbidity index score,* mean (SD) 0.97 (1.04) 0.72 (.91) 0.59 (.81) 0.57 (.79)
  1. *Adapted from the Charleston index for use with ICD-9 administrative data and constructed from the NPCD based on patients’ past-year inpatient and outpatient ICD-9 diagnostic codes.