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Table 1 Population-weighted distributions of pathogen burden and telomere length (log T/S ratio) for individuals aged 20–49 years by demographic and clinical characteristics, National Health and Nutrition Examination Survey (1999–2000), n = 1708

From: Pathogen burden and leukocyte telomere length in the United States

  Overall
N (%)
Pathogen burden count score (%) Pathogen burden composition class (%) Leukocyte telomere length (log T/S/ ratio)
0 (12%) 1 (27%) 2–3 (49%) 4+ (12%) Comp 1 (49%) Comp 2 (48%) Comp 3 (3%) Mean (SE)
Overall          0.07 (0.02)
Age (years)
20–29 562 (30) 34 38 28 16 35 25 21 0.12 (0.02)
30–39 602 (38) 41 31 40 44 35 42 33 0.07 (0.02)
40–49 544 (32) 25 31 32 40 30 33 46 0.01 (0.03)
Gender
Male 770 (48) 61 53 46 38 54 42 50 0.08 (0.02)
Female 938 (52) 39 47 54 62 46 58 50 0.06 (0.02)
Race/Ethnicity
N-H Black 316 (10) 4 4 11 28 87 55 26 0.10 (0.02)
N-H White 724 (70) 89 88 65 32 4 17 11 0.02 (0.01)
Hispanic 627 (17) 4 7 21 35 7 25 56 0.06 (0.03)
Other 41 (3) 3 1 3 5 2 4 8 0.10 (0.06)
Education
  < High school 173 (4) 0.67 0.32 5 13 0 7 17 0.06 (0.03)
Some high school 340 (15) 6 9 18 27 9 21 26 0.06 (0.03)
High school/GED 398 (26) 24 26 28 22 26 26 36 0.05 (0.02)
Some college/AA degree 466 (30) 33 32 28 26 32 28 21 0.06 (0.02)
College or above 331 (25) 37 32 21 12 33 18 1 0.09 (0.03)
Body Mass Index
  < 18.5 28 (2) 3 1 3 4 2 3 0 0.04 (0.03)
18.5 to < 25 558 (36) 40 36 37 29 37 35 35 0.11 (0.02)
25 to < 30 562 (32) 23 37 33 31 33 33 27 0.06 (0.02)
30+ 562 (29) 33 25 28 36 28 29 37 0.03 (0.03)
Cigarette Smoking Status
Never 977 (53) 58 57 51 49 58 49 46 0.08 (0.02)
Former 288 (18) 16 19 18 18 17 18 18 0.04 (0.02)
Current 443 (29) 27 24 31 33 25 33 36 0.06 (0.02)
  1. Comp 1 = Composition 1; Comp 2 = Composition 2; Comp 3 = Composition 3
  2. N refers to unweighted sample sizes