Table 1 Characteristics of elderly white men from the Normative Aging Study, 2000–2013
Variables | First visit (N = 669) | Second visit (N = 387) | Third visit (N = 121) | Fourth visit (N = 1) | All visits (N = 1,178) |
|---|---|---|---|---|---|
Age, Mean ± SD | 74 ± 7 | 76 ± 7 | 80 ± 6 | 76 ± NA | 75 ± 7 |
BMI (kg/m2), Mean ± SD | 28.10 ± 4.07 | 27.94 ± 4.33 | 27.84 ± 4.26 | 24.68 ± NA | 28.02 ± 4.18 |
Years of education, Mean ± SD | 15.07 ± 3.01 | 15.29 ± 3.08 | 15.84 ± 3.07 | 13.00 ± NA | 15.22 ± 3.05 |
Smoking status, n (%) | |||||
 Never | 205 (30.64%) | 118 (30.49%) | 37 (30.58%) | 0 (0%) | 360 (30.56%) |
 Ever | 464 (69.36%) | 269 (69.51%) | 84 (69.42%) | 1 (100%) | 818 (69.44%) |
 Pack-years, Mean ± SD | 25.43 ± 21.38 | 20.48 ± 23.86 | 20.01 ± 23.52 | 15.00 ± NA | 20.94 ± 24.71 |
Alcohol consumption (drinks/day), n (%) | |||||
 ˂ 2 | 540 (80.72%) | 318 (82.17%) | 100 (82.64%) | 0 (0%) | 958 (81.32%) |
  ≥ 2 | 129 (19.28%) | 69 (17.83%) | 21 (17.36%) | 1 (100%) | 220 (18.68%) |
Estimated cell type (%), Mean ± SD | |||||
 Granulocytes | 57.51 ± 9.24 | 58.83 ± 10.07 | 61.91 ± 8.66 | 63.35 ± NA | 58.40 ± 9.55 |
 Monocytes | 10.75 ± 2.74 | 10.16 ± 3.08 | 10.31 ± 2.60 | 9.49 ± NA | 10.51 ± 2.85 |
 B cells | 1.63 ± 2.75 | 1.20 ± 2.37 | 1.11 ± 2.44 | 0.62 ± NA | 1.43 ± 2.60 |
 CD4 + T lymphocytes | 8.42 ± 4.39 | 8.31 ± 4.76 | 7.37 ± 3.40 | 15.53 ± NA | 8.28 ± 4.43 |
 CD8 + T lymphocytes | 8.70 ± 3.15 | 8.52 ± 3.17 | 7.40 ± 2.83 | 6.95 ± NA | 8.51 ± 3.14 |
 Natural killer cells | 7.11 ± 3.86 | 7.57 ± 4.35 | 7.42 ± 4.11 | 4.19 ± NA | 7.29 ± 4.05 |