Table 2 Baseline Volunteer Characteristics for Senior and Junior cohorts
Characteristic | SENIOR IM | SENIOR SC | JUNIOR |
|---|---|---|---|
Number (Percent) Male | 13 (50%) | 11 (42%) | 6 (42%) |
Number (Percent) White | 25 (96%) | 24 (92%) | 7 (50%) |
Number (Percent) African-American | 1 (4%) | 2 (8%) | 4 (26%) |
Median age [range] | 73 [65–81] | 72 [65–80] | 26 [21–34] |
Age 65–74 (percent) | 20 (77%) | 19 (73%) | n/a |
Age 75–81 (percent) | 6 (23%) | 7 (27%) | n/a |
Smoker (< 10 cigarettes per day) | 0 | 0 | 1 (7%) |
Median years of education [range] | 12 [4–16] | 12 [10–18] | 16 [14–18] |
Alcohol (> 1 can beer, 1 glass wine, or 1 oz. liqueur daily). | 0 | 0 | 0 |
Previous influenza or pneumococcal immunization | 25 (96%) | 25 (96%) | 0 |
Median number of medications [range] | 4 [0–8] | 3 [0–9] | 1 [0–4] |
Use of supplemental vitamins | 18 (69%) | 17 (65%) | 5 (36%) |
Median co-morbid conditions [range]* | 3 [0–7] | 3 [0–7] | Not done |
Median weight (kg) [range] | 79.5 [55–110] | 79.5 [53–114] | |
Median Body Mass Index [range]** | 27.7 [22.3–38.6] | 29.0 [20.0–41.9] | |
Median body percentage fat [range] | 37.1 [24.5–49.1] | 36.9 [20.9–51.4] | |
Median Charlson Index [range] *** | 0 [0–3] | 0 [0–3] | |
Median Mini-Mental Status Exam score+ | 29 [23–30] | 30 [25–30] | |
Median OARS score [range]# | 0 [0–2] | 0 [0–0] | |
Geriatric Depression Scale scores## | 0 [0–2] | 0 [0–2] |