Table 1. Baseline Characteristics of Participants in the Normative Aging Study, Boston, MA, 1999 - 2009 [mean (SD) or n (%)].
| Baseline Visit | |
|---|---|
| |
(n = 784) |
| |
|
| Age (years) |
72.3 (6.8) |
| Body mass index (kg/m2) |
28.2 (4.1) |
| Systolic blood pressure (mmHg) |
132.6 (16.9) |
| Diastolic blood pressure (mmHg) |
77.8 (9.3) |
| Fasting blood glucose (mg/dL) |
108.6 (28.0) |
| Treatment with statins |
280 (35.7) |
| Smoking status |
|
| Never |
222 (28.3) |
| Former |
530 (67.6) |
| Current |
32 (4.1) |
| Cumulative smoking, pack-yearsa |
30.7 (27.3) |
| Season of clinical exam |
|
| Spring |
192 (24.5) |
| Summer |
218 (27.8) |
| Fall |
241 (30.7) |
| Winter |
133 (17.0) |
| Day of week of clinical exam |
|
| Monday |
69 (8.8) |
| Tuesday |
179 (22.8) |
| Wednesday |
342 (43.6) |
| Thursday | 194 (24.7) |
a Among current or former smokers