Table 1. Characteristics of ARIC Participants at Baseline and Aged 65-74 Years at Visits 4 and 5.
| Characteristic | No. (%)a | ||
|---|---|---|---|
| Overall | Age 65-74 yb | ||
| 1987-1989 (Visit 1) | 1996-1998 (Visit 4) | 2011-2013 (Visit 5) | |
| Total No. | 14 357 | 4218 | 2843 |
| Age, mean (SD), y | 54.1 (5.8) | 68.8 (2.6) | 71.1 (1.9) |
| Female | 7955 (55.4) | 2204 (52.3) | 1716 (60.4) |
| Race/center | |||
| White/Minneapolis, MN | 3844 (26.8) | 1190 (28.2) | 848 (29.8) |
| White/Washington County, MD | 3382 (23.6) | 1172 (27.8) | 651 (22.9) |
| Forsyth County, NC | |||
| White | 3331 (23.2) | 1079 (25.6) | 596 (21.0) |
| Black | 442 (3.1) | 105 (2.5) | 54 (1.9) |
| Black/Jackson, MS | 3358 (23.4) | 672 (15.9) | 694 (24.4) |
| Smoking statusc | |||
| Current | 3711 (25.9) | 485 (11.6) | 210 (7.7) |
| Former | 4651 (32.4) | 1946 (46.6) | 1316 (48.0) |
| Never | 5995 (41.8) | 1747 (41.8) | 1214 (44.3) |
| Hypertensionc | 4886 (34.0) | 2327 (55.5) | 2000 (70.9) |
| Blood pressure, median (range), mm Hgc | |||
| Systolic | 119 (108-131) | 130 (118-144) | 127 (117-139) |
| Diastolic | 73 (66-80) | 69 (62-76) | 68 (61-75) |
| Hypertension medicationc | 4241 (29.5) | 2129 (50.5) | 2.030 (71.6) |
| Diabetesc | 1662 (11.6) | 782 (18.7) | 1066 (38.1) |
| Coronary heart disease | 649 (4.5) | 476 (11.3) | 322 (11.3) |
| Total cholesterol, median (range), mg/dLc | 212 (186-239) | 198 (176-222) | 182 (156-211) |
| Cholesterol-lowering medicationc | 404 (2.8) | 742 (17.7) | 1526 (54.0) |
Abbreviation: ARIC, Atherosclerosis Risk in Communities.
SI conversion factor: To convert cholesterol to mmol/L, multiply by 0.0259.
a
Missing data rate was <2.5% for all variables.
b
Rates among participants aged 65 to 74 years in 1996-1998 (visit 4) and 2011-2013 (visit 5) were adjusted for age, sex, and race/center.
c
P < .001 for the comparison between participants aged 65 to 74 years in 1996-1998 (visit 4) and in 2011-2013 (visit 5).