Table 1.
Descriptive sociodemographic and clinical characteristics across physical activity, the ARIC study
| Physical Activity at Visit 3 N=3,893 |
Persistence of Physical Activity from Visit 1–3 N=1,747 |
|||||||
|---|---|---|---|---|---|---|---|---|
| Characteristics at ARIC Visit 3 |
No PA n=1,197 |
Low n=899 |
Moderate n=899 |
High n=898 |
No PA n=694 |
Low n=298 |
Moderate n=283 |
High n=472 |
| MET-min/week | 0 | 4–612 | 613–1194 | 1195–5486 | 0 | 13–612 | 613–1194 | 1198–5486 |
| Age, years | 74.6 (4.7) | 75.2 (4.9) | 75.6 (5.1) | 75.7 (5.2) | 74.5 (4.6) | 75.0 (4.8) | 75.1 (5.0) | 75.6 (5.2) |
| Female sex, n (%) | 728 (61) | 605 (67) | 542 (60) | 431 (48) | 435 (63) | 205 (69) | 171 (60) | 271 (57) |
| Black race, n (%) | 349 (29) | 173 (19) | 158 (18) | 121 (14) | 264 (38) | 53 (18) | 41 (15) | 43 (9) |
| <HS education, n (%) | 238 (20) | 96 (11) | 79 (9) | 48 (5) | 160 (23) | 25 (8) | 13 (5) | 11 (2) |
| Ever smokers, n (%) | 633 (56) | 460 (53) | 489 (56) | 521 (60) | 375 (57) | 150 (53) | 143 (52) | 281 (62) |
| Heart rate, beat/min | 63 (10) | 62 (10) | 62 (10) | 61 (9) | 63 (10) | 61 (9) | 61 (9) | 60 (10) |
| BMI, kg/m2 | 28.5 (4.6) | 27.9 (4.5) | 27.4 (4.2) | 27.1 (4.2) | 28.7 (4.8) | 27.6 (4.3) | 27.2 (4.1) | 26.7 (4.0) |
| WC, cm | 100 (12) | 99 (12) | 98 (12) | 98 (12) | 100 (13) | 99 (12) | 98 (12) | 98 (11) |
| Systolic BP, mmHg | 130 (17) | 130 (18) | 130 (17) | 130 (17) | 131 (18) | 131 (17) | 131 (17) | 129 (16) |
| Diastolic BP, mmHg | 67 (10) | 66 (10) | 66 (10) | 67 (10) | 69 (10) | 66 (10) | 67 (10) | 67 (10) |
| HDL-C, mg/dL | 51 (13) | 54 (14) | 53 (13) | 54 (13) | 51 (13) | 54 (14) | 54 (14) | 54 (13) |
| Insulin, μU/mL | 14.2 (14.9) | 12.9 (9.3) | 12.6 (9.6) | 11.9 (9.0) | 15.0 (18.2) | 13.2 (9.3) | 12.2 (8.3) | 11.1 (8.0) |
| Glucose, mg/dL | 113 (28) | 113 (30) | 111 (25) | 110 (22) | 113 (29) | 112 (33) | 109 (19) | 109 (20) |
| Triglycerides, mg/dL | 127 (60) | 125 (55) | 123 (58) | 118 (56) | 125 (58) | 126 (55) | 121 (55) | 116 (51) |
| TG-HDL Ratio | 2.7 (1.8) | 2.6 (1.6) | 2.6 (1.6) | 2.5 (1.6) | 2.7 (1.6) | 2.6 (1.6) | 2.5 (1.5) | 2.4 (1.5) |
| HOMA-IR | 4.1 (5.5) | 3.8 (3.4) | 3.6 (3.3) | 3.3 (2.9) | 4.4 (6,7) | 3.8 (3.3) | 3.4 (2.7) | 3.1 (2.7) |
| Diabetes, n (%) | 340 (29) | 218 (24) | 191 (22) | 180 (20) | 209 (30) | 61 (21) | 51 (18) | 77 (17) |
| Hypertension, n (%) | 911 (77) | 633 (71) | 630 (71) | 591 (67) | 544 (79) | 201 (68) | 202 (72) | 300 (64) |
| cfPWV, m/s | 11.9 (3.1) | 11.6 (2.8) | 11.5 (2.9) | 11.5 (3.0) | 12.0 (3.2) | 11.6 (2.9) | 11.7 (3.0) | 11.1 (2.8) |
| cPP, mmHg | 71 (18) | 72 (17) | 71 (17) | 69 (17) | 72 (19) | 73 (16) | 71 (17) | 69 (17) |
| High cfPWV, n (%) | 330 (28) | 223 (25) | 225 (25) | 199 (22) | 204 (29) | 75 (25) | 72 (25) | 86 (18) |
| High cPP, n (%) | 324 (27) | 249 (28) | 224 (25) | 173 (19) | 198 (29) | 80 (27) | 74 (26) | 79 (17) |
| Low PA, n (%) | 309 (26) | 216 (24) | 207 (23) | 166 (18) | 177 (26) | 56 (19) | 68 (24) | 87 (18) |
Data are means±SD unless stated otherwise.
MET=metabolic equivalent, BMI=body mass index, WC=waist circumference, BP=blood pressure, HDL-C=high-density lipoprotein cholesterol, TG=triglycerides, HOMA-IR=Homeostatic model assessment of insulin resistance, cfPWV=carotid-femoral pulse wave velocity, cPP=central pulse pressure, PA=pulse pressure amplification.