Table 1.
Baseline Characteristics of Health ABC Participants by Baseline Physical Activity Category
| Characteristic | Inactive (N= 720) |
Lifestyle Active (N= 1605) |
Exerciser (N=750) |
P-value for trend |
|---|---|---|---|---|
| Age (years), Mean ± SD | 74.0 ± 2.92 | 73.5 ± 2.86 | 73.6 ± 2.85 | 0.03 |
| Pittsburgh Site | 41.6 (300) | 49.8 (800 ) | 56.9 (427) | <0.001 |
| Female Sex, % (N) | 56.3 (405) | 57. (922) | 34.3 (257) | <0.001 |
| Black Race, % (N) | 50.3 (362) | 44.6(715) | 27.2 (204) | <0.001 |
| BMIa (kg/m2), Mean ± SD | 26.6 ± 5.47 | 27.5 ± 4.96 | 26.85 ± 4.37 | 0.63 |
| Ever Smoker, % (N) | 58.6 (422) | 53.2 (853) | 59.6 (447) | 0.67 |
| Baseline Health Fair or Poor, % (N) | 23.2 (167) | 16.9 (271) | 7.5 (56) | <0.001 |
| Season of Baseline Visit, % (N) | ||||
| Spring | 31.5 (227) | 33.5 (538) | 38.5 (289) | 0.02 |
| Summer | 18.8 (136) | 23.0 (369) | 20.1 (151) | 0.77 |
| Autumn | 25.6 (184) | 21.2 (341) | 21.3 (160) | 0.02 |
| Winter | 22.4 (161) | 22.7 (365) | 20.5 (154) | 0.55 |
| Health History, % (N) | ||||
| Heart Attack | 10.4 (75) | 10.7 (172) | 14.7 (110) | 0.01 |
| Stroke | 3.5 (25) | 2.3 (37) | 1.3 (10) | 0.01 |
| Congestive Heart Failure | 8.2 (59) | 192 (12.0) | 73 (9.7) | 0.55 |
| Lung Diseaseb | 21.5 (155) | 19.2(308) | 14.7(110) | 0.001 |
| Osteoporosis | 9.0 (65) | 9.5(152) | 5.1 (38) | 0.005 |
| Depression | 10.4 (75) | 9.3 (149) | 9.1 (68) | 0.38 |
| Osteoarthritis in knee or hip | 8.2 (59) | 12. (192) | 9.7 (73) | 0.36 |
| Peripheral Artery Disease | 4.2 (30) | 3.9 (62) | 4.8 (36) | 0.54 |
| Diabetes | 17.9 (129) | 15.2 (244) | 11.6 (87) | 0.001 |
| Self-Reported Symptoms, % (N) | ||||
| Lower Extremity Pain While Walking | 25.8 (186) | 22.0 (353) | 15.7 (118) | <0.001 |
| Back Pain Fairly Often or More | 24.2 (174) | 22.5(361) | 16.0 (120) | <0.001 |
| Shortness of Breath While Walking | 36.9 (266) | 34.0 (546) | 21.6 (162) | <0.001 |
| Physical Functioning | ||||
| Short Physical Performance Battery | 7.5 ± 2.98 | 8.1 ± 2.85 | 9.0 ± 2.39 | <0.001 |
| Report Walking ¼ Mile is “Very Easy”, % (N) |
63.5 (457) | 65.4(1050) | 73.7 (553) | <0.001 |
a
BodyMass Index
b
Lung disease includes a history of asthma, chronic obstructive pulmonary disease, or emphysema.