|
Baseline characteristics by study group and gender |
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| Runners' Association |
Community Controls |
Ever-Runners |
Never-Runners |
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|
|
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| Female (n = 82) |
Male (n = 410) |
Female (n = 163) |
Male (n = 211) |
Female (n = 93) |
Male (n = 472) |
Female (n = 152) |
Male (n = 149) |
|
|
|
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| Mean (SE) |
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| Age (years) |
59.9 (0.5)a |
62.0 (0.3)a |
65.5 (0.5) |
64.6 (0.5) |
60.3 (0.5)a |
62.0 (0.3)a |
65.7 (0.6) |
65.5 (0.6) |
| Education (years) |
16.3 (0.3) |
16.6 (0.1)a |
15.8 (0.2) |
17.5 (0.2) |
16.4 (0.3)a |
16.8 (0.1) |
15.7 (0.2) |
17.3 (0.2) |
| BMI (kg/m2) |
21.6 (0.2)a |
23.2 (0.1)a |
23.2 (0.3) |
25.0 (0.2) |
21.6 (0.2)a |
23.3 (0.1)a |
23.4 (0.3) |
25.3 (0.3) |
| Pain (VAS 0–100; 0 = no pain) |
20.9 (2.6)a |
20.7 (1.2) |
27.6 (2.1) |
23.0 (1.6) |
19.6 (2.4)a |
20.5 (1.1) |
28.8 (2.1) |
24.3 (1.9) |
| Hospital days/past year |
0.09 (0.1)a |
0.31 (0.1) |
0.45 (0.1) |
0.25 (0.1) |
0.08 (0.0)a |
0.28 (0.1) |
0.48 (0.2) |
0.33 (0.1) |
| Running miles (week) |
19.4 (1.3)a |
26.9 (0.7)a |
0.99 (0.4) |
3.0 (0.4) |
17.4 (1.34)a |
24.3 (0.7)a |
0.9 (0.4) |
1.3 (0.4) |
| Exercise minutes (week) |
310.8 (19.8)a |
314.2 (10.3)a |
115.8 (10.0) |
129.0 (9.1) |
283.9 (18.9)a |
292.2 (9.7)a |
118.2 (10.8) |
121.6 (9.4) |
| Cigarette (packs/day) |
0.09 (0.04) |
0.01 (0.04)a |
0.13 (0.0) |
0.05 (0.0) |
0.05 (0.0)a |
0.01 (0.0)a |
0.16 (0.0) |
0.06 (0.0) |
| Alcohol (oz./day) |
1.0 (0.1) |
1.1 (0.1)a |
1.0 (0.8) |
1.4 (0.1) |
0.98 (0.1) |
1.14 (0.1)a |
1.01 (0.1) |
1.46 (0.1) |
| Subjects (%) with history of |
||||||||
| Arthritis |
45 |
33 |
47 |
36 |
42 |
33 |
49 |
36 |
| Fractures |
54 |
53 |
41 |
52 |
51 |
52 |
42 |
54 |
| Cancer |
0 |
0.002 |
0 |
0.009 |
0 |
0.004 |
0 |
0.007 |
|
ap < 0.05 male or female Runners' Association versus matched community controls or male or female Ever-Runners versus matched gender Never-Runners. BMI, body mass index; VAS, visual analog scale. | ||||||||
Bruce et al. Arthritis Research & Therapy 2005 7:R1263 doi:10.1186/ar1825 |
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