Table 4.
Associations between activity and dyspnea
| Univariable | Includes mobility, chronic respiratory disease |
Includes mobility, chronic respiratory disease, race |
Includes mobility, chronic respiratory disease, race, season* |
||||||
|---|---|---|---|---|---|---|---|---|---|
| Activity | Odds ratio 95% CI |
P | Odds ratio 95% CI |
P | Odds ratio 95% CI |
P | Odds ratio 95% CI |
P | |
| Model 1 | |||||||||
| Hours away from home/yard in previous 3 days (quartiles) | |||||||||
| ≤ 7 (median=4.0) | 2.12 1.08, 4.17 |
0.029 | 1.97 0.98, 3.94 |
0.057 | 1.83 0.91,3.69 |
0.092 | 1.69 0.83, 3.44 |
0.145 | |
| > 7 to ≤ 14 (median=10.9) | 1.73 0.87, 3.45 |
0.120 | 1.44 0.71, 2.93 |
0.320 | 1.41 0.69 2.89 |
0.347 | 1.40 0.68, 2.88 |
0.360 | |
| >14 to ≤ 23 (median=18.0 | 1.73 0.87, 3.45 |
0.120 | 1.65 0.82, 3.34 |
0.160 | 1.58 0.78, 3.21 |
0.204 | 1.52 0.75, 3.11 |
0.248 | |
| >23 (median=30.0) | Reference | Reference | Reference | Reference | |||||
| Model 2 | |||||||||
| Planned exercise in a typical week | 0.56 0.34, 0.91 |
0.020 | 0.57 0.34, 0.94 |
0.029 | 0.57 0.34, 0.94 |
0.029 | 0.57 0.34, 0.95 |
0.032 | |
| Model 3 | |||||||||
| Participation in organized sports | 0.61 0.33, 1.12 |
0.110 | 0.66 0.35, 1.23 |
0.192 | 0.69 0.37, 1.30 |
0.252 | 0.69 0.36, 1.32 |
0.265 | |
*
Examples of effects of other covariates on dyspnea (from Model 1): Race OR=1.79 (0.99, 3.22), p=0.054; Chronic respiratory disease: OR=2.02 (1.12, 3.66, p=0.020); Walk with an assistive device OR=2.41 (1.20, 4.82, p=0.013) and Walk without an aide OR=1.59 (0.79, 3.20, p=0.198), ref=manual wheelchair; fall OR=1.91 (0.93, 3.92, p=0.080), spring OR=1.18 (0.54, 2.58, p=0.677), summer OR=1.41 (0.66, 3.02, p=0.382), ref=winter.