Table 4.
Association of physical activity with incident ESRD
| Physical Activity Level | Number of Events (%) | Incidence Rate (per 100 person-years) | Hazard Ratio (95% Confidence Interval) | ||
|---|---|---|---|---|---|
| Model 1a | Model 2b | Model 3c | |||
| None | 60 (10) | 5.68 | 1.0 (ref) | 1.0 (ref) | 1.0 (ref) |
| Any | 196 (24) | 3.56 | 0.59 (0.28 to 1.24) | 0.59 (0.27 to 1.30) | 1.02 (0.45 to 2.32) |
| P value (any versus none) | 0.19 | 0.21 | 0.93 | ||
| Per 60 min/week increment | 0.90 (0.74 to 1.10) | 0.92 (0.74 to 1.12) | 0.98 (0.85 to 1.14) | ||
P values for continuous association (per 60 minute/week increment in physical activity) were 0.32, 0.41, and 0.88, for models 1, 2, and 3, respectively.
a
Model 1 is adjusted for age, race, sex, and site.
b
Model 2 is adjusted for the variables in model 1 plus education, body mass index, diabetes, smoking status, alcohol, and prevalent coronary artery disease.
c
Model is adjusted for the variables in model 2 plus hemoglobin A1c, systolic BP, angiotensin-converting enzyme inhibitor use, angiotensin-receptor blocker use, statin use, C-reactive protein, and baseline eGFR cystatin C.