Table 1.
Unadjusted baseline characteristics by patterns of PA habits over time.
| Stable active (n = 49) | From inactive to active (n = 25) | From active to inactive (n = 43) | Stable inactive (n = 33) | p value | |
|---|---|---|---|---|---|
| Age, mean (SD), y | 61.0 (6.8) | 62.4 (4.9) | 63.5 (8.2) | 62.7 (7.3) | .434 |
| Female | 17 (34.7) | 9 (36.0) | 17 (39.5) | 17 (51.5) | .463 |
| BMI, mean (SD), kg/m2 | 21.4 (2.4) | 22.0 (2.3) | 21.5 (2.4) | 22.0 (2.7) | .579 |
| Education, mean (SD), y | 8.8 (2.5) | 8.6 (1.9) | 9.4 (3.3) | 8.9 (2.6) | .860 |
| Religion (yes) | 38 (77.6) | 22 (88.0) | 35 (81.4) | 27 (81.8) | .753 |
| Single household | 18 (36.7) | 3 (12.0) | 10 (23.3) | 2 (6.1) | .006 |
| Unemployed | 17 (34.7) | 21 (84.0) | 23 (53.5) | 30 (90.9) | <.001 |
| Current smoking | 14 (28.6) | 11 (44.0) | 20 (46.5) | 15 (45.5) | .261 |
| Alcohol abuse | 6 (12.2) | 2 (8.0) | 4 (9.3) | 7 (21.2) | .374 |
| Diabetes mellitus | 6 (12.2) | 3 (12.0) | 22 (51.2) | 26 (78.8) | <.001 |
| Previous psychiatric history | 4 (8.0) | 2 (8.0) | 3 (7.0) | 5 (15.2) | .622 |
| Comorbidity | .890 | ||||
| ≤1 | 7 (20.4) | 4 (16.0) | 9 (20.9) | 5 (15.2) | |
| ≥2 | 39 (79.6) | 21 (84.0) | 34 (79.1) | 28 (84.8) | |
| Duration of CKD, mean (SD), y | 2.99 (1.33) | 3.40 (1.53) | 3.30 (1.50) | 3.40 (1.52) | .637 |
| CKD by stage | .623 | ||||
| 2 | 8 (16.3) | 5 (20.0) | 4 (9.3) | 2 (6.1) | |
| 3 | 18 (36.7) | 10 (40.0) | 16 (37.2) | 10 (30.3) | |
| 4 | 16 (32.7) | 7 (28.0) | 14 (32.6) | 11 (33.3) | |
| 5 | 7 (14.3) | 3 (12.0) | 9 (20.9) | 10 (30.3) | |
| SBP, mean (SD), mmHg | 135 (13.2) | 135 (14.5) | 141 (18.2) | 138 (16.4) | .426 |
| Hemoglobin, mean (SD), g/dL | 10.3 (2.1) | 10.0 (2.3) | 9.9 (2.0) | 9.6 (2.1) | .540 |
| Albumin, mean (SD), g/dL | 3.0 (0.3) | 3.0 (0.3) | 3.0 (0.3) | 2.9 (0.4) | .184 |
| Creatinine, mean (SD), mg/dL | 4.5 (0.9) | 4.6 (1.0) | 4.5 (0.9) | 4.7 (1.2) | .830 |
| Estimated GFR, mean (SD), mL/min | 38.0 (9.8) | 33.8 (10.7) | 37.0 (9.7) | 37.8 (8.4) | .251 |
Data are presented as mean (SD) and numbers (%) if not otherwise stated.
PA: physical activity; SD: standard deviation; BMI: body mass index; CKD: chronic kidney disease; SBP: systolic blood pressure; GFR: glomerular filtration rate.