Regular physical activity in 2386* COPD subjects recruited from the general population in Copenhagen, Denmark according to COPD severity (GOLD stages)
| All subjects(n = 2386) | GOLD I:Mild(n = 833) | GOLD II:Moderate(n = 1095) | GOLD III:Severe(n = 354) | GOLD IV:Very severe(n = 94) | p value(χ2 test) | |
|---|---|---|---|---|---|---|
| Values are presented as n (%). | ||||||
| *The numbers do not always add up to 2386 as some values are missing for certain variables: 324 in physical activity at work, 11 in physical activity during leisure time, 8 in jogging, 15 in cycling in winter, 15 in cycling in summer, and 10 in lung function (GOLD stage). | ||||||
| Physical activity at work | ||||||
| Mainly sitting | 824 (40.0) | 280 (38.7) | 365 (37.9) | 129 (43.7) | 44 (61.1) | 0.003 |
| Sitting and standing | 763 (37.0) | 254 (35.1) | 376 (39.0) | 111 (37.6) | 20 (27.8) | |
| Walking & lifting | 392 (19.0) | 156 (21.6) | 182 (18.9) | 48 (16.3) | 6 (8.3) | |
| Heavy activity | 83 (4.0) | 33 (4.6) | 41 (4.2) | 7 (2.4) | 2 (2.8) | |
| Physical activity during leisure time | ||||||
| Light activity <2 h/week and no heavy activity | 540 (22.7) | 123 (14.8) | 246 (22.6) | 124 (35.2) | 42 (45.2) | <0.001 |
| Light activity 2–4 h/week and no heavy activity | 1073 (45.2) | 385 (46.4) | 506 (46.4) | 143 (40.6) | 37 (39.8) | |
| Light activity >4 h/week and/or heavy activity <4 h/week | 713 (30.0) | 296 (35.7) | 318 (29.2) | 82 (23.3) | 14 (15.0) | |
| Heavy activity >4 h/week | 49 (2.1) | 26 (3.1) | 20 (1.8) | 3 (0.9) | 0 (0) | |
| Jogging | 39 (1.6) | 20 (2.4) | 17 (1.6) | 2 (0.6) | 0 (0) | 0.068 |
| Cycling winter (hours/week) | ||||||
| No | 1839 (77.5) | 582 (70.4) | 865 (79.4) | 299 (84.9) | 83 (89.2) | <0.001 |
| <0.5 | 224 (9.5) | 108 (13.1) | 85 (7.8) | 25 (7.1) | 6 (6.5) | |
| 0.5–1 | 180 (7.6) | 79 (9.5) | 79 (7.3) | 19 (5.4) | 3 (3.2) | |
| 1–2 | 97 (4.1) | 41 (4.9) | 49 (4.5) | 6 (1.7) | 1 (1.1) | |
| >2 | 31 (1.3) | 17 (2.1) | 11 (1.0) | 3 (0.9) | 0 (0) | |
| Cycling summer (hours/week) | ||||||
| No | 1481 (62.5) | 429 (51.9) | 705 (64.7) | 260 (74.0) | 78 (84.8) | <0.001 |
| <0.5 | 273 (11.5) | 124 (15.0) | 114 (10.4) | 29 (8.2) | 6 (6.5) | |
| 0.5–1 | 291 (12.3) | 136 (16.4) | 122 (11.2) | 29 (8.2) | 3 (3.2) | |
| 1–2 | 195 (8.2) | 86 (10.4) | 90 (8.3) | 17 (4.8) | 2 (2.2) | |
| >2 | 131 (5.5) | 52 (6.3) | 59 (5.4) | 17 (4.8) | 3 (3.3) | |
| Physical activity summary score | ||||||
| Very low | 219 (9.2) | 45 (5.4) | 97 (8.9) | 54 (15.3) | 20 (21.5) | <0.001 |
| Low | 294 (12.4) | 69 (8.3) | 138 (12.7) | 65 (18.5) | 20 (21.5) | |
| Moderate | 1089 (45.8) | 389 (46.9) | 511 (46.9) | 148 (42) | 39 (41.9) | |
| High | 773 (32.6) | 327 (39.4) | 344 (31.5) | 85 (24.2) | 14 (15.1) | |