Table S1.
Distribution of some characteristics according to imputation for the variable mMRC
| Variables | Walking slower than people of same age
|
Stop walking to breath
|
Stop walking after 100 m
|
Cannot change the clothes
|
||||
|---|---|---|---|---|---|---|---|---|
| Not imputed | Imputed | Not imputed | Imputed | Not imputed | Imputed | Not imputed | Imputed | |
|
|
|
|
|
|||||
| n=1,752 | n=1,318 | n=1,721 | n=1,349 | n=1,705 | n=1,365 | n=1,694 | n=1,376 | |
| Sex, male, n (%) | 866 (49.9) | 395 (30.0) | 856 (49.7) | 405 (30.0) | 851 (49.9) | 410 (30.0) | 849 (50.1) | 412 (29.9) |
| Age, years, mean (SD) | 56.9 (12.1) | 57.8 (12.0) | 56.8 (12.1) | 57.9 (12.0) | 56.8 (12.1) | 57.9 (12.0) | 56.8 (12.7) | 57.9 (12.1) |
| Schooling, years, mean (SD) | 8.2 (5.1) | 7.3 (4.5) | 8.1 (5.2) | 7.2 (4.4) | 8.2 (5.2) | 7.2 (4.4) | 8.3 (5.2) | 7.2 (4.4) |
| BMI, kg/m2, mean (SD) | 27.1 (4.7) | 29.2 (6.0) | 27.1 (4.7) | 29.2 (6.0) | 27.1 (4.7) | 29.2 (6.0) | 27.1 (4.7) | 29.2 (6.0) |
| FEV1, L, mean (SD) | 2.8 (0.8) | 2.4 (0.7) | 2.9 (0.8) | 2.4 (0.7) | 2.9 (0.8) | 2.4 (0.7) | 2.9 (0.8) | 2.4 (0.7) |
| FVC, L, mean (SD) | 3.7 (1.0) | 3.2 (0.9) | 3.7 (1.0) | 3.2 (0.9) | 3.7 (1.0) | 3.2 (0.9) | 3.7 (1.0) | 3.2 (0.9) |
Abbreviations: BMI, body mass index; FEV1, forced expiratory volume in 1 s; FVC, forced vital capacity; mMRC, modified Medical Research Council; SD, standard deviation.