Characteristics of the complete case weighted study population and asthma/chronic obstructive pulmonary disease (COPD) subpopulation
Total population | Asthma/COPD population | |
Subjects n | 5675 | 846 |
Age years | 56±6 | 56±6 |
Male | 44 | 36 |
BMI kg·m−2 | 26±4 | 27±5 |
Waist/hip ratio | 0.89±0.08 | 0.89±0.09 |
Physical activity MET·week–1 | 30 (16–50) | 31 (16–47) |
Smoking | ||
Never | 38 | 33 |
Ex | 46 | 50 |
Current | 16 | 17 |
Lung disease | ||
COPD, registry | 2.5 | 21.5 |
COPD, questionnaire | 4.2 | 35.6 |
Asthma, registry | 8.0 | 66.9 |
Asthma, questionnaire | 4.4 | 37.4 |
FEV1/FVC <0.7 | 14.8 | 32.5 |
Lung medication use | ||
Any bronchodilator | 5.3 | 40.2 |
SABA | 2.1 | 15.3 |
LABA | 0.4 | 3.1 |
SAMA | 0.1 | 0.9 |
LAMA | 0.9 | 6.7 |
ICS | 1.8 | 13.7 |
LABA+ICS | 3.8 | 29.4 |
LABA+LAMA+ICS | 0.6 | 4.8 |
Theophylline | 0.0 | 0.5 |
Mucolytics | 0.4 | 1.3 |
OCS | 0.4 | 1.8 |
Comorbidity | ||
Cardiovascular disease# | 6.0 | 7.0 |
Diabetes mellitus¶ | 3.5 | 4.7 |
Depression+ | 13.9 | 21.1 |
Severe depression | 3.4 | 5.4 |
Data are presented as weighted mean±sd or median (interquartile range) for continuous outcomes and weighted proportion (%) for categorical outcomes, unless otherwise stated. BMI: body mass index; MET: metabolic equivalent of tasks; FEV1: forced expiratory volume in 1 s; FVC: forced vital capacity; SABA: short-acting β-agonist; LABA: long-acting β-agonist; SAMA: short-acting muscarinic antagonist; LAMA: long-acting muscarinic antagonist; ICS: inhaled corticosteroid; OCS: oral corticosteroid. #: myocardial infarction, angina, congestive heart failure, peripheral vascular disease; ¶: defined as self-reported diabetes mellitus type 1 or type 2 or medication use; +: defined as an Inventory of Depressive Symptomatology score ≥18 (severe depression as a score ≥29).