Table 2.
Sex-stratified comparative analysis of lung function measure among smokers without sedentary lifestyle vs. non-smokers with sedentary lifestyle.
| Characteristics | Model 1 | Model 2 | ||||
|---|---|---|---|---|---|---|
| NSK-SL | SK-NSL | p | NSK-SL | SK-NSL | p | |
| Women | ||||||
| Forced expiratory volume in 1 second (FEV1) | 2.08 ± 0.02 | 2.07 ± 0.03 | 0.7342 | 2.11 ± 0.02 | 2.05 ± 0.04 | 0.1932 |
| Forced Vital Capacity (FVC) | 2.56 ± 0.03 | 2.57 ± 0.04 | 0.8300 | 2.59 ± 0.03 | 2.51 ± 0.05 | 0.1355 |
| FEV1/FVC Ratio | 81.6 ± 0.42 | 80.7 ± 0.68 | 0.2670 | 81.5 ± 0.46 | 81.6 ± 0.76 | 0.9269 |
| FEV1% Predicted | 92.5 ± 0.86 | 89.5 ± 1.40 | 0.0689 | 93.3 ± 0.92 | 88.6 ± 1.53 | 0.0102 |
| FVC % Predicted | 91.2 ± 0.89 | 89.1 ± 1.44 | 0.2028 | 92.1 ± 0.95 | 86.9 ± 1.58 | 0.0055 |
| Airways Obstruction | 1.00 | 0.59 (0.30,1.15) | 0.1200 | 1.00 | 0.68 (0.32,1.48) | 0.3328 |
| Men | ||||||
| FEV1 | 2.85 ± 0.04 | 2.86 ± 0.05 | 0.9037 | 2.91 ± 0.05 | 2.89 ± 0.05 | 0.7679 |
| FVC | 3.56 ± 0.06 | 3.74 ± 0.06 | 0.0333 | 3.59 ± 0.06 | 3.71 ± 0.06 | 0.1543 |
| FEV1/FVC | 80.8 ± 0.68 | 76.6 ± 0.69 | <0.0001 | 80.9 ± 0.71 | 78.1 ± 0.69 | 0.0048 |
| FEV1% Predicted | 90.2 ± 1.28 | 87.2 ± 1.29 | 0.1042 | 91.2 ± 1.37 | 87.5 ± 1.34 | 0.0641 |
| FVC % Predicted | 89.6 ± 1.43 | 90.2 ± 1.43 | 0.7942 | 89.2 ± 1.32 | 89.0 ± 1.29 | 0.9312 |
| Airways Obstruction | 1.00 | 1.21 (0.62, 2.34) | 0.5744 | 1.00 | 1.46 (0.66, 3.24) | 0.3471 |
Note: Model 1—Age-adjusted model; Model 2—Model 1 plus marital status, income, body mass index, alcohol consumption, prevalent hypertension, anti-hypertension medication, prevalent type 2 diabetes, anti-diabetic medication, smoking duration and inhalation pattern.