Table 1. Demographic data and GOLD stages (N = 152).
| Characteristics | Web-based video N = 75 |
Personal instruction N = 77 |
|---|---|---|
| Age (years), mean ± SD | 66.6±7.7 | 68.2±9.1 |
| Male (% of total) | 45.3 | 52.0 |
| BMI (Kg/m2), mean ± SD | 26.9±7.1 | 26±6.9 |
| Smoking (pack years), mean ± SD | 51.9±36.2 | 47.6±27.6 |
| High School (%) | 8.0 | 10.4 |
| Secondary School (%) | 18.7 | 22.1 |
| Primary School (%) | 66.7 | 62.3 |
| Special-needs School (%) | 2.7 | 0 |
| No School (%) | 4.0 | 2.6 |
| Exacerbation history (per year), mean ± SD | 2.6±1.3 | 2.6±1.7 |
| CAT Score | 25.2±6.9 | 24.9±6.8 |
| GOLD Stage 1 (%) | 2.7 | 0 |
| GOLD Stage 2 (%) | 21.3 | 20.8 |
| GOLD Stage 3 (%) | 37.3 | 40.3 |
| GOLD Stage 4 (%) | 38.7 | 39.0 |
| GOLD Stage A (%) | 0 | 0 |
| GOLD Stage B (%) | 2.7 | 5.2 |
| GOLD Stage C (%) | 1.3 | 0 |
| GOLD Stage D (%) | 96.0 | 94.8 |
| FEV1 (% pred), mean ± SD | 39.2±17.4 | 37.0±16.4 |
| FEV1/FVC (%),mean ± SD | 49.1±13.1 | 47.2±11.8 |
| FVC (% pred), mean ± SD | 63.9±22.2 | 62.6±19.6 |
| RV (% pred), mean ± SD | 187.6±72.8 | 182.6±81.6 |
| TLC (% pred), mean ± SD | 110.5±22.7 | 107.2±28.3 |