Characteristics | WWIQ1(n = 4589) | WWIQ2(n = 4581) | P-value |
---|---|---|---|
Gender (%) |  |  |  < 0.001 |
 Male | 40.84 | 27.22 |  |
 Female | 59.16 | 72.78 |  |
Age (years) | 52.62 ± 16.26 | 60.24 ± 13.69 |  < 0.001 |
Stratified by age (years) (%) |  |  |  < 0.001 |
 20–39 | 24.43 | 8.12 |  |
 40–59 | 37.96 | 32.90 |  |
 60–80 | 37.61 | 58.98 |  |
Asthma onset age (years) | 23.89 ± 18.00 | 25.79 ± 19.48 |  < 0.001 |
Stratified by asthma onset age (years) (%) |  |  |  < 0.001 |
  < 12 | 29.92 | 21.48 |  |
  ≥ 12 | 70.08 | 78.52 |  |
Asthma duration (years) | 23.89 ± 18.00 | 25.79 ± 19.48 |  < 0.001 |
Quartiles of asthma duration (years) (%) |  |  |  < 0.001 |
 Q1 (0–9) | 25.02 | 24.10 |  |
 Q2 (10–19) | 22.79 | 22.75 |  |
 Q3 (20–38) | 28.50 | 25.63 |  |
 Q4 (39–79) | 23.69 | 27.53 |  |
Race (%) |  |  |  < 0.001 |
 White | 46.55 | 48.66 |  |
 Black | 28.94 | 19.91 |  |
 Other races | 24.52 | 31.43 |  |
Education level (%) |  |  |  < 0.001 |
  < High school | 22.99 | 29.71 |  |
 High school | 24.06 | 23.34 |  |
  > High school | 52.91 | 46.82 |  |
 Unclear | 0.04 | 0.13 |  |
PIR | 2.19 ± 1.53 | 1.87 ± 1.35 |  < 0.001 |
Stratified by PIR (%) |  |  |  < 0.001 |
  < 1.35 | 40.55 | 44.97 |  |
 1.35–3.45 | 36.33 | 39.75 |  |
  > 3.45 | 23.12 | 15.28 |  |
Smoking (%) | Â | Â | 0.532 |
 Now | 13.88 | 13.67 |  |
 Ever | 25.04 | 25.15 |  |
 Never | 40.01 | 38.94 |  |
 Unclear | 21.07 | 22.24 |  |
Alcohol (%) |  |  |  < 0.001 |
 Yes | 63.04 | 56.01 |  |
 No | 29.81 | 37.81 |  |
 Unclear | 7.15 | 6.18 |  |
Physical activity intensity (%) | Â | Â | 0.187 |
 Light | 26.32 | 27.31 |  |
 Moderate | 22.75 | 23.99 |  |
 Vigorous | 33.34 | 31.59 |  |
 Unclear | 17.59 | 17.11 |  |
Hypertension (%) |  |  |  < 0.001 |
 Yes | 56.35 | 74.50 |  |
 No | 43.65 | 25.13 |  |
 Unclear | 0.00 | 0.37 |  |
Diabetes (%) |  |  |  < 0.001 |
 Yes | 21.86 | 49.79 |  |
 Borderline | 5.95 | 3.21 |  |
 No | 72.11 | 46.82 |  |
 Unclear | 0.09 | 0.17 |  |
Prescription medications (%) | Â | Â | 0.830 |
 Yes | 71.30 | 71.47 |  |
 No | 28.68 | 28.49 |  |
 Unclear | 0.02 | 0.04 |  |
Energy (kcal) (%) |  |  |  < 0.001 |
 3.11–1565.4 | 25.23 | 31.26 |  |
 1565.5–2043.4 | 26.28 | 30.30 |  |
 2043.5–7878.5 | 31.49 | 25.13 |  |
 Unclear | 17.00 | 13.32 |  |
Sugars (gm) (%) |  |  |  < 0.001 |
 3.79–69.64 | 25.56 | 31.02 |  |
 69.65–113.98 | 26.59 | 29.95 |  |
 113.99–688.79 | 30.86 | 25.71 |  |
 Unclear | 17.00 | 13.32 |  |
Fat (gm) (%) |  |  |  < 0.001 |
 3.88–54.26 | 25.74 | 30.84 |  |
 54.40–80.77 | 27.85 | 28.51 |  |
 80.85–279.40 | 29.42 | 27.33 |  |
 Unclear | 17.00 | 13.32 |  |
Cholesterol (mg) |  |  |  < 0.001 |
 0–164.5 | 28.44 | 27.94 |  |
 165.0–310.5 | 24.80 | 31.89 |  |
 311.0–1692.0 | 29.77 | 26.85 |  |
 Unclear | 17.00 | 13.32 |  |
Moisture (gm) (%) |  |  |  < 0.001 |
 418.80–2127.31 | 28.50 | 28.03 |  |
 2127.32–3130.05 | 28.05 | 28.33 |  |
 3130.06–11,897.20 | 26.45 | 30.32 |  |
 Unclear | 17.00 | 13.32 |  |