Table 2 Characteristics of participants grouped by median BMI (kg/m2)
Characteristics | BMIQ1(n = 4560) | BMIQ2(n = 4610) | P-value |
|---|---|---|---|
Gender (%) |  |  |  < 0.001 |
 Male | 39.91 | 28.22 |  |
 Female | 60.09 | 71.78 |  |
Age (years) | 57.53 ± 16.67 | 55.34 ± 14.19 |  < 0.001 |
Stratified by age (years) (%) |  |  |  < 0.001 |
 20–39 | 17.57 | 15.01 |  |
 40–59 | 30.09 | 40.72 |  |
 60–80 | 52.35 | 44.27 |  |
Asthma onset age (years) | 32.83 ± 23.04 | 30.36 ± 20.69 |  < 0.001 |
Stratified by asthma onset age (years) (%) | Â | Â | 0.705 |
  < 12 | 25.88 | 25.53 |  |
  ≥ 12 | 74.12 | 74.47 |  |
Asthma duration (years) | 24.70 ± 19.12 | 24.97 ± 18.43 | 0.130 |
Quartiles of asthma duration (years) (%) |  |  | 0.211 |
 Q1 (0–9) | 24.76 | 24.36 |  |
 Q2 (10–19) | 23.25 | 22.30 |  |
 Q3 (20–38) | 26.10 | 28.03 |  |
 Q4 (39–79) | 25.90 | 25.31 |  |
Race (%) |  |  |  < 0.001 |
 White | 50.86 | 44.38 |  |
 Black | 20.55 | 28.26 |  |
 Other races | 28.60 | 27.35 |  |
Education level (%) | Â | Â | 0.003 |
 < High school | 28.05 | 24.66 |  |
 High school | 22.98 | 24.40 |  |
  > High school | 48.90 | 50.82 |  |
 Unclear | 0.07 | 0.11 |  |
PIR | 2.19 ± 1.51 | 1.87 ± 1.37 |  < 0.001 |
Stratified by PIR (%) |  |  |  < 0.001 |
  < 1.35 | 38.97 | 46.51 |  |
 1.35–3.45 | 38.33 | 37.74 |  |
  > 3.45 | 22.70 | 15.75 |  |
Smoking (%) |  |  |  < 0.001 |
 Now | 12.83 | 14.71 |  |
 Ever | 27.30 | 22.91 |  |
 Never | 40.37 | 38.59 |  |
 Unclear | 19.50 | 23.80 |  |
Alcohol (%) |  |  |  < 0.001 |
 Yes | 62.04 | 57.05 |  |
 No | 30.70 | 36.88 |  |
 Unclear | 7.26 | 6.07 |  |
Physical activity intensity (%) | Â | Â | 0.107 |
 Light | 27.46 | 26.18 |  |
 Moderate | 22.50 | 24.23 |  |
 Vigorous | 33.07 | 31.87 |  |
 Unclear | 16.97 | 17.72 |  |
Hypertension (%) |  |  |  < 0.001 |
 Yes | 56.78 | 73.97 |  |
 No | 43.03 | 25.86 |  |
 Unclear | 0.20 | 0.17 |  |
Diabetes (%) |  |  |  < 0.001 |
 Yes | 23.40 | 48.09 |  |
 Borderline | 72.48 | 46.62 |  |
 No | 4.12 | 5.03 |  |
 Unclear | 0.00 | 0.26 |  |
Prescription medications (%) | Â | Â | 0.026 |
 Yes | 72.52 | 70.26 |  |
 No | 27.43 | 29.72 |  |
 Unclear | 0.04 | 0.02 |  |
Energy (kcal) (%) |  |  |  < 0.001 |
 3.11–1565.4 | 28.77 | 27.72 |  |
 1565.5–2043.4 | 26.62 | 29.93 |  |
 2043.5–7878.5 | 26.75 | 29.85 |  |
 Unclear | 17.85 | 12.49 |  |
Sugars (gm) (%) |  |  |  < 0.001 |
 3.79–69.64 | 29.50 | 27.09 |  |
 69.65–113.98 | 27.06 | 29.46 |  |
 113.99–688.79 | 25.59 | 30.95 |  |
 Unclear | 17.85 | 12.49 |  |
Fat (gm) (%) |  |  |  < 0.001 |
 3.88–54.26 | 28.05 | 28.52 |  |
 54.40–80.77 | 28.07 | 28.29 |  |
 80.85–279.40 | 26.03 | 30.69 |  |
 Unclear | 17.85 | 12.49 |  |
Cholesterol (mg) (%) |  |  |  < 0.001 |
 0–164.5 | 29.47 | 26.92 |  |
 165.0–310.5 | 26.10 | 30.56 |  |
 311.0–1692.0 | 26.58 | 30.02 |  |
 Unclear | 17.85 | 12.49 |  |
Moisture (gm) (%) |  |  |  < 0.001 |
 418.80–2127.31 | 31.10 | 25.47 |  |
 2127.32–3130.05 | 26.71 | 29.65 |  |
 3130.06–11,897.20 | 24.34 | 32.39 |  |
 Unclear | 17.85 | 12.49 |  |