Table 2.
Association between LnU and asthma prevalence in NHANES during the period 2007–2016.
| Asthma prevalence OR (95% CI) p-value | |||
|---|---|---|---|
| Non-adjusted | Adjusted Model I | Adjusted Model II | |
| LnU | 1.09 (1.04, 1.14) 0.0003 | 1.10 (1.05, 1.15) <0.0001 | 1.12 (1.04, 1.20) 0.0020 |
| Quartiles | |||
| LnU Q1 | Ref. (1) | Ref. (1) | Ref. (1) |
| LnU Q2 | 1.19 (1.04, 1.36) 0.0137 | 1.18 (1.03, 1.35) 0.0209 | 1.31 (1.09, 1.56) 0.0033 |
| LnU Q3 | 1.24 (1.09, 1.42) 0.0016 | 1.24 (1.08, 1.43) 0.0020 | 1.24 (1.03, 1.50) 0.0250 |
| LnU Q4 | 1.26 (1.10, 1.45) 0.0007 | 1.30 (1.13, 1.49) 0.0002 | 1.38 (1.12, 1.69) 0.0022 |
| P for trend | 0.0007 | 0.0002 | 0.0104 |
| Adjusted model I: age, gender, race, and BMI | |||
| Adjusted model II: age, gender, race, BMI, education, marital status, PIR, diabetes, hypertension, alcohol use, BUN, TB, TP, globulin, LnBa, LnCd, LnCo, LnCs, LnPb, LnSb, LnTl, LnTu, and LnHg | |||
U, uranium; NHANES, National Health and Nutrition Examination Survey; OR, odds ratio; CI, confidence interval; BMI, body mass index; PIR, poverty to income ratio; BUN, blood urea nitrogen; TB, total bilirubin; TP, total protein; Ba, barium; Cd, cadmium; Co, cobalt; Cs, cesium; Pb, lead; Sb, stibium; Tl, thallium; Tu, tungsten; Hg, mercury.