Table 2.
OR (95% CIs) of the prevalence of asthma according to quartiles of ALI among adults in NHANES 1999–2018.
| Quartiles of ALI levels | P-trend | ||||
|---|---|---|---|---|---|
| Quartile 1 | Quartile 2 | Quartile 3 | Quartile 4 | ||
| Range | < 43.98 | 43.99–61.37 | 61.38–84.01 | > 84.02 | |
| Crude | 1.00 [Reference] | 1.04 (0.96, 1.13) | 1.12 (1.03, 1.21) | 1.14 (1.05, 1.24) | 0.003 |
| Model 1 | 1.00 [Reference] | 1.04 (0.95, 1.13) | 1.12 (1.04, 1.22) | 1.11 (1.02, 1.21) | 0.014 |
| Model 2 | 1.00 [Reference] | 1.03 (0.94, 1.12) | 1.10 (1.01, 1.19) | 1.07 (0.98, 1.16) | 0.2 |
Data are presented as OR (95% CI) unless indicated therwise; Model 1 was adjusted as age (continuous), sex (male or female), and race/ethnicity (Mexican American, Other Hispanic, NonHispanic White, Non-Hispanic Black or Other); Model 2 was adjusted as model 1 plus education level (below high school, high school, or above high school), family poverty income ratio (≤ 1.0,1.1–3.0, or > 3.0), drinking status (nondrinker, drinker), smoking status (never smoker, former smoker, or current smoker), BMI (< 18.5, 18.5- 25.0, 25.0–29.9, or > 29.9), activated physical activity (yes or no), self-reported diabetes (yes or no), and self-reported hypertension (yes or no).