Association of dietary flavonoid intakes with prevalence of chronic respiratory diseases in adults

Table 3 WQS regression model to assess the negative association of the mixture of six dietary flavonoids intakes with the prevalence of chronic respiratory diseases (CRDs) and its components

Outcomes	OR	95%CI	P value
CRDS	0.88	0.82–0.95	< 0.01
Asthma	0.92	0.85–0.99	0.02
Chronic bronchitis	0.88	0.78–0.98	0.03
Emphysema	0.70	0.55–0.89	< 0.01

OR, odds ratio; CI, confidence interval; WQS, weighted quantile sum. WQS regression model was adjusted for age (< 40, 40–59, or > 59), sex (male or female), race/ethnicity (Mexican American, Other Hispanic, Non-Hispanic White, Non-Hispanic Black or Other), education level (below high school, high school, or above high school), family poverty income ratio (≤ 1.0, 1.1–3.0, or > 3.0), smoking status (never smoker, former smoker, or current smoker), energy intake levels (in tertiles), metabolic syndrome (yes or no), and supplement use (yes or no)

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