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Table 2 ORs (95% CIs) of the prevalence of chronic respiratory diseases (CRDs) according to dietary flavonoid intake levels (mg/day) among adults in NHANES 2007–2010 and 2017–2018

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

 

Continous flavonoid intakes

Category of flavonoid intakes

OR (95% CI)

P value

Group 1

Group 2

Group 3

P trend

Isoflavones

 Crude

0.97(0.95,1.00)

0.04

Ref (1.00)

0.87(0.76,1.01)

0.86(0.74,1.00)

0.03

 Model 1

0.98(0.95,1.00)

0.07

Ref (1.00)

0.88(0.76,1.02)

0.90(0.77,1.05)

0.10

 Model 2

0.99(0.96,1.02)

0.41

Ref (1.00)

0.92(0.79,1.07)

0.96(0.82,1.13)

0.48

Anthocyanidins

 Crude

0.96(0.94,0.98)

 < 0.01

Ref (1.00)

0.86(0.75,0.98)

0.76(0.66,0.88)

 < 0.01

 Model 1

0.96(0.94,0.98)

 < 0.01

Ref (1.00)

0.86(0.75,0.98)

0.73(0.63,0.85)

 < 0.01

 Model 2

0.97(0.95,0.99)

0.01

Ref (1.00)

0.93(0.80,1.07)

0.84(0.72,0.97)

0.02

Flavan-3-ols

 Crude

0.98(0.96,1.00)

0.02

Ref (1.00)

0.85(0.74,0.99)

0.83(0.73,0.93)

 < 0.01

 Model 1

0.98(0.96,0.99)

0.01

Ref (1.00)

0.86(0.74,1.00)

0.81(0.72,0.92)

 < 0.01

 Model 2

0.99(0.97,1.01)

0.20

Ref (1.00)

0.92(0.78,1.07)

0.88(0.77,1.01)

0.07

Flavanones

 Crude

0.96(0.94,0.98)

 < 0.01

Ref (1.00)

0.87(0.74,1.02)

0.73(0.63,0.84)

 < 0.01

 Model 1

0.96(0.94,0.98)

 < 0.01

Ref (1.00)

0.86(0.73,1.01)

0.72(0.62,0.83)

 < 0.01

 Model 2

0.97(0.96,0.99)

 < 0.01

Ref (1.00)

0.94(0.79,1.11)

0.80(0.69,0.92)

 < 0.01

Flavones

 Crude

0.94(0.92,0.96)

 < 0.01

Ref (1.00)

0.78(0.68,0.90)

0.74(0.65,0.84)

 < 0.01

 Model 1

0.95(0.92,0.97)

 < 0.01

Ref (1.00)

0.78(0.68,0.90)

0.76(0.67,0.87)

 < 0.01

 Model 2

0.97(0.94,1.00)

0.04

Ref (1.00)

0.84(0.73,0.97)

0.85(0.73,0.98)

0.03

Flavonols

 Crude

0.95(0.91,0.98)

0.01

Ref (1.00)

0.86(0.73,1.01)

0.84(0.73,0.96)

0.01

 Model 1

0.96(0.92,1.00)

0.03

Ref (1.00)

0.89(0.75,1.04)

0.88(0.76,1.01)

0.06

 Model 2

0.98(0.93,1.02)

0.28

Ref (1.00)

0.93(0.79,1.10)

0.92(0.80,1.07)

0.29

Total flavonoids

 Crude

0.95(0.93,0.98)

 < 0.01

Ref (1.00)

0.80(0.69,0.93)

0.79(0.70,0.90)

 < 0.01

 Model 1

0.95(0.93,0.98)

 < 0.01

Ref (1.00)

0.81(0.70,0.94)

0.78(0.69,0.89)

 < 0.01

 Model 2

0.97(0.94,0.99)

0.05

Ref (1.00)

0.87(0.75,1.02)

0.86(0.75,0.98)

0.03

  1. Model 1 was adjusted for age (< 40, 40–59, or > 59), sex (male or female), and race/ethnicity (Mexican American, Other Hispanic, Non-Hispanic 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), 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)