Skip to main content

Table 4 Association between dietary iron intake and osteoporosis among U.S. adults in NHANES 2005–2018

From: Dietary iron intake and its impact on osteopenia/osteoporosis

 

Crude model

Model 1

Model 2

 

OR(95% CI)

OR(95% CI)

OR(95% CI)

Continuous

0.97 (0.96–0.98)

1.00 (0.98–1.02)

0.99 (0.97–1.01)

Quartile

   

Q1

1

1

1

Q2

0.77 (0.63–0.94)

0.73 (0.48–1.11)

0.77 (0.50–1.19)

Q3

0.57 (0.46–0.71)

0.54 (0.35–0.85)

0.54 (0.34–0.85)

Q4

0.59 (0.48–0.73)

0.89 (0.58–1.36)

0.83 (0.54–1.29)

P for trend

< 0.05

0.372

0.215

  1. Crude model: no adjustment
  2. Model 1: adjusted sex, races, education, alcohol intake, smoking status, the ratio of family poverty, and MET
  3. Model 2: further adjusted CVD, BMI, and diabetes