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Table 3 Joint and interactive effects of obesity and CDAI on the risk of CMM

From: Obesity, composite dietary antioxidant index, and their interactive association with the risk of cardiometabolic multimorbidity in the elderly from a large national survey

Group

Unadjusted OR (95%CI)

P Value

Model 1a OR (95%CI)

P Value

Model 2b OR (95%CI)

P Value

Anti-oxidant diet & Non-Obese

Ref

 

Ref

 

Ref

 

Pro-oxidant diet & Non-Obese

1.47(1.21, 1.78)

< 0.001

1.53(1.25, 1.87)

< 0.001

1.33(1.08, 1.64)

0.008

Anti-oxidant diet & Obese

2.23(1.78, 2.80)

< 0.001

2.45(1.95, 3.09)

< 0.001

2.03(1.59, 2.59)

< 0.001

Pro-oxidant diet & Obese

3.36(2.64, 4.29)

< 0.001

4.01(3.12, 5.14)

< 0.001

3.11(2.39, 4.04)

< 0.001

Addictive interaction

 RERI (95% CI)

0.67(0.08, 1.26)

 

1.02(0.32, 1.73)

 

0.75(0.21, 1.29)

 

 AP (95% CI)

0.20(0.04, 0.35)

 

0.26(0.11, 0.40)

 

0.24(0.09, 0.39)

 

 SI (95% CI)

1.40(1.04, 1.88)

 

1.51(1.15, 2.00)

 

1.55(1.11, 2.16)

 
  1. Obesity was defined as BMI ≥ 30 kg/m2. Pro-oxidant diet was defined as below the median of CDAI score
  2. CI confidence interval, OR odds ratio, CDAI Composite Dietary Antioxidant Index
  3. ap vaule after adjustment for age and sex
  4. bp vaule after adjustment for age, sex, ethnicity, marital status, education, smoking, physical activity, hypertension