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Table 4 Associations between individuals' characteristics and clusters membership in men, Tehran Lipid and Glucose Study (1999–2014)

From: Sex-specific clustering of metabolic risk factors and cancer risk: a longitudinal study in Iran

 Cluster 1Cluster 2Cluster 3Cluster 4Cluster 5Cluster 6
VariablesOR(95%CI)P valueOR(95%CI)P valueOR(95%CI)P valueOR(95%CI)P valueOR(95%CI)P valueOR(95%CI)P value
Age (years)1.06(1.05–1.07)< 0.0011.05(1.04–1.06)< 0.0011.06(1.04–1.06)< 0.0011.05(1.04–1.06)< 0.0010.98(0.97–1.00)0.0590.97(0.96–0.98)< 0.001
Education
 Level 3 (> 12 years)Reference           
 Level 1 (0–8 years)1.56(0.97–2.49)0.0631.44(0.85–2.44)0.1691.17(0.71–1.91)0.5301.34(0.83–2.15)0.2251.37(0.70–2.71)0.3541.92(0.77–4.7)0.158
 Level 2 (9–12 years)1.31(0.77–2.24)0.3131.03(0.55–1.88)0.9321.06(0.60–1.85)0.8291.20(0.70–2.04)0.4971.15(0.56–2.38)0.6931.65(0.64–4.22)0.296
Physical activity level            
 HighReference           
 Low1.00(0.78–1.27)0.9950.86(0.65–1.12)0.2560.69(0.54–0.89)0.0041.05(0.83–1.34)0.6721.05(0.80–1.37)0.7140.99(0.75–1.32)0.989
Smoking            
 NeverReference           
 Past0.89(0.64–1.29)0.6250.88(0.60–1.10)0.5590.86(0.59–1.25)0.4460.85(0.591.18)0.3150.99(0.58–1.34)0.5590.88(0.71–1.44)0.922
 Passive0.93(0.65–1.33)0.7121.03(0.69–1.55)0.8611.04(0.71–1.53)0.8281.16(0.83–1.62)0.3741.05(0.72–1.53)0.7701.05(0.71–1.56)0.780
 Current0.51(0.41–0.65)< 0.0010.52(0.39–0.67)< 0.0010.57(0.43–0.73)< 0.0010.39(0.29–0.48)< 0.0010.64(0.49–0.81)< 0.0010.63(0.47–0.81)0.001
  1. Results obtained from the multinomial logistic regression. Cluster 7 with the lowest mean number of MRFs (Table 2) was considered as reference group in multinomial regression analysis
  2. MRFS metabolic risk factors, OR odds ratio, CI confidence interval
  3. *P values are based on statistical significance of OR