Table 4.

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

	Cluster 1		Cluster 2		Cluster 3		Cluster 4		Cluster 5		Cluster 6
Variables	OR(95%CI)	P value	OR(95%CI)	P value	OR(95%CI)	P value	OR(95%CI)	P value	OR(95%CI)	P value	OR(95%CI)	P value
Age (years)	1.06(1.05–1.07)	< 0.001	1.05(1.04–1.06)	< 0.001	1.06(1.04–1.06)	< 0.001	1.05(1.04–1.06)	< 0.001	0.98(0.97–1.00)	0.059	0.97(0.96–0.98)	< 0.001
Education
Level 3 (> 12 years)	Reference
Level 1 (0–8 years)	1.56(0.97–2.49)	0.063	1.44(0.85–2.44)	0.169	1.17(0.71–1.91)	0.530	1.34(0.83–2.15)	0.225	1.37(0.70–2.71)	0.354	1.92(0.77–4.7)	0.158
Level 2 (9–12 years)	1.31(0.77–2.24)	0.313	1.03(0.55–1.88)	0.932	1.06(0.60–1.85)	0.829	1.20(0.70–2.04)	0.497	1.15(0.56–2.38)	0.693	1.65(0.64–4.22)	0.296
Physical activity level
High	Reference
Low	1.00(0.78–1.27)	0.995	0.86(0.65–1.12)	0.256	0.69(0.54–0.89)	0.004	1.05(0.83–1.34)	0.672	1.05(0.80–1.37)	0.714	0.99(0.75–1.32)	0.989
Smoking
Never	Reference
Past	0.89(0.64–1.29)	0.625	0.88(0.60–1.10)	0.559	0.86(0.59–1.25)	0.446	0.85(0.591.18)	0.315	0.99(0.58–1.34)	0.559	0.88(0.71–1.44)	0.922
Passive	0.93(0.65–1.33)	0.712	1.03(0.69–1.55)	0.861	1.04(0.71–1.53)	0.828	1.16(0.83–1.62)	0.374	1.05(0.72–1.53)	0.770	1.05(0.71–1.56)	0.780
Current	0.51(0.41–0.65)	< 0.001	0.52(0.39–0.67)	< 0.001	0.57(0.43–0.73)	< 0.001	0.39(0.29–0.48)	< 0.001	0.64(0.49–0.81)	< 0.001	0.63(0.47–0.81)	0.001

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

MRFS metabolic risk factors, OR odds ratio, CI confidence interval

*P values are based on statistical significance of OR