Association between lifetime endogenous estrogen exposure and body composition metrics in postmenopausal women: findings from the Tehran Lipid and Glucose Study

Table 2 Anthropometric and body composition indices in different tertiles of endogenous estrogen exposure.^**

Variables	T1	T2	T3	Total	Pvalue
Weight, kg	73.1 (11.7)	72.1 (11.6)•	68.7 (12)^*	71.3 (12)	< 0.001
BMI, kg/m²	30.5 (4.6) ^Ɨ	29.5 (4.7)	29.04 (5)^*	29.7 (4.8)	< 0.001
WC,cm	101.3 (10.2) ^Ɨ	99.06 (9.5)	97.9 (11.06)^*	99.4 (10.4)	< 0.001
FM, kg	32.9 (9)	31.4 (8.9)	30.09 (9.4)^*	31.5 (9.05)	0.001
SMM, kg	21.7 (2.9)	22.1 (2.8)•	20.9 (2.7)^*	21.6 (2.8)	< 0.001
FFM,kg	40.6 (4.9)	41 (4.8)•	39.02 (4.5)^*	40.2 (4.8)	< 0.001
FMR	1.51 (0.36) ^Ɨ	1.41 (0.35)	1.43 (0.37)^*	1.45 (0.36)	0.002

^**The continous variables with normal distribution are reported as mean (SD) and continous variables with non-normal distribution are reported as median (IQR)
^¥P value is reported based on one-way ANOVA for continuous variables with normal distribution, and Kruskal–Wallis for continuous variables with non-normal distribution
^ƗIndicates a significant difference between T1 and T2, based on Bonferroni adjustment
^*Indicates a significant difference between T1 and T3, based on Bonferroni adjustment
^• Indicates a significant difference between T2 and T3, based on Bonferroni adjustment
Abbreviations: T Tertile, BMI Body-mass index, WC Waist circumference, FM Fat mass, SMM Skeletal muscle mass, FFM Fat free mass, FMR Fat mass ratio

ISSN: 1472-6874