Associations between weight-adjusted waist index and bone mineral density: results of a nationwide survey

BMC Endocrine Disorders

Table 3 Subgroup analysis of the association between weight-adjusted-waist index and bone mineral density

Subgroup	Lumbar BMD [β (95%CI)]	P for interaction	Pelvis BMD [β (95%CI)]	P for interaction	Femoral neck BMD [β (95%CI)]	P for interaction	Total BMD [β (95%CI)]	P for interaction
Sex		0.576		0.089		0.457		0.016
Male	-0.02 (-0.04, -0.00)		-0.06 (-0.08, -0.03)		-0.02 (-0.03, -0.01)		-0.03 (-0.05, -0.02)
Female	-0.03 (-0.05, -0.01)		-0.03 (-0.05, -0.01)		0.00 (-0.02, 0.02)		-0.01 (-0.02, 0.01)
Race/ethnicity		0.915		0.734		0.669		0.113
Non-Hispanic White	-0.03 (-0.05, -0.01)		-0.05 (-0.07, -0.02)		-0.01 (-0.03, 0.01)		-0.03 (-0.05, -0.01)
Non-Hispanic Black	-0.02 (-0.05, 0.01)		-0.03 (-0.06, -0.00)		0.01 (-0.02, 0.03)		-0.00 (-0.02, 0.02)
Mexican American	-0.04 (-0.08, 0.01)		-0.06 (-0.11, -0.01)		0.01 (-0.04, 0.06)		-0.03 (-0.06, 0.00)
Other race	-0.02 (-0.06, 0.01)		-0.03 (-0.07, 0.00)		0.01 (-0.02, 0.05)		-0.02 (-0.04, 0.00)
Education level		0.119		0.241		0.084		0.132
Less than high school	-0.05 (-0.06, -0.04)		-0.06 (-0.06, -0.05)		-0.05 (-0.06, -0.05)		-0.06 (-0.06, -0.05)
High school	-0.04 (-0.04, -0.03)		-0.03 (-0.04, -0.03)		-0.05 (-0.05, -0.04)		-0.04 (-0.05, -0.04)
More than high school	-0.04 (-0.05, -0.04)		-0.03 (-0.04, -0.03)		-0.05 (-0.05, -0.04)		-0.04 (-0.05, -0.04)
High blood pressure		0.040		0.905		0.357		0.050
Yes	-0.05 (-0.07, -0.02)		-0.04 (-0.06, -0.02)		-0.01 (-0.04, 0.02)		-0.03 (-0.05, -0.02)
No	-0.02 (-0.04, 0.00)		-0.04 (-0.06, -0.02)		0.00 (-0.01, 0.02)		-0.01 (-0.03, 0.00)
Diabetes		0.295		0.210		0.480		0.092
Yes	-0.02 (-0.04, 0.01)		-0.06 (-0.08, -0.03)		-0.00 (-0.03, 0.02)		-0.02 (-0.04, 0.00)
No	-0.03 (-0.05, -0.01)		-0.03 (-0.05, -0.01)		-0.00 (-0.02, 0.01)		-0.03 (-0.04, -0.01)

Age, gender, race, cancer, high blood pressure, use of hormone medication, take prescription for cholesterol, smoking, dietary inflammatory index, diabetes, PIR, triglycerides, fractured, and LDL-C were adjusted. Abbreviation:PIR Ratio of family income to poverty, LDL-C Low-density lipoprotein cholesterol

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