Vertebral fractures among breast cancer survivors in China: a cross-sectional study of prevalence and health services gaps

Table 3 Logistic Regression Analysis: Odds of Vertebral Fracture among Women in the BCS and PK-VF Study Cohorts, Combined (N = 400)

Variable	Univariate Model		Multivariable Model
Variable	OR	95%CI	OR	95%CI
Breast Cancer Survivor	3.41	1.42–8.17^c	4.16	1.69–10.21^c
Age years	1.08	1.01–1.17^c	1.10	1.02–1.20^b
BMI kg/m²	0.90	0.78–1.03	–	–
Education ≥High School	0.85	0.39–1.83	–	–
Parity	1.49	0.93–2.37^a	–	–
Age of Menarche years	1.08	0.92–1.27	–	–
Personal History of Fracture	0.60	0.18–0.12	–	–
Calcium Supplement Use	0.48	0.21–1.12^a	0.37	0.15–0.89^b
25OHD Level ng/mL	1.00	0.95–1.05	–	–

Continuous variables: Age, BMI, Parity, Age of Menarche, 25OHD level. Categorical variables: Breast Cancer Survivor (reference: Peking Vertebral Fracture Study participant), Education (reference: ≤middle school), Personal History of Fracture (reference: no history of fracture), Calcium Supplement Use (reference: no supplement use)
OR odds ratio, CI confidence interval, BMI body mass index, 25OHD 25-hydroxy vitamin D
^a < 0.1
^b < .05
^c < .01

ISSN: 1471-2407