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Table 2 Prevalence of osteoporosis, mean age, serum levels of vitamin D, and BMI among women by urban/rural residence

From: Educational difference in the prevalence of osteoporosis in postmenopausal women: a study in northern Iran

Variables

Urban (n= 440)

Rural (n= 266)

P-value

Age (years)

61.6 ± 7.1

62.17 ± 7.2

0.3

Osteoporosis (%)

13.3

19.1

0.0001

Vitamin D3 (ng/ml)

18.2 ± 13.2

22.3 ± 2.8

0.0001

BM I (kg/m2)

29.8 ± 5.3

28.0 ± 5.5

0.1

Low educated (%)

72.2

98.9

0.0001

High educated (%)

22.8

1.2

0.0001