Journal of Nutrition and Metabolism / 2017 / Article / Tab 1

Research Article

Hypovitaminosis D and Its Associated Factors in North Algerian Postmenopausal Women: Results of a Cross-Sectional Study

Table 1

Sociodemographic, biochemical, and clinical characteristics of the study population (n = 336).

Mean ± SD or percentageMin-max

Sociodemographic parameters
Age (years)60.1 ± 8.545.0–87.0
Age at menopause (years)47.4 ± 4.826.0–57.0
Seasons of recruitmentWinter23.5%
Spring26.8%
Summer25.0%
Autumn24.7%
Number of children6.5 ± 3.50.0–16.0
Education level/schooling (%)None57.7%
Primary education24.4%
Average level15.5%
University level2.4%
Skin phototypeI–III50.6%
IV43.8%
V5.7%
VeilingYes96.1%
No3.9%
Rural or urban areaUrban74.1%
Rural25.9%
Daily calcium intake491.0 ± 181.3149.6–1334.9
<500 mg58.3%
≥500–<700 mg30.1%
≥700–<800 mg5.4%
≥800 mg6.3%
Daily vitamin D intake (IU)56 ± 440–220
Clinical parameters
BMI (kg/m2)28.5 ± 5.315.0–50.0
T-score ≤ −2.5Hip12.8%
Lumbar spine32.2%
Osteoporosis32.8%
History of fractureYes16.1%
Biochemical parameters
25(OH)D (ng/mL)14.4 ± 5.34.0–35.9
PTH (pg/mL)64.2 ± 25.114.0–179.6

T-score of the lumbar spine and/or lower hip ≤ −2.5; IU: international units; SD: standard deviation.

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