Healthy
Conditions
Brief summary
Vitamin D insufficiency and deficiency is pandemic in the world.Sichuan Basin has a subtropical monsoon climate with China's lowest sunshine totals. Inferably, the prevalence of vitamin D insufficiency/deficiency in Sichuan basin is high, and possibly the highest in China. This study will research the serum 25OHD level to get the prevalence of vitamin D deficiency and insufficiency of urban and rural residents in Sichuan Province, China.
Interventions
None listed
Sponsors
West China Hospital
Study design
Observational model
COHORT
Time perspective
CROSS_SECTIONAL
Eligibility
Sex/Gender
FEMALE
Age
30 Years to 90 Years
Healthy volunteers
Yes
Inclusion criteria
* Females aged 30 years old living in Sichuan province.
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Serum 25OHD | 0 day. | It is a cross-sectional study. All measurements will be performed once after subjects are enrolled. |
| serum calcium and phosphate, creatinine, PTH, BALP and CTX | 0 day | It is a cross-sectional study. All measurements will be performed once after subjects are enrolled. |
| Bone mineral density of lumbar spine and hip | 0 day. | It is a cross-sectional study. All measurements will be performed once after subjects are enrolled. |
| Short physical performance battery | 0 day. | It is a cross-sectional study. All measurements will be performed once after subjects are enrolled. |
Countries
China
Contacts
Primary ContactQin Wang, M.D., Ph.D.
Outcome results
None listed