Respiratory Tract Infections, Vitamin D Deficiency
Conditions
Brief summary
Vitamin D intervention effects on the prevention of acute respiratory tract infections among Young Finnish Men
Interventions
DIETARY_SUPPLEMENTVitamin D3
20 mikrog vitamin D3 daily
DIETARY_SUPPLEMENTPlacebo
Placebo
Sponsors
Finnish Defense Forces
Tampere University
Study design
Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)
Eligibility
Sex/Gender
MALE
Age
18 Years to 29 Years
Healthy volunteers
Yes
Inclusion criteria
; * Male * 18-29 years of age * examined as Healthy according to Finnish Military Health Care regulations
Exclusion criteria
* Female * age \> 30 yrs
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Days off duty due to acute respiratory tract infections | 4 months | The number of Days off Duty recommended by Health care personnel will be calculated in order to show the severity and last of the disease. By that it could be estimated how the disease will effect on duty service. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Days off duty due to musculoskeletal disorders | 4 months | The number of days off Duty because of musculoskeletal disorders will be index for outcome. The index will be compared between plasebo and intervention group |
| Aerobic and muscular fitness | 4 months | Used test are Cooper-test for aerobic and Finnish military fitness test for muscular fitness performance. The index will be compared between plasebo and intervention group |
Countries
Finland
Outcome results
None listed