None listed
Conditions
Interventions
Others(attachable light-emitting device) : Participants are randomly assigned to 2 experimental groups and a control group. Two types of ultraviolet B-emitting devices (285 nm, 295 nm) are applied in
Sponsors
Seoul National University Bundang Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: a person who consented in a written form
Exclusion criteria
Exclusion criteria: 1. A person who had phototherapy within 2 months 2. A person who took drugs or health functional foods containing vitamin D within 2 months 3. A person who has a disease that can cause kidney failure or liver failure 4. A person who has dermatological diseases such as photosensitive skin and skin cancer 5. A person who has a history of major psychiatric, internal, neurological diseases, infections, malignant tumors or trauma 6. A person who does not faithfully respond to a self-reported questionnaire
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| serum 25-hydroxyvitamin D level | — |
Secondary
| Measure | Time frame |
|---|---|
| objective sleep index (total sleep time, sleep latency, sleep efficiency, wake after sleep onset);subjective symptom questionnaire (Pittsburgh sleep quality index, Epworth sleepiness scale, Insomnia severity index, Hospital anxiety and depression scale, Fatigue severity scale) | — |
Countries
Korea, Republic of
Contacts
Public ContactInyoung Yoon
Seoul National University
Outcome results
None listed