Effects of wearable device on vitamin D

The effect of attachable light-emitting device on Serum Vitamin D level in healthy adults

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

CRIS

Registry ID

KCT0007033

Enrollment

150

Registered

2022-02-23

Start date

2020-08-19

Completion date

Unknown

Last updated

2022-03-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Others(health aids) : We conducted a randomized, single-blind, placebo-controlled parallel study. Healthy adults subjects randomly assigned in a 1:1 ratio to either the experimental or control group a

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy adults, aged 20 to 65 years

Exclusion criteria

Exclusion criteria: (1) history of light therapy or vitamin D supplementation within two months prior to study entry. (2) medical illness such as malignancy, respiratory diseases, infectious diseases, hepatic or renal impairment, and head trauma. (3) psychiatric disorders including mood disorders, anxiety disorders, sleep disorders and psychotic disorders.

Design outcomes

Primary

Measure	Time frame
Serum 25-hydroxyvitamin D concentration	—

Secondary

Measure	Time frame
Pittsburgh sleep quality index, Insomnia severity index, Epworth sleepiness scale, Fatigue severity scale, Hospital anxiety and depression scale;Sleep onset latency, Total sleep time, Wake after sleep onset, Sleep efficiency	—

Countries

Korea, Republic of

Contacts

Public ContactHyuk Joo Lee

Seoul National University Bundang Hospital

hjlee84.hl@gmail.com+82-31-787-7433

Outcome results