Objective This study was conducted to investigate the association between depressive
symptoms and job stress, as measured by the KOSS, among Korean employees in small- and …

Objective Although the effect of occupation or employment status on suicide risk is notable,
there are few studies on the effect of precarious employment on suicide. We compared …

(1) To compare the serum levels of Dickkopf-1 (DKK-1) and bone biomarkers in patients
with ankylosing spondylitis (AS) and healthy controls. (2) To examine the effects of anti-tumor …

We investigated the association between job stress and insomnia in a large nationwide
samples of Korean workers. In this cross-sectional study, a total of 8,155 workers from a …

Objectives The purpose of the present study was to identify the association between
presenteeism and long working hours, shiftwork, and occupational stress using representative …

This study investigated the effect of vitamin D supplementation in patients with dry eye
syndrome (DES) refractory to conventional treatment with vitamin D deficiency. A total of 105 …

Background Dry eye syndrome (DES) is a common tear film and ocular surface disease that
results in discomfort, visual disturbance, and tear film instability with potential damage to the …

Purpose To investigate tear film stability and secretion according to serum 25‐hydroxyvitamin
D3 [25( OH )D] levels in dry eye patients. Methods In this retrospective observational study, …

The aim of this study was to determine whether skin temperature measurement by digital
thermography on hands and feet is useful for diagnosis of Raynaud's phenomenon (RP). Fifty-…

Background This study investigated whether experience of workplace injustice was
associated with self‐reported occupational health using a nationally representative sample of …