Resting energy expenditure differs among individuals with different levels of perceived thermal sensitivity: A cross-sectional study.

Metabolic rate has been used in thermophysiological models for predicting the thermal response of humans. However, only a few studies have investigated the association between an individual's trait-like thermal sensitivity and resting energy expenditure (REE), which resulted in inconsistent results. This study aimed to explore the association between REE and perceived thermal sensitivity. The REE of healthy adults was measured using an indirect calorimeter, and perceived thermal intolerance and sensation in the body were evaluated using a self-administered questionnaire. In total, 1567 individuals were included in the analysis (women = 68.9%, age = 41.1 ±â€…13.2 years, body mass index = 23.3 ±â€…3.3 kg/m2, REE = 1532.1 ±â€…362.4 kcal/d). More women had high cold intolerance (31.8%) than men (12.7%), and more men had high heat intolerance (23.6%) than women (16.1%). In contrast, more women experienced both cold (53.8%) and heat (40.6%) sensations in the body than men (cold, 29.1%; heat, 27.9%). After adjusting for age, fat-free mass, and fat mass, lower cold intolerance, higher heat intolerance, and heat sensation were associated with increased REE only in men (cold intolerance, P for trend = .001; heat intolerance, P for trend = .037; heat sensation, P = .046), whereas cold sensation was associated with decreased REE only in women (P = .023). These findings suggest a link between the perceived thermal sensitivity and REE levels in healthy individuals.

Working Alone, Limited Restroom Accessibility, and Poor Menstrual Health Among Cosmetics Saleswomen in South Korea.

Menstrual hygiene management (MHM) at work has been neglected in occupational health research despite its importance for female workers' health. This study investigated the association between hours of working alone and poor menstrual health among 740 cosmetics saleswomen in South Korea. Hours of working alone in a day were classified into 4 categories. MHM was measured by asking "Over the past six months, have you ever experienced that you could not change your sanitary pad when you need to change it at work?" We also measured the experience of dermatopathy due to unchanged sanitary pads. Cosmetics saleswomen who worked alone for 3 h or more in a day reported a higher prevalence of ever being unable to change the sanitary pads (prevalence ratio [PR] 1.84, 95% confidence interval [CI]: 1.37-2.46) and dermatopathy due to unchanged sanitary pads (PR 2.06, 95% CI: 1.18-3.59) than those who worked alone less than 1 h in a day.

Anthropometric, biochemical, and nutritional risk factors for osteoporosis in Korean adults based on a large cross-sectional study.

BACKGROUND: Osteoporosis a common bone disorder characterized by decreases in bone mass, tension, and strength. Although many previous studies worldwide have sought to identify the risk factors for osteoporosis, studies that simultaneously examine a variety of factors, such as biochemical, anthropometric and nutritional components, are very rare. Therefore, the objective of this study was to simultaneously examine the association of osteoporosis with biochemical profiles, anthropometric factors, and nutritional components in a large-scale cross-sectional study. METHOD: This cross-sectional study was based on data from the Korea National Health and Nutrition Examination Survey (KNHANES VI-VII) from 2015 to 2018. Based on data from 16,454 participants, logistic regression was used to examine the association between various parameters in a crude analysis and in models adjusted for confounders. RESULTS: In men, osteoporosis was significantly associated with the anthropometric variables height and weight; the biochemical components hemoglobin, hematocrit, urea nitrogen and urine pH and creatinine; and the nutritional components total food intake, energy, water, protein, phosphorus, and kalium. However, these associations disappeared in adjusted model 2. In women, osteoporosis was significantly related to the anthropometric measures height, weight, and systolic blood pressure; the biochemical components hemoglobin, hematocrit and urine pH; and the nutritional components total food intake, water, calcium, phosphorus, and kalium. Most of these associations were maintained in the adjusted models. CONCLUSION: Osteoporosis was linked to various anthropometric, biochemical and urine and nutritional components in Korean women, but the association between osteoporosis and risk factors differed according to sex.

Sexual harassment and its relationship with depressive symptoms: A nationwide study of Korean EMS providers.

BACKGROUND: Emergency medical service (EMS) providers may face sexual harassment (SH) from citizens. No studies have assessed SH prevalence and its association with depressive symptoms among EMS providers in South Korea. METHODS: We conducted a nationwide cross-sectional survey of 1346 EMS providers in South Korea. SH experience was assessed by asking, "During the past 12 months, have you ever experienced sexual harassment on duty by civil citizens?" Depressive symptoms during the preceding week were assessed using the Centers for Epidemiologic Studies Depression Scale. Modified Poisson regression was applied to examine association between SH and depressive symptoms. RESULTS: Among EMS providers, 28.1% of females and 5.6% of males reported sexual harassment. In the gender-stratified analysis, EMS providers those who experienced SH were more likely to have depressive symptoms among females (PR: 2.97, 95% CI: 1.99, 4.44) and males (PR: 2.01, 95% CI: 1.41, 2.86). CONCLUSIONS: Female EMS providers were about five times more likely to experience SH than males.