Efficacy of a combined exercise and nutrition intervention study for outpatients with possible sarcopenia in community-based primary care clinics (ENdSarC): study protocol for a multicenter single-blinded randomized controlled trial.

Background: Sarcopenia is a geriatric disease characterized by loss of muscle mass and strength. Although combined exercise and nutrition intervention are known to be effective for sarcopenia, clinical trials involving outpatients with sarcopenia in primary care are scarce. We describe a protocol for a trial to examine the effects of a 12-week combined exercise and nutrition intervention in Korean older adults with possible sarcopenia in community-based primary care.

Health behaviors of people with retinitis pigmentosa in the republic of Korea.

Purpose: To investigate the health behaviors of people with retinitis pigmentosa (RP) in the Republic of Korea.

Methods: An online questionnaire was used to survey members of the Korean Retinitis Pigmentosa Society (KRPS), over 3 months from December 2010 to February 2011. Controls were selected from participants of the 4th Korean National Health and Nutrition Examination Survey and were matched with people with RP using the propensity score method to optimize comparative analysis.

Mental health of people with retinitis pigmentosa.

Purpose: The purpose of this study was to evaluate and compare the mental health of patients with retinitis pigmentosa (RP) with that of the general population of Korea.

Methods: Online surveys were completed by patients registered with the KRPS (Korean Retinitis Pigmentosa Society), an online organization that promotes research on RP and provides advocacy and online and offline support and information for patients with RP. Control population was selected from the fourth round of the KNHANES (Korean National Health and Nutrition Examination Survey).

The Prevalence of Chronic Diseases among Migrants in Korea According to Their Length of Stay and Residential Status.

Background: Migrant health is becoming public health issues, as the migrant populations are increasing and their length of stay is prolonged. This study aims to analyze the differences in prevalence of chronic diseases among migrants according to length of stay and residential status.

Methods: An initial population pool were 3,024 who were assessed with health screening programs by Migrant Health Association.