To investigate the chronological patterns of diseases in Northern Gyeonggi-do province, South Korea, and compare these with national data.

A National Health Insurance cohort based on the National Health Information Database (NHID Cohort 2002–2013) was used to perform a retrospective, population-based study (46,605,433 of the target population, of which 1,025,340 were randomly sampled) to identify disease patterns from 2002 to 2013....

The aim of this study was to determine whether there were differences in mental health specific to regions in Korea, and the factors that affected mental health status.

Data from the 2016 Community Health Survey in Korea were used; 224,421 health survey participants provided responses on mental health issues, demographics, and health behavior, and were included in the study.

A statistically significant...

This study aimed to determine regional differences and the factors that affect unmet medical needs.

Data from the 6th Korea National Health and Nutrition Examination Survey (2015) were used, and 4,946 health survey participants who provided responses on medical utilization and health behavior were included in the study.

A statistically significant difference was observed in the incidence rate of unmet medical needs...