Table 1.

Descriptive statistics of the administrative districts

^*The proportion of population > 65-yr-of-age; ^†The proportion of population < 15-yr-of-age; ^‡The proportion of population with more than high school education; ^§Amount of local tax per person in districts of year (1,000 KRW); ^∥Standardized Z-score by subtracting the mean of all areas from each area and dividing by the standard deviation for variables. The actual mean value was -0.01; ^¶Annual outpatient days in primary care clinics; ^**The number of hospital beds per 10,000 people; ^††The number of primary care clinics per 10,000 people; ^‡‡The number of physicians charging primary care per 10,000 people: Family medicine; Internal medicine; Pediatrics; General practice.