. 2020 Jul 9;17(14):4961. doi: 10.3390/ijerph17144961

Table 1.

Variable classification, definitions, and sources of years of life lost (YLLs) due to suicide (by region), population characteristics, health behavior, socioeconomic factors, and community resources.

Variables			Definition	Source
Dependent Variable	YLLs due to Suicide (by Region)		$\frac{S u m o f i n d i v i d u a l Y L L s d u e t o s u i c i d e i n r e g i o n}{P o p u l a t i o n o f r e g i o n}$	Cause of death statistics from KNOS * [23]
Independent Variable	Population Characteristics	Sex ratio (%)	Number of males per 100 females	Resident registration population status data from MOIS ** (2016) [24]
		Elderly population Ratio (%)	Divorced rate per 1000 people
		Divorce rate (%)	Percentage of population registered as over 65 years old
	Health Behaviors	Smoking rate (%)	Percentage of population who smoke “every day” or who smoke “seldomly” but have smoked more than 100 cigarettes in their entire life	Community Health Survey from MOHW *** (2016) [25]
		High-Risk Alcohol usage (%)	The proportion of population who drank more than 5 cans of beer (for male, 3 cans for female) for at least twice a week in the last year
		Obesity (%)	Body mass index greater than 25
		Physical activity (%)	Walking practice rate is adopted as a proxy indicator of physical activity. The definition of walking practice is the percentage of the population who have walked more than 30 min in a day for more than 5 days in the last week
	Socioeconomic Factors	Financial independence (%)	$F i n a n c i a l I n d e p e n d e n c e r a t e (%) = \frac{l o c a l t a x + n o n - t a x r e v e n u e}{g e n e r a l a c c o u n t r e v e n u e}$	Community Statistics from KNOS (2016) [26]
	Socioeconomic Factors	Social welfare Budget ratio (%)	Proportion of local government budget scheduled for social welfare and healthcare	Community Statistics from KNOS (2016) [26]
	Community Resources	Numbers of psychiatric clinics	Number of psychiatric clinics per 1000 people	National Health Insurance Statistics from MOHW (2016) [27] Mental Health Status Survey from National Center for Mental Healthcare (2016) [28]
		Numbers of mental health welfare centers	Number of mental health welfare centers per 1000 people
		Numbers of psychiatrists	Number of psychiatrists per 1000 people
		Numbers of mental health nurses	Number of mental health nurses per 1000 people

* Korea National Statistical Office. ** Ministry of Interiors and Safety. *** Ministry of Health and Welfare.