Table 5. Correlation coefficients between the proportion of the population aged 65 years or older and the prevalence of serious mental distress, for each binary variable category.

Population density of the residential area		Unemployment rate		The proportion of all workers engaged in primary industry		Suicide rate		The estimated number of inpatients with mental illness
Low	High	Low	High	Low	High	Low	High	Low	High
0.006	0.016	0.097	0.317	0.648	−0.267	0.323	−0.117	−0.247	0.626
(0.978)	(0.957)	(0.694)	(0.173)	(0.003)	(0.255)	(0.177)	(0.624)	(0.280)	(0.005)

Values in parentheses represent P-values