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Table 2 Correlation between community-level variables and age-adjusted unintentional injury hospitalization rate in 2013

From: The effect of contextual factors on unintentional injury hospitalization: from the Korea National Hospital Discharge Survey

Community-level variables N Median 25th percentile 75th percentile Spearman correlation (ρ) p value
Financial independence ratio (%) 249 64.6 58.8 69.0 −0.11 0.07
Proportion of welfare budget (social security) in general account 249 27.1 16.8 39.8 − 0.19 <  0.01
Percentage of elderly population 249 13.9 10.1 22.6 0.19 <  0.01
Percentage of people with education less than a high school diploma 245 25.0 21.2 30.7 0.25 <  0.0001
Percentage receiving national basic livelihood security system 245 2.5 1.8 3.4 0.14 0.02
Number of hospitals in 2011 248 90.0 30.5 238.5 −0.22 <  0.01
Number of nurses in 2011 249 325.0 95.0 1119.0 −0.15 0.02
Number of doctors in 2011 249 217.0 66.0 632.0 −0.19 <  0.01
Number of fires per 10,000 residents 249 9.5 6.0 15.8 0.25 <  0.0001
Number of residents per 119 safety center 246 45,169.5 25,168.8 75,750.1 −0.25 <  0.0001
Traffic safety index 247 75.8 70.0 79.1 −0.17 <  0.01
Percentage of high risk drinking 243 28.0 24.7 31.4 0.13 0.04
Percentage of moderate physical activity 245 21.8 18.4 27.5 0.20 <  0.01
Percentage of seat belt use during driving 245 77.0 68.2 84.4 −0.18 <  0.01
Number of traffic accidents per thousand cars 249 9.4 8.0 10.8 0.03 0.59
Percentage of stress perception 245 26.6 23.4 29.5 −0.15 0.02
Percentage of experience of depression 245 5.2 4.0 6.7 −0.15 0.02
Percentage of unemployed persons 245 29.9 24.8 32.1 −0.23 <  0.001