The analysis of the geographical distribution of emergency departments’ frequent users: a tool to prioritize public health policies?

Table 4 Socio-economic characteristics of the different classes of geographical units (IdF area, 2015)

Characteristics *	IdF area	Class 1	P-value*	Class 2	P-value*	Class 3	P-value*
Geographical units (n)	232	67		114		51
Population, n	12,055,277	3,934,850		5,644,896		2,475,531
%	100	32.7		46.8		20.5
FU rate, mean (%)	11.0	9.6	< 0,001	10.9	NS	13.3	< 0,001
Education, mean (%)
College Degree	38.3	57.2	< 0,001	34.0	< 0,001	23.3	< 0,001
Occupational status, mean (%)
Managers	16.1	27.3	< 0,001	13.6	< 0,001	7.2	< 0,001
Employees	17.4	12.3	< 0,001	18.2	0.001	22.2	< 0,001
Manual Laborers	9.3	4.3	< 0,001	9.9	NS	14.6	< 0,001
Unemployed	19.9	16.3	< 0,001	16.2	< 0,001	22.5	< 0,001
Tax and income level, mean
Taxable households (%)	55.9	67.5	< 0,001	56.8	NS	39.0	< 0,001
Total amount of net tax (€ per year)	5473	10,106	< 0,001	4054	< 0,001	2557	< 0,001
Amount of salaries and wages (€ per year)	34,717	46,982	< 0,001	32,348	< 0,001	23,899	< 0,001
Amount of pensions and retirements (€ per year)	26,920	33,525	< 0,001	25,985	NS	20,334	< 0,001
Family composition, mean (%)
Single-parent families	18.1	16.0	< 0,001	17.2	NS	22.9	< 0,001
Families with three children or more	12.2	9.3	< 0,001	11.3	NS	18.2	< 0,001
Development index, mean
HDI-2	0.59	0.76	< 0,001	0.57	NS	0.41	< 0,001
HDI-2 < 0.52 (%)	28.4	0.0	< 0,001	17.5	< 0,001	90.2	< 0,001
Health care providers density (mean per 10⁵ inhabitants)
> 100 General Physicians	25.0	46.3	< 0,001	14.9	< 0,001	19.6	NS
> 40 Pediatricians	24.1	59.7	< 0,001	7.0	< 0,001	15.7	NS

NS: Not significant (P > 0.05): The difference between the region mean and the class mean is not statistically significant. FU: Frequent users: ≥ 3 visits/year. HDI-2: Human Development Index 2.
*P-value comparing for each class and each indicator the mean of mean per GU to regional average

ISSN: 1471-2458