17(40)
Tabell 1.
Summary statistics, dental care in Sweden June 2008–July
2011. Patients aged 20 years and above.
4.3
Operationalization of variables
The measure of competition is constructed by counting all clinics
19
within
a certain distance from the clinic. In the baseline model, I use 1 km as a
distance, but for robustness checks I increase the distance to 5 km.
Table 2 provides descriptive statistics for the competition measures. The
means are the number of clinics within the specified distance. There is
large variation and the clinics with most competitors within 1 kilometer are
located in big cities.
19
Clinics are defined as the unique combination of an organizational number and
an establishment number (CFAR) at a given coordinate. The identity numbers for
clinics (mottagningsnummer) from SSIA are not used in this definition. This is
done to minimize the risk of incorrectly defining clinics with more than one
identification number as different clinics.
Period
2008/2009 2009/2010 2010/2011
Number of clinics
All
3,655
3,600
3,493
Private
2,876
2,859
2,786
Public
779
741
707
Number of patients
All
3,953,833
4,132,015
4,161,111
Private
2,341,998
2,428,678
2,432,766
Public
1,611,835
1,703,337
1,728,345
Clinic type
All
Private
Public
Number of patients per day per clinic
Mean
46.3
32.5
66.8
Standard deviation
86.0
56.6
109.8
Number of patients per year per clinic
Mean
7,648.4
5,007.1
11,597.3
Standard deviation
11,500.2
7,645.5
14,321.2
