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Table 2 Estimated regional variation and degree of explanation

From: Regional variation in health care utilization in Sweden – the importance of demand-side factors

 

Model 1: Visits to primary physicians

Model 2: Visits to specialists

 

\( {\widehat{\sigma}}_{\delta } \)

% of \( {\widehat{\sigma}}_{\delta } \) explained

\( {\widehat{\sigma}}_{\delta } \)

% of \( {\widehat{\sigma}}_{\delta } \) explained

Unadjusted

0.1597

0.2152

Adjusted for:

 Mortality

0.1580

1.1%

0.1761

18.2%

   +Demography

0.1652

−3.4%

0.1086

49.5%

   +Socio-economy

0.1418

11.2%

0.1025

52.4%

   + Supply

0.1064

33.4%

0.1069

50.3%

  1. \( {\widehat{\sigma}}_{\delta }- \)Estimated standard deviation of random effect δ i (variation on regional level)
  2. % of \( {\widehat{\sigma}}_{\delta } \) – percentage of regional variation explained by included covariates