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. 2011 Sep 13;11:54. doi: 10.1186/1471-2318-11-54

Table 3.

Results of regression analysis on number of physician contacts and number of physicians contacted per year in the study population

Number of contacts with physicians Number of physicians contacted
R 2 0.30 0.195

B p-value 95% CI B p-value 95% CI

Age (centred) -0.03 0.0031 -0.05 -0.01 -0.05 <.0001 -0.05 -0.05
Sex (female) 0.05 0.6317 -0.17 0.28 0.16 <.0001 0.12 0.19
Nursing dependency (yes) 10.37 <.0001 10.01 10.72 -0.20 <.0001 -0.25 -0.14
Number of chronic conditions 2.33 <.0001 2.28 2.38 0.24 <.0001 0.23 0.24
Number of chronic conditions (log scale) 1.62 <.0001 157 1.67 0.25 <.0001 0.24 0.26

R 2 = proportion of variance explained by the regression model.

B = beta = regression coefficient

p = statistical significance of the effect of the independent variables