Table 4. Subgroup analyses with age and gender-sensitive ICPC codes
ICPC-code 'age' (n = 7451)ICPC-code 'gender' (n = 5423)
Exp(B)95% CI Exp(B)SignificanceExp(B)95% CI Exp(B)Significance
Gender concordance
 Discordant dyads1.090.98 to 1.200.101.211.02 to 1.440.03
 Concordant dyads1.001.00
Age concordance
 Discordant older GP0.900.74 to 1.100.310.900.69 to 1.170.42
 Discordant younger GP0.940.79 to 1.120.490.860.68 to 1.100.24
 Concordant*1.001.00
Gender GP
 Male GP0.860.61 to 1.230.420.870.61 to 1.240.44
 Female patient1.001.00
Gender patient
 Male patient1.030.92 to 1.140.640.920.78 to 1.090.35
 Female patient1.001.00
  • The covariates Age GP, Age patient, and Chronic condition are not shown in this table, but were part of the calculated model. ICPC = International Classification of Primary Care.

  • * Age concordance was defined as a maximum age difference of 5 years between GP and patient.