Table 2:

Multivariate linear model of total annual claims, adjusted for covariates

CharacteristicDifference in mean total annual claims, $ (95% CI)p value*
Gender (men v. women)95 172 (89 925 to 100 974)< 0.001
Location of practice (rural v. urban)−79 797 (−93 937 to −65 734)< 0.001
Years in practice
 0–5Ref.
 6–1049 185 (41 070 to 57 731)< 0.001
 11–1563 528 (54 605 to 72964)< 0.001
 16–2050 461 (40 134 to 60 960)< 0.001
 21–2538 283 (27 121 to 49 858)< 0.001
 26–3020 676 (10 960 to 30 403)< 0.001
 > 30−38 190 (−46 234 to −30 230)< 0.001
  • Note: CI = confidence interval, Ref. = reference category.

  • * p values were adjusted to correct for multiple hypothesis testing using the Holm–Bonferroni method.