Fig 1 Trends in adjusted annual median income of US physicians in American Community Survey, by race-sex subgroup, 2000-13. Adjusted earned incomes are predicted values from multivariable median regression of annual employment income as function of age (35-39, 40-49, 50-59, and ≥60), sex, race, hours worked (≤39, 40-49, 50-59, and ≥60 hours), time period, state fixed effects, and full interactions between race, sex, and time period. All $ values normalized to 2013 $ according to consumer price index