Background

Internal medicine residents face numerous career options after residency training. Little is known about when residents make their final career choice.

Objective

We assessed the timing and predictive factors of final career choices among internal medicine residents at graduation, including demographics, pre-residency career preferences, and rotation scheduling.

Methods

We conducted a retrospective study of graduates of an academic internal medicine residency program from 2014 to 2017. Main measures included demographics, rotation schedules, and self-reported career choices for residents at 5 time points: recruitment day, immediately after Match Day, end of postgraduate year 1 (PGY-1), end of PGY-2, and at graduation.

Results

Of the 138 residents eligible for the study, 5 were excluded based on participation in a fast-track program for an Accreditation Council for Graduate Medical Education subspecialty fellowship. Among the remaining 133 residents, 48 (36%) pursued general internal medicine fields and 78 (59%) pursued fellowship training. Career choices from recruitment day, Match Day, and PGY-1 were only weakly predictive of the career choice. Many choices demonstrated low concordance throughout training, and general medicine fields (primary care, hospital medicine) were frequently not decided until after PGY-2. Early clinical exposure to subspecialty rotations did not predict final career choice.

Conclusions

Early career choices before and during residency training may have low predictability toward final career choices upon graduation in internal medicine. These choices may continue to have low predictability beyond PGY-2 for many specialties. Early clinical exposure may not predict final career choice for subspecialties.

Internal medicine residents have numerous career choices, including 23 distinct Accreditation Council for Graduate Medical Education (ACGME) subspecialty fellowships and careers in general internal medicine (GIM).13  Currently, internal medicine residents apply for subspecialty fellowships at the beginning of their third postgraduate year (PGY-3). The 3-year training period of internal medicine represents a challenge for program directors to ensure that trainees have achieved core competencies, while simultaneously promoting career exploration.

Previous studies have demonstrated significant fluctuations in career choices among internal medicine residents throughout postgraduate training,2,3  and initial investigations revealed that demographics, lifestyle preferences, and trainee attitudes were not strong predictors.48  Several gaps of knowledge remain, as there are no longitudinal studies that follow trainee career choices between medical school and the end of residency. It is unknown if an initial subspecialty preference reliably predicts a resident's final choice, and few studies have examined whether the timing of specific rotations influences subspecialty choice.9,10 

In this brief report, we investigate whether initial career choices and timing of career-relevant rotations predict a trainee's career choice upon completion of residency training. In addition, we examine the frequency by which postgraduate career choices change over the course of residency training and the potential factors associated with this change.

Study Participants and Setting

We assessed career choices among categorical residents who graduated between 2014 and 2017 at an academic internal medicine residency program (full program description provided as online supplemental material). Those participating in a fast-track program for expedited entry into subspecialty fellowships were excluded.

Outcomes and Definition of Career Choice

Our primary outcome was residents' career choices at graduation, classified as either ACGME-accredited subspecialty fellowships, GIM, or other (table). The most common career choices of graduates from our program—cardiology, gastroenterology, and hematology/oncology—were previously known and analyzed individually. Other clinical subspecialties (endocrinology, geriatrics, infectious diseases, nephrology, palliative care, pulmonary and critical care medicine, and rheumatology) were analyzed as a group due to their low prevalence. Hospital medicine and primary care were categorized together as GIM fields and analyzed separately from the other specialties (table). Secondary measures included demographics, clinical rotation schedule, and career choices before residency, during PGY-1, and at the end of PGY-2.

table

Demographics by Final Career Choice at Graduationa

Demographics by Final Career Choice at Graduationa
Demographics by Final Career Choice at Graduationa

Measurements

Participants were sent surveys that assessed their career choices (provided as online supplemental material) and asked them to rank their top career choice. The surveys were distributed via Qualtrics (Qualtrics LLC, Provo, UT) at 5 time points: recruitment day, immediately after Match Day, end of PGY-1, end of PGY-2, and at graduation. The recruitment day survey was required to match applicants with interviewers who had shared interests; subsequent surveys were part of required information collected by the residency program to optimize the residents' schedules each year.

Our Institutional Review Board deemed this study to be exempt.

Statistical Analysis

Conditional inference trees (a type of decision tree) were fit using the ctree function R (Vienna, Austria) to identify the major predictor(s) of residents' final career choice. All trees were fit using Bonferroni pruning at alpha = 0.05. Area under the curve was calculated via multiclass.roc function in the pROC package. Post hoc logistic regression was conducted to evaluate the strength of the associations between the strongest predictor from the survey responses identified by the conditional inference trees and the binary categorization of the final career choice at graduation (subspecialty versus GIM), adjusting for resident demographics, continuity clinic sites, and rotation schedules. To determine correlations between initial and final subspecialty choice (including disparate subspecialties), Kappa statistics and corresponding 95% confidence intervals (CIs) were reported.

Participants' Final Career Choices

Of the 138 residents eligible for the study, 5 were excluded based on participation in a fast-track program for an ACGME subspecialty fellowship. Among the remaining 133 residents, the survey response rates were 100%. Seventy-eight residents (59%) pursued subspecialty fellowships on graduation, 48 (36%) chose careers in GIM, and 7 (5%) made other career choices (table). Approximately 77 of 78 (99%) matched into a subspecialty fellowship on first application.

Timing and Concordance Rates of Career Choices

Concordance rates (defined as percentage of residents expressing the same career choice at any survey time points versus their choice on graduation) are shown in the figure. Concordance rates on recruitment day (42.3%; odds ratio [OR] = 0.39; 95% CI 0.24–0.63; P < .001), Match Day (47.9%; OR = 0.49; 95% CI 0.33–0.74; P < .001), and PGY-1 (50.6%; OR = 0.55; 95% CI 0.35–0.85; P = .008) were modest to low among all career choices (figure; additional information provided as online supplemental material). Notably, among the subspecialties for PGY-2, the concordance rates were high for gastroenterology (94.1%) and cardiology (78.6%). Additionally, concordance rates for GIM remained low throughout all survey time points, and only 29% (5 of 17) of residents who ultimately pursued primary care upon graduation expressed similar intent during PGY-2. Residents changed their career choice a mean 1.32 (SD = 1.18) times from recruitment to graduation.

figure

Concordance Rates Over Time by Career Choice

Abbreviations: GI, gastroenterology; Heme/Onc, hematology/oncology; PGY, postgraduate year.

Note: Specialty concordance rates are calculated as the percentage of residents (y-axis) expressing the same career choice at any survey time point compared with their final career choice at graduation. “Other Specialties” in this analysis include endocrinology, geriatrics, infectious diseases, nephrology, palliative care, pulmonary and critical care medicine, and rheumatology.

figure

Concordance Rates Over Time by Career Choice

Abbreviations: GI, gastroenterology; Heme/Onc, hematology/oncology; PGY, postgraduate year.

Note: Specialty concordance rates are calculated as the percentage of residents (y-axis) expressing the same career choice at any survey time point compared with their final career choice at graduation. “Other Specialties” in this analysis include endocrinology, geriatrics, infectious diseases, nephrology, palliative care, pulmonary and critical care medicine, and rheumatology.

Close modal

Factors Associated With Final Career Choice at Graduation

The PGY-2 career choices were the most predictive of final career choice upon graduation, with an area under the curve of 0.67 (P < .001; online supplemental material). In multivariate logistic regression, PGY-2 choice was significantly associated with final career choice (OR = 9.3; 95% CI 3.1–28.6; P ≤ .001). Early exposure to elective subspecialty rotations during PGY-1 did not correlate with graduation career choice on logistic regression (provided as online supplemental material). Chi-square analysis revealed significant gender differences among the subspecialties (P = .002), with further analysis revealing the greatest disparity in primary care (82.4% in primary care versus 38.8% in subspecialties; 95% CI 23.4–63.7; P = .002). Other demographic factors were not significantly associated with subspecialty versus GIM career choice on logistic regression. Decision tree analysis of the major career choices suggested similar results (provided as online supplemental material).

In this study, early career preferences during recruitment, Match Day, and PGY-1 had poor concordance with graduation career choices for internal medicine. This timeline contrasts with findings from other specialties, such as pediatrics, in which career choices may have already been decided prior to residency.11,12  Our study represents one of the first attempts to longitudinally examine internal medicine resident career choices starting from residency recruitment.

There is considerable fluctuation in career choices of internal medicine residents prior to and during residency training. Although residency programs collect data regarding subspecialty interests from recently matched applicants to arrange mentorship or elective scheduling, the predictive utility may be low, and it remains uncertain whether such exposure increases the likelihood that a trainee will pursue a given subspecialty.2,6  Nevertheless, decisions not to pursue a planned subspecialty may be influenced by early rotations.9,10 

Certain career choices (eg, cardiology, gastroenterology) demonstrated more robust longitudinal concordances, but the decision to pursue GIM occurred much later in training. These findings may have implications for categorical programs seeking to support residents pursuing GIM.1315  Less than a third of our graduates pursuing primary care expressed a desire to do so at the end of PGY-2. Categorical programs facing a similar issue could consider offering greater flexibility to pursue primary care experiences during PGY-3. Our data also accentuate the established gender differences in resident career choices.13,1618  Previous studies demonstrated the potential effects of discrimination, decreased work satisfaction, income disparities, and dissatisfaction in achieving professional goals for decreased female interest in subspecialty training.1618 

We acknowledge several limitations. As a single institution study, generalizability is limited, particularly to training programs with additional tracks, such as primary care. We did not differentiate residents who pursued a short working period in GIM prior to applying to fellowships from those without subspecialty training plans and, therefore, may have overestimated the number of residents pursuing GIM training. Since our surveys were developed for scheduling purposes, they were not anonymous and did not measure residents' personal opinions, research endeavors, or loan burden.1922 

Career decisions within internal medicine are complex. Early career choices, as expressed from surveys during recruitment, Match Day, and PGY-1, may have low predictability of graduation career choices. The choice to pursue GIM fields may occur later in training, and early clinical exposure may not predict final career choice for subspecialties.

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Author notes

Editor's Note: The online version of this article contains outcomes of Match Day career preferences versus final graduation choice, decision tree analysis predicting the 7 most common career choices upon graduation, career choices of residents at each time point compared with final career choice, logistic regression for factors associated with residents' ultimate clinical decision choice at graduation, a full program description of the internal medicine residency, and the survey used in the study.

Funding: The authors report no external funding source for this study.

Competing Interests

Conflict of interest: The authors declare they have no competing interests.

Supplementary data