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Interdisciplinary Dissertation Research Among Public Health Doctoral Trainees, 2003-2015
Elizabeth H Golembiewski1, Ann M Holmes1, Joanna R Jackson1
11 Department of Health Policy and Management, Indiana University Fairbanks School of Public Health at Indiana University-Purdue University Indianapolis, Indianapolis, IN, USA.
Interdisciplinary public health dissertations increased from 2003-2015, but are concentrated in specific fields and graduate types. This research identifies correlates of this trend to inform future doctoral training.
Area of Science:
- Public Health Research
- Doctoral Studies
- Interdisciplinary Science
Background:
- Growing emphasis on interdisciplinary research in public health.
- Need to understand trends and characteristics of interdisciplinary doctoral work.
Purpose of the Study:
- Examine factors associated with interdisciplinary dissertation completion in public health.
- Identify common secondary fields among public health doctoral graduates.
Main Methods:
- Analysis of pooled cross-sectional data from 11,120 doctoral graduates (Survey of Earned Doctorates, 2003-2015).
- Primary outcome: interdisciplinary dissertation completion.
- Covariates: primary public health field, sociodemographics, institutional attributes.
Main Results:
- 36.0% of public health doctorates (4005/11,120) were interdisciplinary between 2003-2015, showing an increasing trend.
- Environmental health and health services administration graduates were more likely to complete interdisciplinary dissertations.
- Biostatistics and epidemiology graduates were less likely; completion associated with male, non-US citizen, private institution, and high research activity institutions.
Conclusions:
- Interdisciplinary dissertation research in public health is increasing but concentrated within specific fields, graduate profiles, and institutions.
- Findings can guide academic administrators in fostering interdisciplinary doctoral training and evaluating collaborations.
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