Elsevier

Annals of Epidemiology

Volume 10, Issue 2, February 2000, Pages 74-80
Annals of Epidemiology

Original reports
The Disease Profile of Texas Prison Inmates

https://doi.org/10.1016/S1047-2797(99)00033-2Get rights and content

Abstract

PURPOSE: Whereas prison inmates are reported to exhibit poorer overall health status and higher rates of health care utilization than the general population, no current information exists on the overall disease profile of the U.S. prison population. The present study examined the prevalence of major acute and chronic conditions in one of the nation's largest prison populations.

METHODS: The study population consisted of 170,215 Texas Department of Criminal Justice (TDCJ) inmates who were incarcerated between August 1997 and July 1998. Information on medical conditions and sociodemographic factors was obtained from an institution-wide medical information system.

RESULTS: Infectious diseases (29.6%) constituted the most prevalent major disease category among inmates. This was followed by diseases of the musculoskeletal system and connective tissue (15.3%), diseases of the circulatory system (14.0%), mental disorders (10.8%), and diseases of the respiratory system (6.3%). Among the specific conditions examined, evidence of tuberculosis infection without active pulmonary disease (20.1%) was found to be the most prevalent condition, followed by hypertension (9.8%), asthma (5.2%), low back pain (5.1%), and viral hepatitis (5.0%).

CONCLUSIONS: The present study shows that for a number of conditions, the prison population exhibited prevalence rates that were substantially higher than those reported for the general population. Moreover, estimates for a number of diseases varied substantially according to age, race, and gender. Understanding the disease profile in U.S. incarcerated populations will permit correctional administrators to develop more efficient health care delivery systems for prison inmates.

Introduction

Research indicates that prison inmates in the United States exhibit higher rates of health care utilization than the general population 1, 2, 3, 4, 5. This excess has been attributed in part to prison inmates' increased risk for infectious disease 6, 7, 8, 9, 10 and mental disorders 10, 11, 12. The prevalence of both tuberculosis and hepatitis, for example, are reported to be higher for prisoners than for their same-age peers in the general population 10, 13. Likewise, the incidence of AIDS and a number of other sexually transmitted diseases are reported to be substantially elevated among prisoners 2, 7, 8, 9.

Prison inmates are also reported to exhibit elevated rates of affective disorders, schizophrenic disorders, and substance abuse 10, 11, 12. Scarce information exists, however, on the many other medical conditions that underlie the high health care utilization rates of prisoners. This dearth of information has hindered the organization of effective health care delivery in prison systems.

The purpose of the present investigation, therefore, was to examine the prevalence of major diseases, both infectious and chronic, in one of the nation's largest prison populations.

Section snippets

Methods

The cohort under study consisted of 170,215 prison inmates who were incarcerated in the Texas Department of Criminal Justice (TDCJ) system for any duration dating from August 1997 through July 1998. Texas houses one of the largest prison populations in the U.S. (11) and together with California houses almost one-third of all U.S. prison inmates (14). All inmates included in the present study population have been convicted of criminal offenses. Diagnoses of all medical conditions were made by

Results

Sociodemographic characteristics of the total TDCJ inmate population are presented in Table 1. The vast majority of inmates were male and between 30–49 years old. Blacks constituted 44% of the total inmate population, whereas Whites and Hispanics represented 30% and 26%, respectively. Prevalence estimates of all major ICD-10 categories in the TDCJ study population are presented overall and for males and females separately in Table 2.

Infectious diseases comprised the most common category of

Discussion

The purpose of the present study was to describe the patterns of disease prevalence in the TDCJ prison population. The findings show that 53.0% of the study population exhibited at least one medical condition during the twelve-month study period. As reported, this proportion varied substantially according to race, gender, and age. The study population also exhibited a number of interesting specific disease patterns, many of which also varied substantially according to the sociodemographic

Acknowledgements

This project was supported by Grant No. 98-CE-VX-0022 awarded by the National Institute of Justice, Office of Justice Programs, U.S. Dept. of Justice. Points of view in this document are those of the authors and do not necessarily represent the official position or policies of the U.S. Department of Justice. The authors are grateful to W. Michael Hollander for his assistance with data management of this project.

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