Publications by authors named "George J Unick"

Objectives: Opioid-related overdose deaths (OROD) increase annually, yet little is known about workplace risk factors. This study assessed differences in OROD rates across industry and occupation in Maryland, in addition to demographic differences within industry and occupation.

Methods: The 2018 State Unintentional Drug Overdose Reporting System was used to compare OROD between industries and occupations.

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In the context of family homelessness, children experience acute adversities related to loss of housing and residential mobility compounded with more chronic, poverty-related adversities and stressors. Among children in families experiencing homelessness, variability in experiences and outcomes warrant person-centered approaches to better delineate patterns of risk and resilience. Using latent profile analysis as a person-centered approach, we identified five distinct profiles of neurodevelopmental functioning within a sample of 231 children (ages 3-5 years old) staying in emergency homeless shelters with their families.

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We investigated the conceptualization and impact of adverse childhood experiences (ACEs) in a sample of 231 children ages 3-5 living in poverty and experiencing homelessness, focusing specifically on caregiver well-being and housing instability. Data was collected using the Neurodevelopmental Ecological Screening Tool (NEST), which screens for developmental risk and resilience across three domains (neurodevelopmental, caregiver, and environment). We used structural equation modelling (SEM) to test the association between domains and ACE scores and assessed the impact on neurodevelopmental constructs.

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Background And Aims: There is mounting evidence that opioid use disorder is experienced differently by people of different genders and race/ethnicity groups. Similarly, in the US access to specific medications for opioid use is limited by gender and race/ethnicity. This study aims to evaluate if gender or race/ethnicity is associated with different rates of treatment retention in the US, for each of three medications used to treat opioid use disorder.

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Young children from impoverished backgrounds experience high levels of family and environmental stress, adversely impacting developmental functioning. Early identification provides a pathway to solutions, but many children are never assessed. In addition, the child-serving workforce lacks resources and expertise to use traditional measures.

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Little research has compared item functioning of the Patient-Reported Outcomes Measurement Information System (PROMIS) anxiety short form 6a and the generalized anxiety disorder 7-item scale using item response theory models. This was a secondary analysis of self-reported assessments from 67 at-risk U.S.

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Objective: To examine the bidirectional effects of objectively measured nighttime sleep and sedentary activity among toddlers.

Method: Actical accelerometer data were analyzed for 195 toddlers participating in an obesity prevention trial (mean age = 27 months). Toddlers wore the accelerometers for up to 7 consecutive days.

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In response to the growing awareness of the high rates of potentially traumatic experiences and their potential adverse impacts, health and human service providers have increasingly focused on implementing trauma-informed care (TIC). However, studies focusing on effective implementation have been limited. In this study, we explored the relationship of individual and agency characteristics to the level of organizational TIC.

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Background: US opioid overdose death rates have increased between 2000 and 2014. While, the increase in prescription opioid use has been linked to the increase in heroin use, there are reasons to view this relationship as a partial explanation for the recent increase in heroin-related harms. This study documents the differences in trends in prescription opioid overdose-related (POD) and heroin overdose-related (HOD) hospitalizations.

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Aims: To examine the relationship between fatigue and sickness absence in nurses from a paediatric hospital over 12 months of follow-up. A secondary aim was to identify other work and personal factors that predict sickness absence.

Background: Sickness absence is often related to worker-fatigue, yet few studies have explored this relationship in nurses despite documented high fatigue levels.

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Objective: This study examined effects of patient-level and hospital-level characteristics on length and cost of hospital stays among adult patients with psychotic disorders.

Methods: A subsample of 677,684 adult patients with a primary diagnosis of a psychotic disorder was drawn from the 2003-2011 Healthcare Cost and Utilization Project Nationwide Inpatient Sample. A nationally representative survey design and census data were used to calculate hospitalization rates.

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Introduction: Little is known about trends in national rates of injection-related skin and soft tissue infections (SSTI) and their relationship to the structural risk environment for heroin users. Use of Mexican-sourced "Black Tar" heroin, predominant in western US states, may have greater risk for SSTI compared with eastern US powder heroin (Colombian-sourced) due to its association with non-intravenous injection or from possible contamination.

Methods: Using nationally representative hospital admissions data from the Nationwide Inpatient Sample and heroin price and purity data from the Drug Enforcement Administration, we looked at rates of hospital admissions for opiate-related SSTI (O-SSTI) between 1993 and 2010.

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Objective: This aim of this study was to characterize trends in alcohol-related hospital admissions among middle-aged and older adults from 1993 to 2010 in relation to age, gender, race, and cohort membership.

Method: This study utilized repeated cross-sectional data from the Nationwide Inpatient Sample. Using alcohol-related classified admissions, yearly rates and longitudinal trends of alcohol-related inpatient hospitalizations based on age, period, birth cohort, gender, and race were estimated.

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Objective: The prevalence of depression in older adults has been increasing over the last 20 years and is associated with economic costs in the form of treatment utilization and caregiving, including inpatient hospitalization. Comorbid alcohol diagnoses may serve as a complicating factor in inpatient admissions and may lead to overutilization of care and greater economic cost. This study sought to isolate the comorbidity effect of alcohol among older adult hospital admissions for depression.

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Background: We hypothesize that the location of highly segregated Hispanic and in particular Puerto Rican neighborhoods can explain how Colombian-sourced heroin, which is associated with a large-scale decade long decline in heroin price and increase in purity, was able to enter and proliferate in the US.

Methods: Our multidisciplinary analysis quantitatively operationalizes participant-observation ethnographic hypotheses informed by social science theory addressing complex political economic, historical, cultural and social processes. First, we ethnographically document the intersection of structural forces shaping Philadelphia's hypersegregated Puerto Rican community as a regional epicenter of the US heroin market.

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Vicarious trauma (VT) involves affective distress and shifts in cognitive schemas following secondary exposure to traumatic material. The Vicarious Trauma Scale (VTS) is a brief measure designed to assess distress resulting from such exposure and has potential as a screening tool for VT in practice and educational settings. The current study is the first examination of the psychometric properties of the VTS in a sample of social workers (n = 157) collected in a cross-sectional survey.

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There have been large structural changes in the US heroin market over the past 20 years. Colombian-sourced heroin entered the market in the mid-1990s, followed by a large fall in the price per pure gram and the exit of Asian heroin. By the 2000s, Colombian-sourced heroin had become a monopoly on the east coast and Mexican-sourced heroin a monopoly on the west coast with competition between the two in the middle.

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OBJECTIVE The study objective was to fill research gaps about inpatient psychiatric service utilization among Asian Americans and Pacific Islanders (AA/PIs). METHODS Rates of psychiatric hospitalization, illness severity, and length of stay were compared among AA/PI adults overall and across diagnoses (schizophrenia, depression, bipolar, anxiety, and other psychiatric disorders identified by All Patient Refined Diagnosis Related Groups) by using discharge data from all hospitalizations in Hawaii from December 2006 to 2010. Multivariable models adjusted for gender, age, payer, and residence.

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The historical patterns of opiate use show that sources and methods of access greatly influence who is at risk. Today, there is evidence that an enormous increase in the availability of prescription opiates is fuelling a rise in addiction nationally, drawing in new initiates to these drugs and changing the geography of opiate overdoses. Recent efforts at supply-based reductions in prescription opiates may reduce harm, but addicted individuals may switch to other opiates such as heroin.

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Objectives: The authors describe the development of the Maryland Assessment of Recovery in People with Serious Mental Illness, or MARS, a 25-item self-report instrument that measures recovery of people with serious mental illness, and report a study of its psychometric properties.

Methods: Doctoral-level scientists with expertise in serious mental illness drafted a set of survey items about the recovery process. Items reflected recovery domains outlined by the Substance Abuse and Mental Health Services Administration.

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Objective: As a gateway to the mental health system, psychiatric emergency services (PES) are charged with assessing a heterogeneous array of short-term and long-term psychiatric crises. However, few studies have examined factors associated with inpatient psychiatric hospitalization following PES in a racially diverse sample. We examine the demographic, service use and clinical factors associated with inpatient hospitalization and differences in predisposing factors by race and ethnicity.

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This study examines barriers to economic self-sufficiency among a panel of 219 former Supplemental Security Income (SSI) drug addiction and alcoholism (DA&A) recipients following elimination of DA&A as an eligibility category for SSI disability benefits. Study participants were comprehensively surveyed at six measurement points following the policy change. Generalized estimating equations were used to examine full-sample and gender-specific barriers to economic self-sufficiency.

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Major depressive disorder (MDD) and generalized anxiety disorder (GAD) are highly comorbid and, as diagnoses, problematic because they are heterogeneous, may impair functioning even in subclinical manifestations, and may not predict important external criteria as well as empirically-derived classifications. The present study employed a latent class analysis using data from National Comorbidity Survey (1990-1992) and focused on respondents who endorsed at least 1 screening question for MDD and 1 for GAD (N = 1009). Results revealed 4 symptom domains (somatic anxiety, somatic depression, psychological anxiety, and psychological depression) reflecting the heterogeneity of MDD and GAD, and 7 respondent classes.

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Background: The past two decades have seen an increase in heroin-related morbidity and mortality in the United States. We report on trends in US heroin retail price and purity, including the effect of entry of Colombian-sourced heroin on the US heroin market.

Methods: The average standardized price ($/mg-pure) and purity (% by weight) of heroin from 1993 to 2004 was from obtained from US Drug Enforcement Agency retail purchase data for 20 metropolitan statistical areas.

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