Alicia H Chang
Biographic Data
| ID | 4889108 |
|---|---|
| NAME | Alicia H Chang |
| GIVEN NAMES | Alicia H |
| FAMILY NAME | Chang |
| SIGNATURE | CHANG A H |
| AFFILIATIONS | Los Angeles County Department of Public Health |
| ORCID | 0000-0002-7556-7250 |
| VERIFIED | Yes |
| TOTAL WORKS | 15 |
| TOTAL CITATIONS | 2 |
| AUTHOR COUNT | 15 |
| EDITOR COUNT | 0 |
| FIRST PUBLICATION YEAR | 2011 |
| LATEST PUBLICATION YEAR | 2026 |
| H-INDEX | 1 |
Identifying people experiencing homelessness through Covid-19 hospitalization records in Los Angeles County, 2020–2022
Introduction This study aims to validate homelessness indicator variables found in COVID-19 hospitalization data from Los Angeles County (LAC).Method COVID-19 positive inpatients from LAC hospitals were identified as presumed People Experiencing Homelessness (PEH) with indicators derived from medical record address information, ICD-10 diagnoses codes and a homelessness flag required in COVID-19 mandated surveillance reporting. Analyses were condu…
A Covid-19 Vaccination Program to Promote Uptake and Equity for People Experiencing Homelessness in Los Angeles County
People experiencing homelessness (PEH) have been disproportionately affected by COVID-19, yet their vaccination coverage is lower than is that of the general population. We implemented a COVID-19 vaccination program that used evidence-based and culturally tailored approaches to promote vaccine uptake and equity for PEH in Los Angeles County, California. From February 2021 through February 2022, 33 977 doses of vaccine were administered at 2658 cl…
Mutation of Mycobacterium tuberculosis and Implications for Using Whole-Genome Sequencing for Investigating Recent Tuberculosis Transmission
Tuberculosis (TB) control programs use whole-genome sequencing (WGS) of Mycobacterium tuberculosis ( Mtb ) for detecting and investigating TB case clusters. Existence of few genomic differences between Mtb isolates might indicate TB cases are the result of recent transmission. However, the variable and sometimes long duration of latent infection, combined with uncertainty in the Mtb mutation rate during latency, can complicate interpretation of W…
Perceptions of Homeless Adults and Their Providers on Coping With the Impact of Covid-19 Pandemic on Mental Health, Substance Use, and Harm Reduction Services
Adults experiencing homelessness experience a disproportionate burden of health disparities which has further exacerbated mental health, substance use, and coping during the COVID-19 pandemic. As limited data is available to understand the experience of adults experiencing homelessness and their health during this time, the purpose of this study was to explore how COVID-19 may have impacted their mental health, substance use, and ways of coping i…
Covid-19 Vaccine Acceptability and Financial Incentives among Unhoused People in Los Angeles County
Unhoused people have higher COVID-19 mortality and lower vaccine uptake than housed community members. Understanding vaccine hesitancy among unhoused people is key for developing programs that address their unique needs. A three-round, rapid, field-based survey was conducted to describe attitudes toward COVID-19 vaccination. Round 1 assessed vaccine brand preference, round 2 assessed intention to accept a financial incentive for vaccination, and …
Challenging Health Inequities in Tuberculosis Elimination
Correlates of depression and anxiety among homeless adults with latent tuberculosis infection
Homeless persons have disproportionate rates of latent tuberculosis infection (LTBI). LTBI treatment can prevent and reduce active tuberculosis spread. We examined associations between mental health, social support, and perceptions of general health in 50 LTBI-positive, homeless adults enrolled in LTBI treatment. Depression and anxiety prevalence were 40% and 48%, respectively. Depression was negatively associated with general health, positive so…
Engaging the Community in Designing a Hepatitis C Virus Treatment Program for Adults Experiencing Homelessness
Despite the availability of cure for hepatitis C virus (HCV), people experiencing homelessness (PEH) are challenged with initiating and completing HCV treatment. The design of culturally sensitive HCV treatment programs is lacking. The objective was to employ community-based participatory research methods to understand perceptions of HCV-positive PEH, and providers, on the design and delivery of a culturally sensitive, nurse-led community health …
Acceptability and Feasibility of a Nurse-Led, Community Health Worker Partnered Latent Tuberculosis Medication Adherence Model for Homeless Adults
Homeless adults are at increased risk of latent tuberculosis infection (LTBI), which can lead to active tuberculosis (TB) disease. The purpose of this study was to assess acceptability and feasibility of a six-month, nurse-led, community health worker-partnered short-course treatment (3HP) LTBI adherence model for a high risk, LTBI positive, homeless population. Informed by our community advisory board (CAB) and community-based participatory rese…
Spatial distribution of tuberculosis incidence in Los Angeles County
This study highlights areas of high TB incidence within Los Angeles County both for U.S.-born cases and for cases born in Mexico, Vietnam or the Philippines. It also highlights areas that had high incidence rates even when accounting for non-spatial error and country of birth, age, sex, and years since initial arrival in the U.S. Information on spatial distribution provided here complements other descriptions of local disease burden and may help …
Missed Opportunity to Prevent Tuberculosis
AffiliationsSanghyuk S. Shin and Tiffany Hsu are with the Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles. Edgar Chavez is with the Universal Community Health Center, Los Angeles. Alicia H. Chang is with the Division of Infectious Diseases and Geographic Medicine, Stanford University, Stanford, CA, and the Tuberculosis Control Program, Los Angeles County Department of Public Health, Los Angeles.…
Deconstructing Building Blocks
This study focuses on three main goals: First, 3-year-olds' spatial assembly skills are probed using interlocking block constructions (N = 102). A detailed scoring scheme provides insight into early spatial processing and offers information beyond a basic accuracy score. Second, the relation of spatial assembly to early mathematical skills was evaluated. Spatial skill independently predicted a significant amount of the variability in concurrent m…
House calls by community health workers and public health nurses to improve adherence to isoniazid monotherapy for latent tuberculosis infection
Home-based follow-up of LTBI patients taking isoniazid was associated with improved treatment completion and no increase in adverse effects regardless of patient characteristics or prescribed duration of INH therapy
Parental numeric language input to Mandarin Chinese and English speaking preschool children
The present study examined the number-specific parental language input to Mandarin- and English-speaking preschool-aged children. Mandarin and English transcripts from the CHILDES database were examined for amount of numeric speech, specific types of numeric speech and syntactic frames in which numeric speech appeared. The results showed that Mandarin-speaking parents talked about number more frequently than English-speaking parents. Further, the…
Gender Biases in Early Number Exposure to Preschool-Aged Children
Despite dramatically narrowing gender gaps, women remain underrepresented in mathematics and math-related fields. Parents can shape expectations and interests, which may predict later differences in achievement and occupational choices. This study examines children’s early mathematical environments by observing the amount that mothers talk to their sons and daughters (mean age 22 months) about cardinal number, a basic precursor to mathematics. In…
Covid-19 Vaccine Acceptability and Financial Incentives among Unhoused People in Los Angeles County
Unhoused people have higher COVID-19 mortality and lower vaccine uptake than housed community members. Understanding vaccine hesitancy among unhoused people is key for developing programs that address their unique needs. A three-round, rapid, field-based survey was conducted to describe attitudes toward COVID-19 vaccination. Round 1 assessed vaccine brand preference, round 2 assessed intention to accept a financial incentive for vaccination, and …
Engaging the Community in Designing a Hepatitis C Virus Treatment Program for Adults Experiencing Homelessness
Despite the availability of cure for hepatitis C virus (HCV), people experiencing homelessness (PEH) are challenged with initiating and completing HCV treatment. The design of culturally sensitive HCV treatment programs is lacking. The objective was to employ community-based participatory research methods to understand perceptions of HCV-positive PEH, and providers, on the design and delivery of a culturally sensitive, nurse-led community health …
Parental numeric language input to Mandarin Chinese and English speaking preschool children
The present study examined the number-specific parental language input to Mandarin- and English-speaking preschool-aged children. Mandarin and English transcripts from the CHILDES database were examined for amount of numeric speech, specific types of numeric speech and syntactic frames in which numeric speech appeared. The results showed that Mandarin-speaking parents talked about number more frequently than English-speaking parents. Further, the…
Gender Biases in Early Number Exposure to Preschool-Aged Children
Despite dramatically narrowing gender gaps, women remain underrepresented in mathematics and math-related fields. Parents can shape expectations and interests, which may predict later differences in achievement and occupational choices. This study examines children’s early mathematical environments by observing the amount that mothers talk to their sons and daughters (mean age 22 months) about cardinal number, a basic precursor to mathematics. In…
House calls by community health workers and public health nurses to improve adherence to isoniazid monotherapy for latent tuberculosis infection
Home-based follow-up of LTBI patients taking isoniazid was associated with improved treatment completion and no increase in adverse effects regardless of patient characteristics or prescribed duration of INH therapy
Deconstructing Building Blocks
This study focuses on three main goals: First, 3-year-olds' spatial assembly skills are probed using interlocking block constructions (N = 102). A detailed scoring scheme provides insight into early spatial processing and offers information beyond a basic accuracy score. Second, the relation of spatial assembly to early mathematical skills was evaluated. Spatial skill independently predicted a significant amount of the variability in concurrent m…
Missed Opportunity to Prevent Tuberculosis
AffiliationsSanghyuk S. Shin and Tiffany Hsu are with the Department of Epidemiology, Fielding School of Public Health, University of California, Los Angeles. Edgar Chavez is with the Universal Community Health Center, Los Angeles. Alicia H. Chang is with the Division of Infectious Diseases and Geographic Medicine, Stanford University, Stanford, CA, and the Tuberculosis Control Program, Los Angeles County Department of Public Health, Los Angeles.…
Acceptability and Feasibility of a Nurse-Led, Community Health Worker Partnered Latent Tuberculosis Medication Adherence Model for Homeless Adults
Homeless adults are at increased risk of latent tuberculosis infection (LTBI), which can lead to active tuberculosis (TB) disease. The purpose of this study was to assess acceptability and feasibility of a six-month, nurse-led, community health worker-partnered short-course treatment (3HP) LTBI adherence model for a high risk, LTBI positive, homeless population. Informed by our community advisory board (CAB) and community-based participatory rese…
Spatial distribution of tuberculosis incidence in Los Angeles County
This study highlights areas of high TB incidence within Los Angeles County both for U.S.-born cases and for cases born in Mexico, Vietnam or the Philippines. It also highlights areas that had high incidence rates even when accounting for non-spatial error and country of birth, age, sex, and years since initial arrival in the U.S. Information on spatial distribution provided here complements other descriptions of local disease burden and may help …
Engaging the Community in Designing a Hepatitis C Virus Treatment Program for Adults Experiencing Homelessness
Despite the availability of cure for hepatitis C virus (HCV), people experiencing homelessness (PEH) are challenged with initiating and completing HCV treatment. The design of culturally sensitive HCV treatment programs is lacking. The objective was to employ community-based participatory research methods to understand perceptions of HCV-positive PEH, and providers, on the design and delivery of a culturally sensitive, nurse-led community health …
Mutation of Mycobacterium tuberculosis and Implications for Using Whole-Genome Sequencing for Investigating Recent Tuberculosis Transmission
Tuberculosis (TB) control programs use whole-genome sequencing (WGS) of Mycobacterium tuberculosis ( Mtb ) for detecting and investigating TB case clusters. Existence of few genomic differences between Mtb isolates might indicate TB cases are the result of recent transmission. However, the variable and sometimes long duration of latent infection, combined with uncertainty in the Mtb mutation rate during latency, can complicate interpretation of W…
Perceptions of Homeless Adults and Their Providers on Coping With the Impact of Covid-19 Pandemic on Mental Health, Substance Use, and Harm Reduction Services
Adults experiencing homelessness experience a disproportionate burden of health disparities which has further exacerbated mental health, substance use, and coping during the COVID-19 pandemic. As limited data is available to understand the experience of adults experiencing homelessness and their health during this time, the purpose of this study was to explore how COVID-19 may have impacted their mental health, substance use, and ways of coping i…
Covid-19 Vaccine Acceptability and Financial Incentives among Unhoused People in Los Angeles County
Unhoused people have higher COVID-19 mortality and lower vaccine uptake than housed community members. Understanding vaccine hesitancy among unhoused people is key for developing programs that address their unique needs. A three-round, rapid, field-based survey was conducted to describe attitudes toward COVID-19 vaccination. Round 1 assessed vaccine brand preference, round 2 assessed intention to accept a financial incentive for vaccination, and …
Challenging Health Inequities in Tuberculosis Elimination
Correlates of depression and anxiety among homeless adults with latent tuberculosis infection
Homeless persons have disproportionate rates of latent tuberculosis infection (LTBI). LTBI treatment can prevent and reduce active tuberculosis spread. We examined associations between mental health, social support, and perceptions of general health in 50 LTBI-positive, homeless adults enrolled in LTBI treatment. Depression and anxiety prevalence were 40% and 48%, respectively. Depression was negatively associated with general health, positive so…
A Covid-19 Vaccination Program to Promote Uptake and Equity for People Experiencing Homelessness in Los Angeles County
People experiencing homelessness (PEH) have been disproportionately affected by COVID-19, yet their vaccination coverage is lower than is that of the general population. We implemented a COVID-19 vaccination program that used evidence-based and culturally tailored approaches to promote vaccine uptake and equity for PEH in Los Angeles County, California. From February 2021 through February 2022, 33 977 doses of vaccine were administered at 2658 cl…
Identifying people experiencing homelessness through Covid-19 hospitalization records in Los Angeles County, 2020–2022
Introduction This study aims to validate homelessness indicator variables found in COVID-19 hospitalization data from Los Angeles County (LAC).Method COVID-19 positive inpatients from LAC hospitals were identified as presumed People Experiencing Homelessness (PEH) with indicators derived from medical record address information, ICD-10 diagnoses codes and a homelessness flag required in COVID-19 mandated surveillance reporting. Analyses were condu…
Medicine (10 works) · Psychology (6 works) · Tuberculosis Research and Epidemiology (6 works) · Homelessness and Social Issues (5 works) · Nursing (5 works) · Tuberculosis (5 works) · Food Security and Health in Diverse Populations (4 works) · Mycobacterium tuberculosis (4 works) · Public health (4 works) · Cognitive and developmental aspects of mathematical skills (3 works)