Craig J Newschaffer
Dados Biográficos
| ID | 5477195 |
|---|---|
| NOME | Craig J Newschaffer |
| PRENOMES | Craig J |
| SOBRENOME | Newschaffer |
| ASSINATURA | NEWSCHAFFER C J |
| AFILIAÇÕES | Drexel University |
| ORCID | 0000-0002-4148-3593 |
| VERIFICADO | Sim |
| TOTAL DE OBRAS | 18 |
| TOTAL DE CITAÇÕES | 17 |
| TOTAL COMO AUTOR | 18 |
| TOTAL COMO EDITOR | 0 |
| PRIMEIRO ANO DE PUBLICAÇÃO | 1996 |
| ANO MAIS RECENTE DE PUBLICAÇÃO | 2025 |
| ÍNDICE H | 2 |
Psychometric properties of the Childhood Adversity and Social Stress Questionnaire, Parent Report (CASSQ-PR), a measure tailored to assess stressful experiences and traumatic stress symptoms in autist…
The CASSQ-PR offers a valid estimate of SE and TSS as observed by parents in verbally communicative, school-age autistic youth; however, further research with more sociodemographically diverse and clinical samples is warranted. (PsycInfo Database Record (c) 2026 APA, all rights reserved)
Expert consensus regarding indicators of a traumatic reaction in autistic youth
OBJECTIVE: It has been suggested that the sequelae of trauma are under-recognized in youth on the autism spectrum. We aimed to generate expert consensus regarding important trauma indicators, including but not limited to traumatic stress symptoms, in autistic youth. METHODS: We recruited 72 experts in autism and/or childhood trauma. Via a 2-round Delphi survey, experts commented on and rated the importance of 48 potential indicators, drawn from P…
A Qualitative Study of Self and Caregiver Perspectives on How Autistic Individuals Cope With Trauma
Autistic individuals use many strategies to cope with trauma, many of which are traditionally recognized as coping, but some of which may be less easily recognized given their overlap with autism-related behaviors. Findings highlight considerations for conceptualizing coping in autism, including factors influencing how individuals cope with trauma, and how aspects of autism may shape or overlap with coping behavior. Research building on these fin…
Bayesian Weighted Sums
BWS provides a means of estimating the summed effect and weights for individual components of a mixture. This approach is distinct from other exposure mixture tools. BWS may be more flexible than existing approaches and can be specified to allow multiple exposure groups based on a priori knowledge from epidemiology or toxicology
Gestational Exposure to Phthalates and Social Responsiveness Scores in Children Using Quantile Regression
Linear regression is often used to estimate associations between chemical exposures and neurodevelopment at the mean of the outcome. However, the potential effect of chemicals may be greater among individuals at the 'tails' of outcome distributions. Here, we investigated distributional effects on the associations between gestational phthalate exposure and child Autism Spectrum Disorder (ASD)-related behaviors using quantile regression. We harmoni…
Health Service and Functional Measures of Benefit of a Medical Home in Children with Autism
Prenatal Multivitamin Use and MTHFR Genotype Are Associated with Newborn Cord Blood DNA Methylation
We observed that cord blood DNA methylation was associated with maternal supplement exposure preconception and maternal genotype. Genetic context should be considered when assessing DNA methylation effects of modifiable risk factors around the time of pregnancy
Trends in Autism Spectrum Disorders
"Trends in Autism Spectrum Disorders: The Interaction of Time, Group-Level Socioeconomic Status, and Individual-Level Race/Ethnicity." , 107(11), pp. 1698–1699
The Role of Genotypes That Modify the Toxicity of Chemical Mutagens in the Risk for Myeloproliferative Neoplasms
Exposures, such as to aromatic compounds, whose toxicity is modified by genotypes associated with outcome in our analysis may play a role in the environmental etiology of MPNs
Pooling Bio-Specimens in the Presence of Measurement Error and Non-Linearity in Dose-Response
We sought to determine the potential effects of pooling on power, false positive rate (FPR), and bias of the estimated associations between hypothetical environmental exposures and dichotomous autism spectrum disorders (ASD) status. Simulated birth cohorts in which ASD outcome was assumed to have been ascertained with uncertainty were created. We investigated the impact on the power of the analysis (using logistic regression) to detect true assoc…
Quantifying the potential impact of measurement error in an investigation of autism spectrum disorder (ASD)
The Early Autism Risk Longitudinal Investigation (EARLI), an ongoing study of a risk-enriched pregnancy cohort, examines genetic and environmental risk factors for autism spectrum disorders (ASDs). We simulated the potential effects of both measurement error (ME) in exposures and misclassification of ASD-related phenotype (assessed as Autism Observation Scale for Infants (AOSI) scores) on measures of association generated under this study design.…
Estimated Autism Risk, Older Reproductive Age, and Parameterization
In their recent article, King et al.1 seemed to dismiss the conclusion supported by previous epidemiologic studies (including 1 authored by us)2,3 that increasing maternal age and paternal age are both independently associated with autism risk. Based on their analysis of California Department of Disabilities Services (DDS) data, King et al. argued that the previously observed paternal age effect is an artifact of pooling data across successive bi…
Antiretroviral Use and Pharmacy-Based Measurement of Adherence in Postpartum HIV-Infected Women
BACKGROUND: Antiretroviral treatment for HIV-infected women is standard during pregnancy to prevent vertical transmission, but data on postpartum therapy for the mother are lacking. OBJECTIVE: The objective of this study was to examine the impact of provider and patient characteristics on receipt of antiretroviral therapy and pharmacy-based measurement of adherence by postpartum HIV-infected women. RESEARCH DESIGN: This was a retrospective cohort…
Effect of Enhanced Prenatal and HIV-Focused Services for Pregnant Women Who Are Infected by Human Immunodeficiency Virus on Emergency Department Use
OBJECTIVES: This study examines whether the receipt of enhanced prenatal or human immunodeficiency virus (HIV) medical services is associated with in-pregnancy emergency department (ED) utilization by HIV-infected women. METHODS: Medicaid and vital statistics records were linked for 1,826 women who are infected by HIV and who were delivered from 1993 to 1995 while receiving New York State Medicaid. The authors examined two types of ambulatory car…
Clinic characteristics associated with reduced hospitalization of druc users with aids
Brownson and Colleagues Respond
Brownson and Colleagues Respond Ross C. Brownson, Craig J. Newschaffer, and Farnoush Ali-Abarghoui CopyRight https://doi.org/10.2105/AJPH.88.5.839-a Published Online: October 07, 2011
Policy research for disease prevention
Policy approaches to health promotion and disease prevention hold great potential, as several community-based projects have illustrated. Policy interventions, despite their wide-spread use, frequently lack a systematic framework for implementation and evaluation. The authors propose a four-stage framework for the formation and evaluation of public health policy. The stages are identification of health risks and preventive options; intervention de…
Factors that Determine the Treatment for Local and Regional Prostate Cancer
This article assesses the significance of comorbid and nonclinical factors in type of treatment received by elderly male patients with local-regional stage prostate cancer. Multivariate analysis of data from the Virginia Cancer Registry was linked to Medicare claim files, the Area Resource File, and 1990 Census Data. The type of initial treatment received was studied in 3117 men with local-regional staged prostate cancer diagnosed from 1985 to 19…
Policy research for disease prevention
Policy approaches to health promotion and disease prevention hold great potential, as several community-based projects have illustrated. Policy interventions, despite their wide-spread use, frequently lack a systematic framework for implementation and evaluation. The authors propose a four-stage framework for the formation and evaluation of public health policy. The stages are identification of health risks and preventive options; intervention de…
Clinic characteristics associated with reduced hospitalization of druc users with aids
Factors that Determine the Treatment for Local and Regional Prostate Cancer
This article assesses the significance of comorbid and nonclinical factors in type of treatment received by elderly male patients with local-regional stage prostate cancer. Multivariate analysis of data from the Virginia Cancer Registry was linked to Medicare claim files, the Area Resource File, and 1990 Census Data. The type of initial treatment received was studied in 3117 men with local-regional staged prostate cancer diagnosed from 1985 to 19…
Policy research for disease prevention
Policy approaches to health promotion and disease prevention hold great potential, as several community-based projects have illustrated. Policy interventions, despite their wide-spread use, frequently lack a systematic framework for implementation and evaluation. The authors propose a four-stage framework for the formation and evaluation of public health policy. The stages are identification of health risks and preventive options; intervention de…
Clinic characteristics associated with reduced hospitalization of druc users with aids
Brownson and Colleagues Respond
Brownson and Colleagues Respond Ross C. Brownson, Craig J. Newschaffer, and Farnoush Ali-Abarghoui CopyRight https://doi.org/10.2105/AJPH.88.5.839-a Published Online: October 07, 2011
Effect of Enhanced Prenatal and HIV-Focused Services for Pregnant Women Who Are Infected by Human Immunodeficiency Virus on Emergency Department Use
OBJECTIVES: This study examines whether the receipt of enhanced prenatal or human immunodeficiency virus (HIV) medical services is associated with in-pregnancy emergency department (ED) utilization by HIV-infected women. METHODS: Medicaid and vital statistics records were linked for 1,826 women who are infected by HIV and who were delivered from 1993 to 1995 while receiving New York State Medicaid. The authors examined two types of ambulatory car…
Antiretroviral Use and Pharmacy-Based Measurement of Adherence in Postpartum HIV-Infected Women
BACKGROUND: Antiretroviral treatment for HIV-infected women is standard during pregnancy to prevent vertical transmission, but data on postpartum therapy for the mother are lacking. OBJECTIVE: The objective of this study was to examine the impact of provider and patient characteristics on receipt of antiretroviral therapy and pharmacy-based measurement of adherence by postpartum HIV-infected women. RESEARCH DESIGN: This was a retrospective cohort…
Estimated Autism Risk, Older Reproductive Age, and Parameterization
In their recent article, King et al.1 seemed to dismiss the conclusion supported by previous epidemiologic studies (including 1 authored by us)2,3 that increasing maternal age and paternal age are both independently associated with autism risk. Based on their analysis of California Department of Disabilities Services (DDS) data, King et al. argued that the previously observed paternal age effect is an artifact of pooling data across successive bi…
Quantifying the potential impact of measurement error in an investigation of autism spectrum disorder (ASD)
The Early Autism Risk Longitudinal Investigation (EARLI), an ongoing study of a risk-enriched pregnancy cohort, examines genetic and environmental risk factors for autism spectrum disorders (ASDs). We simulated the potential effects of both measurement error (ME) in exposures and misclassification of ASD-related phenotype (assessed as Autism Observation Scale for Infants (AOSI) scores) on measures of association generated under this study design.…
The Role of Genotypes That Modify the Toxicity of Chemical Mutagens in the Risk for Myeloproliferative Neoplasms
Exposures, such as to aromatic compounds, whose toxicity is modified by genotypes associated with outcome in our analysis may play a role in the environmental etiology of MPNs
Pooling Bio-Specimens in the Presence of Measurement Error and Non-Linearity in Dose-Response
We sought to determine the potential effects of pooling on power, false positive rate (FPR), and bias of the estimated associations between hypothetical environmental exposures and dichotomous autism spectrum disorders (ASD) status. Simulated birth cohorts in which ASD outcome was assumed to have been ascertained with uncertainty were created. We investigated the impact on the power of the analysis (using logistic regression) to detect true assoc…
Trends in Autism Spectrum Disorders
"Trends in Autism Spectrum Disorders: The Interaction of Time, Group-Level Socioeconomic Status, and Individual-Level Race/Ethnicity." , 107(11), pp. 1698–1699
Prenatal Multivitamin Use and MTHFR Genotype Are Associated with Newborn Cord Blood DNA Methylation
We observed that cord blood DNA methylation was associated with maternal supplement exposure preconception and maternal genotype. Genetic context should be considered when assessing DNA methylation effects of modifiable risk factors around the time of pregnancy
Bayesian Weighted Sums
BWS provides a means of estimating the summed effect and weights for individual components of a mixture. This approach is distinct from other exposure mixture tools. BWS may be more flexible than existing approaches and can be specified to allow multiple exposure groups based on a priori knowledge from epidemiology or toxicology
Gestational Exposure to Phthalates and Social Responsiveness Scores in Children Using Quantile Regression
Linear regression is often used to estimate associations between chemical exposures and neurodevelopment at the mean of the outcome. However, the potential effect of chemicals may be greater among individuals at the 'tails' of outcome distributions. Here, we investigated distributional effects on the associations between gestational phthalate exposure and child Autism Spectrum Disorder (ASD)-related behaviors using quantile regression. We harmoni…
Health Service and Functional Measures of Benefit of a Medical Home in Children with Autism
A Qualitative Study of Self and Caregiver Perspectives on How Autistic Individuals Cope With Trauma
Autistic individuals use many strategies to cope with trauma, many of which are traditionally recognized as coping, but some of which may be less easily recognized given their overlap with autism-related behaviors. Findings highlight considerations for conceptualizing coping in autism, including factors influencing how individuals cope with trauma, and how aspects of autism may shape or overlap with coping behavior. Research building on these fin…
Expert consensus regarding indicators of a traumatic reaction in autistic youth
OBJECTIVE: It has been suggested that the sequelae of trauma are under-recognized in youth on the autism spectrum. We aimed to generate expert consensus regarding important trauma indicators, including but not limited to traumatic stress symptoms, in autistic youth. METHODS: We recruited 72 experts in autism and/or childhood trauma. Via a 2-round Delphi survey, experts commented on and rated the importance of 48 potential indicators, drawn from P…
Psychometric properties of the Childhood Adversity and Social Stress Questionnaire, Parent Report (CASSQ-PR), a measure tailored to assess stressful experiences and traumatic stress symptoms in autist…
The CASSQ-PR offers a valid estimate of SE and TSS as observed by parents in verbally communicative, school-age autistic youth; however, further research with more sociodemographically diverse and clinical samples is warranted. (PsycInfo Database Record (c) 2026 APA, all rights reserved)
Medicine (15 obras) · Autism (9 obras) · Biology (6 obras) · Demography (6 obras) · Psychiatry (6 obras) · Autism Spectrum Disorder Research (5 obras) · Environmental health (5 obras) · Internal Medicine (5 obras) · Logistic regression (5 obras) · Population (5 obras)