Christopher N. Kaufmann

ORCID: 0000-0002-2946-7857
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About
Contact & Profiles
Research Areas
  • Sleep and related disorders
  • Sleep and Wakefulness Research
  • Health disparities and outcomes
  • Sleep and Work-Related Fatigue
  • Bipolar Disorder and Treatment
  • Dementia and Cognitive Impairment Research
  • Schizophrenia research and treatment
  • Cannabis and Cannabinoid Research
  • Mental Health Research Topics
  • Substance Abuse Treatment and Outcomes
  • Frailty in Older Adults
  • Homelessness and Social Issues
  • Pharmaceutical Practices and Patient Outcomes
  • Aging and Gerontology Research
  • Obesity, Physical Activity, Diet
  • Physical Activity and Health
  • Nutrition and Health in Aging
  • Urban Transport and Accessibility
  • Obstructive Sleep Apnea Research
  • Youth Substance Use and School Attendance
  • Suicide and Self-Harm Studies
  • Health, Environment, Cognitive Aging
  • Tryptophan and brain disorders
  • Blood Pressure and Hypertension Studies
  • Attention Deficit Hyperactivity Disorder

University of Florida Health
2023-2025

University of Florida
2021-2024

Institute on Aging
2016-2024

Florida College
2021-2024

University of California, San Diego
2015-2022

VA San Diego Healthcare System
2016-2020

Johns Hopkins University
2011-2017

Columbia University
2013

Center for Autism and Related Disorders
2012

Ludwig Boltzmann Institute for Experimental and Clinical Traumatology
1995

Studies of aging usually focus on trajectories physical and cognitive function, with far less emphasis overall mental health, despite its impact general health mortality. This study examined linear nonlinear trends physical, cognitive, over the entire adult lifespan.Cross-sectional data were obtained from 1,546 individuals aged 21-100 years, selected using random digit dialing for Successful AGing Evaluation (SAGE) study, a structured multicohort investigation that included telephone...

10.4088/jcp.16m10671 article EN The Journal of Clinical Psychiatry 2016-08-23

The study explored mental health service use patterns and barriers to care among individuals with comorbid substance disorders.Using data from the National Survey on Drug Use Health (2005-2010) for 18,972 adults past-year major depressive episodes, compared perceived participants without co-occurring alcohol dependence, nonalcohol drug both dependence.Compared dependence or used more services of all types, only medication treatments. Participants were significantly likely than those report...

10.1176/appi.ps.201200289 article EN Psychiatric Services 2013-06-03

Abstract Purpose Non‐benzodiazepine receptor agonists (nBZRAs) were developed as an alternative to benzodiazepines (BZDs) treat insomnia. Little is known about how the introduction of nBZRAs influenced trends in BZD prescribing. We examined and nBZRA prescribing from 1993 2010. Methods used National Ambulatory Medical Care Survey examine 516,118 patient visits between categorized BZD, nBZRA, or + based on medications prescribed each visit applied linear probability regression models assess...

10.1002/pds.3951 article EN Pharmacoepidemiology and Drug Safety 2015-12-29

Objectives: We examined the association between alcohol use, at-risk drinking, and binge loneliness in a sample of middle-aged older adults. Method: studied participants aged 50+ years from 2008 wave Health Retirement Study who reported use. ran separate multinomial logistic regressions to assess three use outcomes (i.e., weekly consumption, drinking) loneliness. Results: After adjusting for covariates, being lonely was associated with reduced odds consumption 4 7 days per week, but not 1 3...

10.1177/0898264315589579 article EN Journal of Aging and Health 2015-06-16

Objectives.We studied the association between insomnia symptoms and late-life functioning, including physical capacity, limitations in household activities, participation valued activities.

10.1093/geronb/gbu116 article EN The Journals of Gerontology Series B 2014-10-23

Clinical guidelines suggest that benzodiazepines (BZDs) and non-BZD hypnotics (NBHs) be used on a short-term basis. The authors examined trends in long-term BZD NBH use from 1999 to 2014.Data included 82,091 respondents the 1999-2014 waves of National Health Nutrition Examination Survey (NHANES). NHANES recorded medications past 30 days basis prescription bottles, participants reported duration. were categorized as short, medium, long term, time assessed.BZD increased 2014, driven by...

10.1176/appi.ps.201700095 article EN Psychiatric Services 2017-11-01

Little is known regarding the temporal trends in prescriptions, nonmedical use, and emergency department (ED) visits involving prescription stimulants United States. Our aim was to examine these 3 national dextroamphetamine-amphetamine methylphenidate adults adolescents.

10.4088/jcp.14m09291 article EN The Journal of Clinical Psychiatry 2016-02-12

BACKGROUND/OBJECTIVES Use of cannabis is increasing in a variety populations the United States; however, few investigations about how and for what reasons used older exist. DESIGN Anonymous survey. SETTING Geriatrics clinic. PARTICIPANTS A total 568 adults 65 years older. INTERVENTION Not applicable. MEASUREMENTS Survey assessing characteristics use. RESULTS Approximately 15% (N = 83) survey responders reported using within past 3 years. Half (53%) regularly on daily or weekly basis,...

10.1111/jgs.16833 article EN Journal of the American Geriatrics Society 2020-10-07

Complaints of poor sleep are common among older adults. We investigated the prospective association between insomnia symptoms and hospitalization, use home health care services, nursing homes, any these services in a population-based study middle-aged studied 14,355 adults aged 55 enrolled 2006 2008 waves Health Retirement Study. Logistic regression was used to (0, 1, or ≥2) reports service utilization 2008, after adjustment for demographic clinical characteristics. Compared with respondents...

10.1093/gerona/glt050 article EN The Journals of Gerontology Series A 2013-05-09

ABSTRACT Background: We determined the association between neighborhood socio-environmental factors and insomnia symptoms in a nationally representative sample of US adults aged >50 years. Methods: Data were analyzed from two waves (2006 2010) Health Retirement Study using 7,231 community-dwelling participants (3,054 men 4,177 women) United States. Primary predictors physical disorder (e.g. vandalism/graffiti, feeling safe alone after dark, cleanliness) social cohesion friendliness...

10.1017/s1041610214001823 article EN cc-by-nc-nd International Psychogeriatrics 2014-09-15

OBJECTIVE: This study aimed to investigate descriptive characteristics and co-occurring neurodevelopmental psychiatric conditions in young children, adolescents with a current consistent or past but not (PBNC) diagnosis of autism spectrum disorder (ASD) how such may engender change an ASD. METHODS: Cross-sectional data 1366 children parent-reported PBNC ASD were obtained from the National Survey Children’s Health 2007 set across 3 developmental stages: (aged 3–5 years), 6–11 12–17 years)....

10.1542/peds.2011-1717 article EN PEDIATRICS 2012-01-24

The Insomnia Severity Index (ISI) is a widely used self-report measure of insomnia symptoms. However, to date this has not been validated or well-characterized in veterans who have experienced traumatic brain injury (TBI). This study assessed the psychometric properties and convergent, divergent, construct, discriminate validity ISI with history TBI.

10.1080/15402002.2016.1266490 article EN Behavioral Sleep Medicine 2017-01-18

Objective Alcohol use in later life has been linked to poor sleep. However, the association between binge drinking, which is common among middle-aged and older adults, insomnia not previously assessed. Methods We studied participants aged 50 years (n = 6027) from 2004 Health Retirement Study who reported number of days they had ≥4 drinks on one occasion prior 3 months. Participants also frequency four symptoms. Logistic regression analyses assessed drinking insomnia. Results Overall, 32.5%...

10.1002/gps.4139 article EN International Journal of Geriatric Psychiatry 2014-05-05

Background: Cannabis use has increased among older adults. Few epidemiological studies have examined the medical diseases reported for cannabis use, routes of administration, and methods consumption adults, how they differ from younger Methods: We analyzed invoice data on purchases products a large dispensary in New York State between January 1, 2016 December 31, 2017. Data came n=11,590 patients stratified by ages 18-49 (n=4,606), 50-64 (n=3,993), ≥65 years (n=2,991). assessed differences...

10.1089/can.2020.0064 article EN Cannabis and Cannabinoid Research 2020-11-05

Background: Research on the patterns of use medical cannabis among cancer patients is lacking. Objective: To describe by with cancer, and how differ from without cancer. Design/Measurements: We performed secondary data analysis using a licensee in New York State, analyzing demographic information, qualifying conditions, symptoms, product used, including tetrahydrocannabinol (THC) to cannabidiol (CBD) ratios. Setting/Subjects: Adults age ≥18 who used State products between January 2016...

10.1089/jpm.2018.0529 article EN Journal of Palliative Medicine 2019-03-26

Abstract Background Growing evidence suggests bidirectional links between gut microbiota and sleep quality as shared contributors to health. Little is known about the relationship among older persons. Methods We used 16S rRNA sequencing characterize stool men (n = 606, mean [standard deviation] age 83.9 [3.8]) enrolled in Osteoporotic Fractures Men (MrOS) study from 2014 2016. Sleep was assessed concurrently by a questionnaire (Pittsburgh Quality index [PSQI]), activity monitor examine...

10.1093/gerona/glad011 article EN public-domain The Journals of Gerontology Series A 2023-01-19

This study investigated the association between previous incarceration and various geriatric chronic health conditions among adults 50 older in United States.

10.1093/gerona/glae084 article EN The Journals of Gerontology Series A 2024-03-22
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