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Peter J. Schulz

Ewha Womans University · Health Professions

About the Lab

Professor Peter J. Schulz's research lab focuses on psychosocial factors influencing health outcomes, with a particular emphasis on stress reactivity, chronic stress, and their physiological correlates such as cortisol regulation. The lab investigates health literacy, patient empowerment, and the effectiveness of visual and multimedia interventions in improving health comprehension and medication adherence. Central themes include the doctor-patient relationship, patient-reported outcomes, and the impact of psychological factors on physical health.

chronic stresshealth literacystress reactivitycortisol regulationpatient empowerment

Research Overview

Papers
400
Total Citations
16,018
Papers (5y)
84
Primary Field
Health Professions

Research Output Trend

Figures are computed from collected data and may differ slightly.

Publications per year (5y)
84total
2021
2022
2023
2024
2025
Citations per year (5y)
1,574total
20212022202320242025

Selected Papers

15
1
Review|544 citations·2017
Is patient empowerment the key to promote adherence? A systematic review of the relationship between self-efficacy, health locus of control and medication adherence
Lilla Náfrádi, Kent Nakamoto, Peter J. Schulz
SJR Q1PLoS ONEOA

BACKGROUND: Current health policies emphasize the need for an equitable doctor-patient relationship, and this requires a certain level of patient empowerment. However, a systematic review of the empirical evidence on how empowerment affects medication adherence-the extent to which patients follow the physician's prescription of medication intake-is still missing. The goal of this systematic review is to sum up current state-of-the-art knowledge concerning the relationship between patient empower

Family PracticeMedicine
2
Review|474 citations·2012
Health literacy and patient empowerment in health communication: The importance of separating conjoined twins
Peter J. Schulz, Kent Nakamoto
SJR Q1Patient Education and Counseling
General Health ProfessionsHealth Professions
3
Article|382 citations·1998
Increased free cortisol secretion after awakening in chronically stressed individuals due to work overload
Peter J. Schulz, Clemens Kirschbaum, Jens C. Prüssner, Dirk H. Hellhammer
Stress Medicine

The present study investigated the association between chronic stress and cortisol changes during the first hour after awakening in the morning. According to results of a pilot study, it was hypothesized that chronically stressed subjects would show a more enhanced and prolonged increase of cortisol level after awakening compared to non-stressed subjects. In 100 subjects, chronic stress was assessed twice with a 1-week interval between measures and cortisol was repeatedly measured during the fir

Behavioral NeuroscienceNeuroscience
4
Article|334 citations·1999
Trierer Inventar zur Erfassung von chronischem Streß (TICS): Skalenkonstruktion, teststatistische Überprüfung und Validierung der Skala Arbeitsüberlastung
Peter J. Schulz, Wolff Schlotz
SJR Q3Diagnostica

Zusammenfassung. Angeregt durch Befunde der Streßforschung, wonach chronischer Streß und nicht akute Belastungen mit klinisch relevanten Beeinträchtigungen der Gesundheit in Zusammenhang steht, wurde das Trierer Inventar zur Erfassung von chronischem Streß (TICS) entwickelt. Der Fragebogen erfaßt sechs Aspekte von chronischem Streß: Arbeitsüberlastung, Arbeitsunzufriedenheit, soziale Belastung, Fehlen sozialer Anerkennung, Sorgen/Besorgnis und belastende Erinnerungen. Die Chronizität der Belastu

General Health ProfessionsHealth Professions
5
Article|168 citations·2004
Trierer Inventar zum Chronischen Stress (TICS) [Trier Inventory for Chronic Stress (TICS)]
Peter J. Schulz, Wolff Schlotz, Peter Becker
ePrints Soton (University of Southampton)
General Health ProfessionsHealth Professions
6
Review|119 citations·2024
The effectiveness of visual-based interventions on health literacy in health care: a systematic review and meta-analysis
Elisa Galmarini, Laura Marciano, Peter J. Schulz
SJR Q1BMC Health Services ResearchOA

BACKGROUND: Limited Health Literacy (HL) is an obstacle to accessing and receiving optimal health care and negatively impacts patients' quality of life, thus making it an urgent issue in the health care system. Visual-based interventions are a promising strategy to improve HL through the use of visual aids and pictorial materials to explain health-related concepts. However, a comprehensive summary of the literature on the topic is still scarce. METHODS: To fill this gap, we carried out a systema

General Health ProfessionsHealth Professions
7
Article|85 citations·2013
Patient behavior and the benefits of artificial intelligence: The perils of “dangerous” literacy and illusory patient empowerment
Peter J. Schulz, Kent Nakamoto
SJR Q1Patient Education and Counseling
General Health ProfessionsHealth Professions
8
Article|85 citations·1998
Highly variable distribution of HSV-1-specific DNA in human geniculate, vestibular and spiral ganglia
Peter J. Schulz, Viktor Arbusow, Michael Strupp, Marianne Dieterich, Elisabeth Rauch, Thomas Brandt
SJR Q2Neuroscience Letters
NeurologyMedicine
9
Article|84 citations·2005
Stressreaktivität: Theoretisches Konzept und Messung
Peter J. Schulz, Lars J. Jansen, Wolff Schlotz
SJR Q3Diagnostica

Zusammenfassung. Das Konstrukt Stressreaktivität bezieht sich auf die Disposition einer Person, Belastungen mit schnellen, intensiven und lang andauernden Stressreaktionen zu beantworten. Als Determinanten der Stressreaktivität werden ungünstige Ausprägungen von vier Personmerkmalen angenommen: hohe Besorgnisneigung, negatives Selbstkonzept eigener Fähigkeiten, hohe Erregbarkeit des ZNS und hohe Negative Affektivität. Die hier vorzustellende Stress-Reaktivitäts-Skala (SRS) erhebt neben der gener

Behavioral NeuroscienceNeuroscience
10
Article|82 citations·2020
Effects of Objective and Subjective Health Literacy on Patients’ Accurate Judgment of Health Information and Decision-Making Ability: Survey Study
Peter J. Schulz, Annalisa Pessina, Uwe Hartung, Serena Petrocchi
SJR Q1Journal of Medical Internet ResearchOA

BACKGROUND: Interpreting health information and acquiring health knowledge have become more important with the accumulation of scientific medical knowledge and ideals of patient autonomy. Health literacy and its tremendous success as a concept can be considered an admission that not all is well in the distribution of health knowledge. The internet makes health information much more easily accessible than ever, but it introduces its own problems, of which health disinformation is a major one. OBJ

General Health ProfessionsHealth Professions
11
Review|71 citations·2022
The perils of misinformation: when health literacy goes awry
Peter J. Schulz, Kent Nakamoto
SJR Q1Nature Reviews NephrologyOA
General Health ProfessionsHealth Professions
12
Article|62 citations·2006
More than nation and knowledge: Cultural micro-diversity and organ donation in Switzerland
Peter J. Schulz, Kent Nakamoto, David Brinberg, Joachim Haes
SJR Q1Patient Education and Counseling
Public Health, Environmental and Occupational HealthMedicine
13
Article|50 citations·2017
Effects of eHealth Literacy on General Practitioner Consultations: A Mediation Analysis
Peter J. Schulz, Mary Anne Fitzpatrick, Alexandra Claudia Hess, Lynn Sudbury‐Riley, Uwe Hartung
SJR Q1Journal of Medical Internet ResearchOA

The indirect paths from health literacy via information seeking and empowerment to GP consultations can be interpreted as a dynamic process and an expression of the ability to find, process, and understand relevant information when that is necessary.

General Health ProfessionsHealth Professions
14
Article|49 citations·1988
Sequence of a cDNA clone encompassing the complete mature human Prostate Specific Antigen (PSA) and an unspliced leader sequence
Peter J. Schulz, Rolf Stucka, Horst Feldmann, Gabriele Combriato, H.‐Gustav Klobeck, F. Fittler
SJR Q1Nucleic Acids ResearchOA
SurgeryMedicine
15
Article|47 citations·2013
Do participation and personalization matter? A model-driven evaluation of an Internet-based patient education intervention for fibromyalgia patients
Luca Camerini, Anne-Linda Camerini, Peter J. Schulz, Peter J. Schulz
SJR Q1Patient Education and Counseling
Psychiatry and Mental healthMedicine

Research Areas

General Health ProfessionsSociology and Political ScienceHealthSocial PsychologyPharmacologyPublic Health, Environmental and Occupational Health

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