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John E. Williams

Ghana Health Service

255 publications · 8,234 citations · ORCID 0000-0002-1353-2685

Global Maternal and Child HealthGender Roles and Identity StudiesMaternal and Perinatal Health InterventionsPain Management and Opioid UseColor perception and design

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How does the longitudinal trajectory of maternal stress and resilience during pregnancy specifically mediate the association between social determinants of health (e.g., socioeconomic status, structural inequality) and infant cognitive or emotional development outcomes?

Why this gap exists: While the retrieved literature confirms associations between socioeconomic disadvantage, maternal stress, and infant neurodevelopment, it does not resolve the specific question of how longitudinal trajectories of maternal stress and resilience mediate these associations, as the studies focus on broad correlations or static measures rather than dynamic mediation pathways.

How do specific policy interventions aimed at improving female education and labor force participation accelerate the 'maternal mortality transition' in regions currently experiencing high maternal mortality?

Why this gap exists: While the retrieved literature establishes links between female education, political power, and health outcomes (e.g., [3], [6], [9]), no study directly addresses how specific labor or education policy interventions accelerate the 'maternal mortality transition' in high-mortality regions, leaving the mechanism and impact of such specific policies unresolved.

What is the comparative effectiveness of telemedicine versus traditional in-person care in maintaining essential antenatal coverage and reducing maternal mortality in low-income and middle-income countries during future health system shocks?

Why this gap exists: While abstracts [4], [7], [8], and [9] discuss digital tools and maternity care in low- and middle-income countries, none provide a direct comparative effectiveness analysis of telemedicine versus in-person care regarding maternal mortality during health system shocks, leaving the specific question unresolved.

Sources

  1. COVID-19 and resilience of healthcare systems in ten countriesNature Medicine, 2022
  2. Community Health Workers Can Provide Psychosocial Support to the People During COVID-19 and Beyond in Low- and Middle- Income CountriesFrontiers in Public Health, 2021
  3. Social Impacts and Responses Related to COVID-19 in Low- and Middle-income CountriesOpenDocs (Institute of Development Studies), 2020
  4. Seizing the moment to rethink health systemsThe Lancet Global Health, 2021
  5. Use of mHealth in promoting maternal and child health in “BIMARU” states of India “A health system strengthening strategy”: Systematic literature reviewPLOS Digital Health, 2024
  6. Investments for effective functionality of health systems towards Universal Health Coverage in Africa: A scoping reviewPLOS Global Public Health, 2022
  7. Infant and young child feedingOECD eBooks, 2023
  8. Facilitators and barriers to the implementation of a Mobile Health Wallet for pregnancy-related health care: A qualitative study of stakeholders’ perceptions in MadagascarPLoS ONE, 2020
  9. The impact of digital interventions on health insurance coverage for reproductive, maternal, newborn and child health services utilization in Kakamega, Kenya: a cluster randomized controlled trialHealth Policy and Planning, 2024
  10. Seeking digital maternity healthcare during the pandemic health system shock: a systematic review of women's experiences in low- and middle-income countriesFrontiers in Reproductive Health, 2026

What are the comparative efficacy and adherence rates of new short-course latent tuberculosis infection (LTBI) regimens versus traditional long-course therapies in high-burden, low-resource settings?

Why this gap exists: While a 2023 network meta-analysis [6] synthesizes general efficacy and adherence data for LTBI regimens, the retrieved evidence lacks direct comparative studies specifically focused on high-burden, low-resource settings, leaving the specific constraints of these environments unresolved.

How does the consumption of plant-based proteins, specifically those high in anti-nutritional factors like phytates and trypsin inhibitors, affect mineral bioavailability and growth outcomes in children relying on these proteins as primary staples?

Why this gap exists: While the retrieved papers confirm that anti-nutritional factors like phytates and trypsin inhibitors reduce mineral bioavailability [0, 2], they focus on general adult health or crop improvement [1, 6] and do not provide direct evidence on the specific growth outcomes in children relying on these proteins as primary staples.

Publications

Knowledge, Acceptance, and Uptake of Family Planning: A Cluster Randomized Controlled Trial of Group Antenatal Care in Ghana

International Journal of Environmental Research and Public Health · 2024 · 5 citations

Ex-Vivo Lung Perfusion: National Trends and Post-Transplant Outcomes

The Journal of Heart and Lung Transplantation · 2024

The Pancreas and Me

2023 · corresponding author · 1 citations

COVID‐19 is increasing Ghanaian pregnant women’s anxiety and reducing healthcare seeking

International Journal of Gynecology & Obstetrics · 2020 · 35 citations

Pharmacotherapy of Autism Spectrum Disorder: Results from the Randomized <scp>BAART</scp> Clinical Trial

Pharmacotherapy The Journal of Human Pharmacology and Drug Therapy · 2019 · 55 citations

Military Prehospital Use of Low Titer Group O Whole Blood

Journal of Special Operations Medicine · 2018 · 11 citations

Interpretive reliability of two common MMPI-2 profiles

Cogent Psychology · 2016 · 4 citations

Morphine or Oxycodone for Cancer-Related Pain? A Randomized, Open-Label, Controlled Trial

Journal of Pain and Symptom Management · 2014 · 74 citations

Quality of antenatal and childbirth care in northern <scp>G</scp>hana

BJOG An International Journal of Obstetrics & Gynaecology · 2014 · 24 citations

Diagnostic reliability of MMPI-2 computer-based test interpretations.

Psychological Assessment · 2014 · 8 citations

Guideline: the laboratory diagnosis of malaria

British Journal of Haematology · 2013 · 102 citations

Infant nutrition in the first seven days of life in rural northern Ghana

BMC Pregnancy and Childbirth · 2012 · 98 citations

The Long‐Term Fertility Impact of the Navrongo Project in Northern Ghana

Studies in Family Planning · 2012 · 66 citations

Cognitive Second Language Acquisition: Overview

The Encyclopedia of Applied Linguistics · 2012 · 1 citations

Stillbirths and early neonatal mortality in rural Northern Ghana

Tropical Medicine & International Health · 2011 · 83 citations

The Prevalence of Pain in Patients Attending Sarcoma Outpatient Clinics

Sarcoma · 2011 · corresponding author · 33 citations

Ethical issues in psychological research on the Internet.

American Psychological Association eBooks · 2010 · 36 citations

134 SYSTEMATIC REVIEW OF THE EFFICACY OF PHARMACOLOGICAL TREATMENTS FOR POST HERPETIC NEURALGIA

European Journal of Pain Supplements · 2010 · corresponding author

Using the DELPHI Method to Collect Feedback on Student's Perceptions of Teaching Quality

UNI ScholarWorks (University of Northern Iowa) · 2009 · 1 citations

Transactions of the Royal Society of Tropical Medicine and Hygiene · 2009 · corresponding author

Fever of unknown origin

Clinical Medicine · 2008 · 20 citations

Maternal Mortality Decline in the Kassena-Nankana District of Northern Ghana

Maternal and Child Health Journal · 2007 · 51 citations

Internet-Based Research

PsycEXTRA Dataset · 2007 · corresponding author · 5 citations

Transactions of the Royal Society of Tropical Medicine and Hygiene · 2007 · corresponding author

STP Internet Resources

PsycEXTRA Dataset · 2007 · corresponding author

Body Influence Assessment Inventory

PsycTESTS Dataset · 2006

Acute pain management in patients receiving opioids for chronic and cancer pain

Continuing Education in Anaesthesia Critical Care & Pain · 2005 · corresponding author · 27 citations

A Retrospective Look at The Journal of Developmental and Behavioral Pediatrics

Journal of Developmental & Behavioral Pediatrics · 2005

The true cost of tobacco usage in the USA

Tobacco Induced Diseases · 2005

Equivalence of standard and computerized versions of the Raven Progressive Matrices Test

Computers in Human Behavior · 2004 · corresponding author · 74 citations

NEXT Ion Optics Simulation via ffx

39th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit · 2003 · 28 citations

EAU Guidelines on Pain Management

European Urology · 2003 · 17 citations

RESEARCH: Protestants' Images of Self, God, and Satan as Seen in Adjective Check List Descriptions

International Journal for the Psychology of Religion · 2003 · 13 citations

Establishing a Cancer Pain Clinic in a Developing Country

Journal of Pain and Symptom Management · 2001 · 5 citations

Psychology experiments

TechTrends · 2001 · 4 citations

The Integrity of Web-Delivered Experiments: Can You Trust the Data?

Psychological Science · 2000 · 193 citations

Gabapentin, an Adjuvant Treatment for Neuropathic Pain in a Cancer Hospital

Journal of Pain and Symptom Management · 2000 · 27 citations

PsychExps

Elsevier eBooks · 2000 · 14 citations

Measured Energy Expenditure of Tube-Fed Patients with Severe Neurodevelopmental Disabilities

Journal of the American College of Nutrition · 1999 · 31 citations

Undergraduate labs and computers: The case for PsychExps

Behavior Research Methods, Instruments, & Computers · 1999 · corresponding author · 13 citations

PsychExps: A Web-based Cognitive Psychology Laboratory

World Conference on WWW and Internet · 1999 · 4 citations

Data Integrity and Web-based Experiments in Cognitive Psychology

World Conference on WWW and Internet · 1999 · 2 citations

PsychExps: A Resource for Instruction in Psychology

World Conference on WWW and Internet · 1999

Diagnostic Medical Parasitology

Parasitology Today · 1998 · corresponding author · 111 citations

COLOR BIAS IN CHILDREN REVISITED: FINDINGS FROM PORTUGAL

Social Behavior and Personality An International Journal · 1997 · 11 citations

Methods and Data Analysis for Cross Cultural Research: F. van de Vijver and K. Leung

Journal of Multilingual and Multicultural Development · 1997 · corresponding author

A 'Big Five' Scoring System for the Item Pool of the Adjective Check List

Journal of Personality Assessment · 1995 · 26 citations

Cross‐cultural Variation in the Importance of Psychological Characteristics: A Seven‐country Study

International Journal of Psychology · 1995 · corresponding author · 14 citations

A Micro-Market Analysis of Tenure Choice Using The Logit Model

Journal of Real Estate Research · 1991 · 21 citations

Portuguese Children's Knowledge of Sex Stereotypes

Journal of Cross-Cultural Psychology · 1991 · 14 citations

Gender (In) Equality

Contemporary Psychology · 1991 · corresponding author

Application of a capture enzyme immunoassay in an outbreak of waterborne giardiasis in the United Kingdom

European Journal of Clinical Microbiology & Infectious Diseases · 1990 · 9 citations

Modern chemistry : section reviews

Holt, Rinehart and Winston eBooks · 1990

Sex stereotypes in Norway revisited: 1977–87

Scandinavian Journal of Psychology · 1989 · 11 citations

Guidelines for Physicians

1987 · corresponding author · 12 citations

Absent Right Pulmonary Artery Flow in a Young Man

Investigative Radiology · 1985 · 2 citations

False Positive Ultrasonic Cholecystogram Caused by Hepatic Granuloma

Journal of Clinical Ultrasound · 1985 · corresponding author

Exploring the Roots of Apathy

Journal of Developmental & Behavioral Pediatrics · 1983 · 3 citations

Developmental-Behavioral Pediatrics 1983—Selected Reflections

Journal of Developmental & Behavioral Pediatrics · 1983

Measuring Sex Stereotypes: A Multination Study

Medical Entomology and Zoology · 1982 · 629 citations

Measuring sex stereotypes : a thirty-nation study

1982 · 488 citations

A zymodeme study of Entamoeba histolytica in a group of South African schoolchildren

Transactions of the Royal Society of Tropical Medicine and Hygiene · 1982 · 36 citations

A Psychological Needs Analysis of Male and Female Sex Trait Stereotypes in Malaysia

International Journal of Psychology · 1982 · 4 citations

Comments from the Editors

Journal of Developmental & Behavioral Pediatrics · 1982 · 2 citations

The learning-disabled child.

PubMed · 1982 · 2 citations

Traits Associated with Men and Women

Journal of Cross-Cultural Psychology · 1981 · 10 citations

Discussion

Plastic & Reconstructive Surgery · 1981 · 8 citations

The Assessment of Transactional Analysis Ego States Via the Adjective Checklist

Journal of Personality Assessment · 1980 · 61 citations

Electrophoretic studies of the hexokinase of Entamoeba histolytica groups I to IV

Transactions of the Royal Society of Tropical Medicine and Hygiene · 1980 · 25 citations

Sex-trait stereotypes among young children and young adults: Canadian findings and cross-national comparisons.

Canadian Journal of Behavioural Science/Revue canadienne des sciences du comportement · 1980 · 3 citations

Sex-Trait Stereotypes in France, Germany, and Norway

Journal of Cross-Cultural Psychology · 1979 · 31 citations

Medical students' descriptions of self and ideal physician

Social Science & Medicine Part A Medical Sociology · 1979 · 3 citations

The differentiation of invasive and non-invasive Entamoeba histolytica by isoenzyme electrophoresis

Transactions of the Royal Society of Tropical Medicine and Hygiene · 1978 · 349 citations

Color Bias among Young Japanese Children

Journal of Cross-Cultural Psychology · 1978 · 43 citations

Women Law Students’ Descriptions of Self and the Ideal Lawyer

Psychology of Women Quarterly · 1978 · 10 citations

Race, Color and the Young Child.

Social Forces · 1977 · 149 citations

Sex Stereotypes and Trait Favorability on the Adjective Check List

Educational and Psychological Measurement · 1977 · 90 citations

Sex‐trait stereotypes in England, Ireland and the United States

British Journal of Social and Clinical Psychology · 1977 · corresponding author · 38 citations

Sex Stereotypes and Transactional Analysis Theory

Transactional Analysis Bulletin · 1977 · 6 citations