Publications by authors named "Dimitris Niakas"

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Patient Satisfaction Measurement: A Comparison of Likert and Item-Specific Response Options Scales.
Vassilis Aletras, Stavros Chatzopoulos, Maria Kalouda, Dimitris Niakas, Angeliki Flokou

Healthcare (Basel)· November 2025

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The Greek Versions of the HLS Health Literacy Instruments (HLS-NAV-GR, HLS-COM-GR, and HLS-VAC-GR): Translation, Cultural Adaptation, and Descriptive Pilot Evaluation.
Angeliki Flokou, Panagiotis Theodorou, Dimitris A Niakas, Petros Kostagiolas

Healthcare (Basel)· October 2025

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Visual Acuity Screening of Refugees and Immigrants with a Web-Based Digital Test: A Pilot Study.
Minas Bakirtzis, Eirini Michaleakou, Maria-Eleni Martidou, Eleni Lahana, Petros Kostagiolas, Dimitris Niakas

Acta Medica (Hradec Kralove)· February 2025

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Efficiency of Primary Health Services in the Greek Public Sector: Evidence from Bootstrapped DEA/FDH Estimators.
Angeliki Flokou, Vassilis H Aletras, Chrysovalantis Miltiadis, Dimitris Charalambos Karaferis, Dimitris A Niakas

Healthcare (Basel)· November 2024

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Valuing Outpatients' Perspective on Primary Health Care Services in Greece: A Cross-Sectional Survey on Satisfaction and Personal-Centered Care.
Dimitris Charalambos Karaferis, Dimitris A Niakas, Dimitra Balaska, Angeliki Flokou

Healthcare (Basel)· July 2024

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Exploring Quality of Life and Mortality in Pertrochanteric Fragility Hip Fractures in Northern Greece: A Single Tertiary Center Study.
Panagiotis Konstantinou, Lazaros Kostretzis, Georgios Fragkiadakis, Panagiota Touchtidou, Argyrios Mavrovouniotis, Dimitris Niakas

J Clin Med· April 2024

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Does Old Age Comprise Distinct Subphases? Evidence from an Analysis of the Relationship between Age and Activities of Daily Living, Comorbidities, and Geriatric Syndromes.
Ioannis Vrettos, Fotios Anagnostopoulos, Panagiota Voukelatou, Andreas Kyvetos, Despoina Theotoka, Dimitris Niakas

Ann Geriatr Med Res· March 2024

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Exploring Inpatients' Perspective: A Cross-Sectional Survey on Satisfaction and Experiences in Greek Hospitals.
Dimitris Charalambos Karaferis, Dimitris A Niakas

Healthcare (Basel)· March 2024

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The Effect of Nudging on Compliance with Individual Prevention Measures against COVID-19: An Online Experiment on Greek University Students.
Ioannis Emmanouil, Manolis Diamantis, Dimitris Niakas, Vassilis Aletras

Int J Environ Res Public Health· December 2023

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The role of frailty among the predictors of depression on informal caregivers of older adults: a mediation analysis.
Ioannis Vrettos, Panagiota Voukelatou, Andreas Kyvetos, Konstantinos Makrilakis, Petros P Sfikakis, Dimitris Niakas

Psychogeriatrics· November 2023

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Factors Affecting Caregivers' Burden in a Sample of Greek Family Caregivers Caring for Older Adults.
Ioannis Vrettos, Panagiota Voukelatou, Stefani Panayiotou, Andreas Kyvetos, Anastasios Nikas, Dimitris Niakas

J Gerontol Soc Work· July 2023

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Health-Related Quality of Life and Life Satisfaction in a Greek Refugee Accommodation Center.
Thomas D Plakas, Vassilis H Aletras, Eirini I Voutsa, Dimitris Niakas

Cureus· July 2023

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Job satisfaction of primary healthcare professionals: a cross-sectional survey in Greece.
Dimitris Karaferis, Vassilis Aletras, Dimitris Niakas

Acta Biomed· June 2023

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Factors associated with health-related quality of life of informal caregivers of older patients and the mediating role of subjective caregivers' burden.
Ioannis Vrettos, Fotios Anagnostopoulos, Panagiota Voukelatou, Stefani Panayiotou, Andreas Kyvetos, Dimitris Niakas

Psychogeriatrics· March 2023

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Correction: Determining dimensions of job satisfaction in healthcare using factor analysis.
Dimitris Karaferis, Vassilis Aletras, Dimitris Niakas

BMC Psychol· December 2022

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Long-Term Effect on Health-Related Quality of Life in Patients With COVID-19 Requiring Hospitalization Compared to Non-hospitalized COVID-19 Patients and Healthy Controls.
Emmanouil Koullias, Georgios Fragkiadakis, Maria Papavdi, Georgia Manousopoulou, Triantafyllia Karamani, Dimitris Niakas

Cureus· November 2022

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Job satisfaction and associated factors in Greek public hospitals.
Dimitris Karaferis, Vassilis Aletras, Dimitris Niakas

Acta Biomed· October 2022

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Determining dimensions of job satisfaction in healthcare using factor analysis.
Dimitris Karaferis, Vassilis Aletras, Dimitris Niakas

BMC Psychol· October 2022

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Factors Influencing Motivation and Work Engagement of Healthcare Professionals.
Dimitris Karaferis, Vassilis Aletras, Maria Raikou, Dimitris Niakas

Mater Sociomed· September 2022

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Health services utilization and its determinants in the context of recession: evidence from Greece.
Chrysoula Beletsioti, Dimitris Niakas

J Public Health (Oxf)· June 2022

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The Indirect Effect of the Frailty of Dependent Elderly People Needing Hospitalization on Their Informal Caregivers' Anxiety.
Ioannis Vrettos, Fotios Anagnostopoulos, Panagiota Voukelatou, Stefani Panayiotou, Andreas Kyvetos, Dimitris Niakas

Cureus· May 2022

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Factors Associated With Mortality in Elderly Hospitalized Patients at Admission.
Ioannis Vrettos, Panagiota Voukelatou, Stefani Panayiotou, Andreas Kyvetos, Alexandra Tsigkri, Dimitris Niakas

Cureus· February 2022

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Gender Differences in Health-Related Quality of Life (HRQL) of Overweight and Obese Adults in a Representative Sample of Greek Urban Population.
Ioannis Vrettos, Panagiota Voukelatou, Evelina Pappa, Chrysoula Beletsioti, Dimitris Niakas

Iran J Public Health· October 2021

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Validation of the revised 9-scale clinical frailty scale (CFS) in Greek language.
Ioannis Vrettos, Panagiota Voukelatou, Stefani Panayiotou, Andreas Kyvetos, Andreas Kalliakmanis, Dimitris Niakas

BMC Geriatr· June 2021

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Increased Body Mass Index and Hypertension: An Unbreakable Bond.
Ioannis Vrettos, Panagiota Voukelatou, Evelina Pappa, Chrysoula Beletsioti, Angelos Papadopoulos, Dimitris Niakas

Int J Prev Med· September 2020

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