Factorial validity, reliability, measurement invariance and the graded response model for the COVID-19 Anxiety Scale in a sample of Ecuadorians

R Moreta-Herrera… - OMEGA-Journal of …, 2025 - journals.sagepub.com
The aims of the research are to evaluate the factorial validity, internal consistency,
measurement invariance, discrimination, and difficulty of the Covid-19 Anxiety Scale (CAS) …

Psychometric properties of the Coronavirus Anxiety Scale based on Classical Test Theory (CTT) and Item Response Theory (IRT) models among Chinese front-line …

D Zhang, C Wang, T Yuan, X Li, L Yang, A Huang, J Li… - BMC psychology, 2023 - Springer
Abstract Background Since March 2022, the COVID-19 epidemic has rebounded widely and
frequently in China. Healthcare workers have faced grand challenges such as soaring …

“Pandemic fatigue” in South America: a multi-center report from Argentina, Bolivia, Paraguay, Peru, and Uruguay

J Torales, I González-Urbieta, I Barrios… - Brain Sciences, 2023 - mdpi.com
The COVID-19 pandemic has had a heavy impact on daily life, leading to physical and
psychosocial consequences. Nowadays, clinicians and health researchers are particularly …

Socioeconomic background and self-reported sleep quality in older adults during the COVID-19 pandemic: An analysis of the English longitudinal study of ageing …

AN Collinge, PA Bath - … Journal of Environmental Research and Public …, 2023 - mdpi.com
The COVID-19 pandemic negatively impacted sleep quality. However, research regarding
older adults' sleep quality during the pandemic has been limited. This study examined the …

Influence of codiagnosis of chronic fatigue syndrome and habitual physical exercise on the psychological status and quality of life of patients with fibromyalgia

MD Hinchado, E Otero, MC Navarro… - Journal of Clinical …, 2022 - mdpi.com
Fibromyalgia (FM) and Chronic Fatigue Syndrome (CFS) are two diseases that are
frequently codiagnosed and present many similarities, such as poor tolerance to physical …

Measurement of risk factors associated with bereavement severity and deterioration by COVID-19: A Spanish validation study of the Pandemic Grief Risk Factors

T Caycho-Rodríguez, SA Lee… - OMEGA-Journal of …, 2022 - journals.sagepub.com
The present study translated and evaluated the psychometric evidence of the Pandemic
Grief Risk Factors (PGRF) in a sample of 363 people from the general population of Peru …

Influence of Chronic Fatigue Syndrome Codiagnosis on the Relationship between Perceived and Objective Psychoneuro-Immunoendocrine Disorders in Women with …

E Otero, I Gálvez, E Ortega, MD Hinchado - Biomedicines, 2023 - mdpi.com
Although the predominant symptom in fibromyalgia (FM) is muscle pain, and fatigue in
chronic fatigue syndrome (CFS), differential diagnosis is very difficult. This research …

Leadcare® II comparison with graphite furnace atomic absorption spectrophotometry for blood lead measurement in Peruvian highlands

J Rosales-Rimache, M Chavez-Ruiz… - Indian Journal of Clinical …, 2023 - Springer
Peru is one of the countries with the highest lead contamination in the world. Biological
monitoring has limitations due to the shortage of laboratories with validated methodologies …

Effects of vaccination against COVID-19 on the emotional health of Peruvian older adults

CA Alarcon-Ruiz, Z Romero-Albino, P Soto-Becerra… - medRxiv, 2022 - medrxiv.org
Background COVID-19 vaccination may reduce anxiety and depression. However, the
pandemic significantly impacted the elderly from low-middle-income countries. Therefore …

What changes the travel pattern: A national survey on the impacts of the COVID-19 pandemic on older adults' public transportation usage

EE Etu, K Sureshbabu, S Summerville, A Parmar… - Journal of Transport & …, 2023 - Elsevier
Introduction The COVID-19 pandemic has significantly affected transportation habits and
preferences, particularly among older adults. This study aimed to investigate the impact of …