ArticleBMC psychology2025
Sensitivity to change of the COVID-19 anxiety syndrome scale among Canadian dentists.
Article in BMC psychology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionThe COVID-19 Anxiety Syndrome Scale (C-19ASS) is valid and reliable instrument to measure COVID-19 related anxiety in Canadian dentists. There is a need to further validate the C-19ASS by evaluating its sensitivity to change over time.
aimTo estimate the sensitivity to change over time of the C-19ASS in a sample of Canadian dentists. To estimate the effect of age, sex, practice type and vaccination on the anxiety levels of dentists in Canada.
methodsLongitudinal data were used from a prospective cohort study conducted to estimate the incidence of COVID-19 among dentists practising in Canada. Mixed effects ordinal logistic regression models were used to estimate the association between total C-19ASS scores and follow-up time in the study and COVID-19 case counts in the province of practice of the participants during the 14 days prior to completing the C-19ASS questionnaire. Mixed effects models were utilized to identify the factors associated with COVID-19 related anxiety.
resultsThe odds of being in a more severe category of anxiety were reduced by 26% (OR 0.74, 95% C.I. 0.72-0.76) with every 30-day increase in the follow-up time. The odds of being in a more severe category of anxiety increased by 20% (Odds Ratio = 1.20, 95% C.I. = 1.12-1.27) with each 10,000 COVID-19 case increase in the dentists' work province during the 14 days prior to data collection. Age, sex and practice type were significantly associated with COVID-19 related anxiety in dentists.
conclusionThe C-19ASS is sensitive to change over time and with external anxiety stimuli. COVID-19 related anxiety among dentists was associated with age, sex and practice type. CLINICAL TRIAL NUMBER: Not applicable.
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