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Introduction <p>The 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.</p> Aim <p>To 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.</p> Methods <p>Longitudinal 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.</p> Results <p>The 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.</p> Conclusion <p>The 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.</p> Clinical trial number <p>Not applicable.</p>

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Sensitivity to change of the COVID-19 anxiety syndrome scale among Canadian dentists

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年10月13日

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  • Rachita Seth,
  • Sreenath. A. Madathil,
  • Walter L. Siqueira,
  • Mary McNally,
  • Carlos R. Quiñonez,
  • Michael Glogauer,
  • Paul. J. Allison

摘要

Introduction

The 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.

Aim

To 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.

Methods

Longitudinal 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.

Results

The 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.

Conclusion

The 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.