Translation and validation of the Greek version of an ageism scale for dental students (ASDS_Gr).
aged
ageism
dental education
gerodontology
scale
validation
Journal
Gerodontology
ISSN: 1741-2358
Titre abrégé: Gerodontology
Pays: England
ID NLM: 8215850
Informations de publication
Date de publication:
Sep 2019
Sep 2019
Historique:
received:
19
01
2019
accepted:
24
02
2019
pubmed:
9
4
2019
medline:
30
10
2019
entrez:
9
4
2019
Statut:
ppublish
Résumé
To describe the validation of a new 27-item ageism scale for dental students in Greece. A new ageism scale for dental students has been developed by American and European Gerodontology educators and was preliminary validated in the United States. The scale was translated into Greek and administered to 8th- and 10th-semester dental students in Athens. Principal components analysis was used to explore the internal structure of the measure; internal consistency reliability was assessed using Cronbach's α coefficient; corrected item-total correlations were calculated to decide which low contributing items should be removed from the scale; and discriminant validity was tested investigating variation in relation to demographic and educational factors. A total of 152 students responded to the questionnaire. The Principal component analysis offered a 15-item scale distributed into four factors that accounted for 56.4%, of the total variance, produced stronger factor loadings, a comparable amount of overall component variance and logical sets of components. The four factors produced were values/ethics about older people (four items, α = 0.71), patient compliance (four items, α = 0.72), barriers to dental care (four items, α = 0.57) and dentist-older patient interaction (three items, α = 0.64). Discriminant validity revealed statistically significant differences in factors and items related to semester of studies, gender and family's permanent residence. The preliminary validation of the Greek version of the ageing scale for dental students revealed a 15-item questionnaire that demonstrated acceptable validity and reliability and could be further tested in larger samples.
Sections du résumé
OBJECTIVES
OBJECTIVE
To describe the validation of a new 27-item ageism scale for dental students in Greece.
BACKGROUND
BACKGROUND
A new ageism scale for dental students has been developed by American and European Gerodontology educators and was preliminary validated in the United States.
METHODS
METHODS
The scale was translated into Greek and administered to 8th- and 10th-semester dental students in Athens. Principal components analysis was used to explore the internal structure of the measure; internal consistency reliability was assessed using Cronbach's α coefficient; corrected item-total correlations were calculated to decide which low contributing items should be removed from the scale; and discriminant validity was tested investigating variation in relation to demographic and educational factors.
RESULTS
RESULTS
A total of 152 students responded to the questionnaire. The Principal component analysis offered a 15-item scale distributed into four factors that accounted for 56.4%, of the total variance, produced stronger factor loadings, a comparable amount of overall component variance and logical sets of components. The four factors produced were values/ethics about older people (four items, α = 0.71), patient compliance (four items, α = 0.72), barriers to dental care (four items, α = 0.57) and dentist-older patient interaction (three items, α = 0.64). Discriminant validity revealed statistically significant differences in factors and items related to semester of studies, gender and family's permanent residence.
CONCLUSION
CONCLUSIONS
The preliminary validation of the Greek version of the ageing scale for dental students revealed a 15-item questionnaire that demonstrated acceptable validity and reliability and could be further tested in larger samples.
Types de publication
Journal Article
Langues
eng
Pagination
251-257Informations de copyright
© 2019 Gerodontology Association and John Wiley & Sons Ltd.
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