Validity and Reliability of a Brief Scale of Intention to Vaccinate Against COVID-19 in a Peruvian Sample
Objective: This study aimed to analyze the psychometric properties of a brief scale measuring intention to vaccinate against COVID-19 in a Peruvian sample in the context of the current pandemic. Methods: A cross-sectional and instrumental study was carried out. A total of 547 Peruvian citizens selec...
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2022
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| author | Morales Garcia, Wilter Charming Huancahuire Vega, Salomon Saintila, Jacksaint Ruiz Mamani, Percy German |
| author_browse | Huancahuire Vega, Salomon Morales Garcia, Wilter Charming Ruiz Mamani, Percy German Saintila, Jacksaint |
| author_facet | Morales Garcia, Wilter Charming Huancahuire Vega, Salomon Saintila, Jacksaint Ruiz Mamani, Percy German |
| author_sort | Morales Garcia, Wilter Charming |
| collection | Producción científica |
| description | Objective: This study aimed to analyze the psychometric properties of a brief scale measuring intention to vaccinate against COVID-19 in a Peruvian sample in the context of the current pandemic. Methods: A cross-sectional and instrumental study was carried out. A total of 547 Peruvian citizens selected through non-probability convenience sampling participated. Considering existing theories of vaccination hesitancy, 12 items were proposed that evaluate the intention to vaccinate against COVID-19 and the internal structure was evaluated through exploratory and confirmatory factor analysis. Reliability was analyzed with the ordinal alpha coefficient. Results: The exploratory factor analysis yielded a structure of 2 oblique factors that explain 69% of the total variance and the items saturated between 0.52 and 0.97. The confirmatory factor analysis showed that, of 4 models analyzed, the fourth model that was composed of 6 items presented optimal indices of goodness-of-fit ( X 2 = 11.089, P = .197, CFI = 0.999, TLI = 0.999, RMSEA = 0.034 [IC 90%, 0.000-0.077], SRMR = 0.016). Reliability analysis through the ordinal alpha coefficient yielded that the brief scale of intention to vaccinate against COVID-19 has adequate internal consistency (α = .91). Conclusions: The brief scale of intention to vaccinate against COVID-19 presents adequate psychometric properties that demonstrate validity and reliability and can be used in future research and clinical practice. |
| format | Article |
| id | oai:cris.upeu.edu.pe:20.500.15037/672 |
| institution | UPeU |
| language | English |
| publishDate | 2022 |
| publishDateRange | 2022 |
| publishDateSort | 2022 |
| record_format | dspace |
| spelling | oai:cris.upeu.edu.pe:20.500.15037/6722026-11-02T12:57:04ZValidity and Reliability of a Brief Scale of Intention to Vaccinate Against COVID-19 in a Peruvian SampleMorales Garcia, Wilter CharmingHuancahuire Vega, SalomonSaintila, JacksaintRuiz Mamani, Percy GermanValidityreliabilityConfirmatory Factor AnalysisCovid-19Vaccine IntentionObjective: This study aimed to analyze the psychometric properties of a brief scale measuring intention to vaccinate against COVID-19 in a Peruvian sample in the context of the current pandemic. Methods: A cross-sectional and instrumental study was carried out. A total of 547 Peruvian citizens selected through non-probability convenience sampling participated. Considering existing theories of vaccination hesitancy, 12 items were proposed that evaluate the intention to vaccinate against COVID-19 and the internal structure was evaluated through exploratory and confirmatory factor analysis. Reliability was analyzed with the ordinal alpha coefficient. Results: The exploratory factor analysis yielded a structure of 2 oblique factors that explain 69% of the total variance and the items saturated between 0.52 and 0.97. The confirmatory factor analysis showed that, of 4 models analyzed, the fourth model that was composed of 6 items presented optimal indices of goodness-of-fit ( X 2 = 11.089, P = .197, CFI = 0.999, TLI = 0.999, RMSEA = 0.034 [IC 90%, 0.000-0.077], SRMR = 0.016). Reliability analysis through the ordinal alpha coefficient yielded that the brief scale of intention to vaccinate against COVID-19 has adequate internal consistency (α = .91). Conclusions: The brief scale of intention to vaccinate against COVID-19 presents adequate psychometric properties that demonstrate validity and reliability and can be used in future research and clinical practice.Articlehttps://pubmed.ncbi.nlm.nih.gov/35373648https://doi.org/10.1177/21501319221075407PMC898484610.1177/21501319221075407https://hdl.handle.net/20.500.15037/67235373648W4225726170enJournal of Primary Care & Community Health2150-13192150-13272022-01-012026-06-13T09:30:21Z2026-06-13T09:30:21Z |
| spellingShingle | Validity reliability Confirmatory Factor Analysis Covid-19 Vaccine Intention Morales Garcia, Wilter Charming Huancahuire Vega, Salomon Saintila, Jacksaint Ruiz Mamani, Percy German Validity and Reliability of a Brief Scale of Intention to Vaccinate Against COVID-19 in a Peruvian Sample |
| title | Validity and Reliability of a Brief Scale of Intention to Vaccinate Against COVID-19 in a Peruvian Sample |
| title_full | Validity and Reliability of a Brief Scale of Intention to Vaccinate Against COVID-19 in a Peruvian Sample |
| title_fullStr | Validity and Reliability of a Brief Scale of Intention to Vaccinate Against COVID-19 in a Peruvian Sample |
| title_full_unstemmed | Validity and Reliability of a Brief Scale of Intention to Vaccinate Against COVID-19 in a Peruvian Sample |
| title_short | Validity and Reliability of a Brief Scale of Intention to Vaccinate Against COVID-19 in a Peruvian Sample |
| title_sort | validity and reliability of a brief scale of intention to vaccinate against covid 19 in a peruvian sample |
| topic | Validity reliability Confirmatory Factor Analysis Covid-19 Vaccine Intention |
| topic_facet | Validity reliability Confirmatory Factor Analysis Covid-19 Vaccine Intention |
| url | https://pubmed.ncbi.nlm.nih.gov/35373648 https://doi.org/10.1177/21501319221075407 https://hdl.handle.net/20.500.15037/672 |
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