Development and content validity of an instrument for assessing the motivation for weight loss in adolescents with overweight and obesity
OBJECTIVE: To develop and validate the content of an instrument for assessing the motivation for weight loss in adolescents with overweight and obesity.
METHODS: The development and validation of the instrument were conducted in five stages, for which two systematic reviews were conducted. The first one, for the identification of questionnaires assessing the motivation for weight loss, included six studies and contributed to the selection of the domains for the instrument. The second one, conducted to identify the motivations for weight loss in adolescents with overweight and/or obesity, included six studies and contributed to the selection of 17 motivations included in the initial version of the instrument. The motivations most commonly identified were: having better health, improving my appearance, improving my self-esteem and avoiding bullying. The content validity was confirmed by a committee of 12 experts from the areas of nutrition, endocrinology, psychology, and physical education. Based on these evaluations, the content validity index was calculated. Only the items with a content validity index >0.80 for practical relevance were held in the instrument.
RESULTS: Five of the 17 motivations included in the initial version of the instrument were excluded because they had content validity index <0.80 for practical relevance. Of the 12 items held in the instrument, five were revised by experts in order to standardize wording and make the language more appropriate for adolescents. Experts categorized the items into the health, personal satisfaction, appearance and social domains.
CONCLUSIONS: This is the first instrument assessing the motivation for weight loss in adolescents with overweight and obesity in Brazil. The content validity evaluation by the panel of experts provided more practical relevance, as well as contributed to a better presentation of the items. Further psychometric testing is needed to determine reliability and construct validity of the instrument.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
PloS one - 15(2020), 11 vom: 27., Seite e0242680 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Silva, David Franciole Oliveira [VerfasserIn] |
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| Links: |
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| Themen: |
Clinical Trial |
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| Anmerkungen: |
Date Completed 04.01.2021 Date Revised 04.01.2021 published: Electronic-eCollection Citation Status MEDLINE |
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| doi: |
10.1371/journal.pone.0242680 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM318045931 |
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| 100 | 1 | |a Silva, David Franciole Oliveira |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Development and content validity of an instrument for assessing the motivation for weight loss in adolescents with overweight and obesity |
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| 500 | |a Date Completed 04.01.2021 | ||
| 500 | |a Date Revised 04.01.2021 | ||
| 500 | |a published: Electronic-eCollection | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a OBJECTIVE: To develop and validate the content of an instrument for assessing the motivation for weight loss in adolescents with overweight and obesity | ||
| 520 | |a METHODS: The development and validation of the instrument were conducted in five stages, for which two systematic reviews were conducted. The first one, for the identification of questionnaires assessing the motivation for weight loss, included six studies and contributed to the selection of the domains for the instrument. The second one, conducted to identify the motivations for weight loss in adolescents with overweight and/or obesity, included six studies and contributed to the selection of 17 motivations included in the initial version of the instrument. The motivations most commonly identified were: having better health, improving my appearance, improving my self-esteem and avoiding bullying. The content validity was confirmed by a committee of 12 experts from the areas of nutrition, endocrinology, psychology, and physical education. Based on these evaluations, the content validity index was calculated. Only the items with a content validity index >0.80 for practical relevance were held in the instrument | ||
| 520 | |a RESULTS: Five of the 17 motivations included in the initial version of the instrument were excluded because they had content validity index <0.80 for practical relevance. Of the 12 items held in the instrument, five were revised by experts in order to standardize wording and make the language more appropriate for adolescents. Experts categorized the items into the health, personal satisfaction, appearance and social domains | ||
| 520 | |a CONCLUSIONS: This is the first instrument assessing the motivation for weight loss in adolescents with overweight and obesity in Brazil. The content validity evaluation by the panel of experts provided more practical relevance, as well as contributed to a better presentation of the items. Further psychometric testing is needed to determine reliability and construct validity of the instrument | ||
| 650 | 4 | |a Clinical Trial | |
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Validation Study | |
| 700 | 1 | |a Souza, Angélica Luiza de Sales |e verfasserin |4 aut | |
| 700 | 1 | |a Pimentel, Jéssica Bastos |e verfasserin |4 aut | |
| 700 | 1 | |a Souza, Thatyane Oliveira |e verfasserin |4 aut | |
| 700 | 1 | |a Araújo, Eduarda Pontes Dos Santos |e verfasserin |4 aut | |
| 700 | 1 | |a Sena-Evangelista, Karine Cavalcanti Maurício |e verfasserin |4 aut | |
| 700 | 1 | |a Arrais, Ricardo Fernando |e verfasserin |4 aut | |
| 700 | 1 | |a Lima, Severina Carla Vieira Cunha |e verfasserin |4 aut | |
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