Validation of the English version of the Mood Rhythm Instrument.
Chronobiology
Circadian rhythm
Depression
Mood
Sleep
Journal
BMC psychology
ISSN: 2050-7283
Titre abrégé: BMC Psychol
Pays: England
ID NLM: 101627676
Informations de publication
Date de publication:
17 Apr 2020
17 Apr 2020
Historique:
received:
27
06
2019
accepted:
23
03
2020
entrez:
19
4
2020
pubmed:
19
4
2020
medline:
25
6
2020
Statut:
epublish
Résumé
Disruption of biological rhythms has been linked to the pathophysiology of mental disorders. However, little is known regarding the rhythmicity of mood symptoms due to the lack of validated clinical questionnaires. A better understanding of the rhythmicity of mood symptoms can help identifying individuals whose severity of mood symptoms follows an altered circadian rhythm. The objective of this study was to validate the English version of the Mood Rhythm Instrument (MRhI), a self-reported measure of self-perceived rhythmicity of mood symptoms and behaviours, in a sample of the general population from Canada. After the translation process, the final English version of the Mood Rhythm Instrument (MRhI-English) was applied on participants recruited at McMaster University and St. Joseph's Healthcare Hamilton campuses. Individuals were also asked to answer the Reduced Morningness-Eveningness Questionnaire (rMEQ). Four hundred one individuals completed the English version of the MRhI and the rMEQ. The MRhI-English presented a Cronbach's alpha of 0.75. The factorial analysis grouped the MRhI-15 items in 3 factors (cognitive, affective and somatic), with affective items having a lower frequency of self-reported 24-h peaks. Comparison between sexes showed that women reported a higher frequency of daily peaks in irritability, anxiety, sadness and talking to friends, while men exhibited peaks more frequently in problem-solving, sexual arousal and motivation to exercise. Our findings suggest that the English version of the MRhI displayed good internal consistency. Future directions will include the use of the MRhI instrument in individuals with mood disorders, aiming to provide a better understanding of the relationship between daily patterns of mood variability and mental health outcomes.
Sections du résumé
BACKGROUND
BACKGROUND
Disruption of biological rhythms has been linked to the pathophysiology of mental disorders. However, little is known regarding the rhythmicity of mood symptoms due to the lack of validated clinical questionnaires. A better understanding of the rhythmicity of mood symptoms can help identifying individuals whose severity of mood symptoms follows an altered circadian rhythm. The objective of this study was to validate the English version of the Mood Rhythm Instrument (MRhI), a self-reported measure of self-perceived rhythmicity of mood symptoms and behaviours, in a sample of the general population from Canada.
METHODS
METHODS
After the translation process, the final English version of the Mood Rhythm Instrument (MRhI-English) was applied on participants recruited at McMaster University and St. Joseph's Healthcare Hamilton campuses. Individuals were also asked to answer the Reduced Morningness-Eveningness Questionnaire (rMEQ).
RESULTS
RESULTS
Four hundred one individuals completed the English version of the MRhI and the rMEQ. The MRhI-English presented a Cronbach's alpha of 0.75. The factorial analysis grouped the MRhI-15 items in 3 factors (cognitive, affective and somatic), with affective items having a lower frequency of self-reported 24-h peaks. Comparison between sexes showed that women reported a higher frequency of daily peaks in irritability, anxiety, sadness and talking to friends, while men exhibited peaks more frequently in problem-solving, sexual arousal and motivation to exercise.
CONCLUSIONS
CONCLUSIONS
Our findings suggest that the English version of the MRhI displayed good internal consistency. Future directions will include the use of the MRhI instrument in individuals with mood disorders, aiming to provide a better understanding of the relationship between daily patterns of mood variability and mental health outcomes.
Identifiants
pubmed: 32303262
doi: 10.1186/s40359-020-00397-2
pii: 10.1186/s40359-020-00397-2
pmc: PMC7165411
doi:
Types de publication
Clinical Trial
Journal Article
Validation Study
Langues
eng
Sous-ensembles de citation
IM
Pagination
35Subventions
Organisme : Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (BR)
ID : Finance Code 001
Organisme : Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (BR)
ID : Finance Code 001
Organisme : Pró-Reitoria de Pesquisa, Universidade Federal do Rio Grande do Sul (BR)
ID : --
Organisme : Bolsa de Produtividade em Pesquisa - PQ-CNPq
ID : 303707/2016-0
Organisme : PVE-CNPq
ID : --
Organisme : Spanish Ministry of Economy, Industry, and Competitiveness
ID : grant PSI2015-65026; MINECO / FEDER / UE
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