Sleep and Biological Rhythms

, Volume 17, Issue 1, pp 19–26 | Cite as

Short form of the Social Rhythm Metric: a tool to evaluate the social and functional impact on stroke patients

  • Ricardo Diego Rimenez Gurgel da Fonsêca
  • Rita de Cássia Galvão Lopes
  • Samantha Angélica Lima de Souza Morais
  • Paula Regina Aguiar Cavalcanti Ferreira
  • Aline Braga Galvão Silveira Fernandes
  • Tania Fernandes CamposEmail author
Original Article



Social Rhythm Metric (SRM) is a self-administered instrument to specifically measure the regularity of the occurrence of several daily activities. This study aimed to establish a short form of the SRM to assess the social rhythm of stroke patients.


The sample consisted of 84 patients, mean age 60 years (± 10), and injury time of 19 months (± 22). For seven consecutive days, patients recorded the time of day at which all 17 SRM activities were performed. Data analysis was conducted using factor analysis.


SRM activities were distributed in three forms: the first and second involving 6 activities and a third form with 3 activities. The first form consisted of the following activities: get out of bed, first contact with a person, morning beverage, breakfast, evening TV news program and bedtime; and obtained the highest ALI (Activity Level Index) and SRM scores (29 and 6, respectively). When confirmatory factorial analysis was performed, there was an improvement in the goodness-of-fit statistics only for the first short form of SRM: χ2/df value was below 3; RMSEA and values of CFI and TLI increased greatly, reaching approximately the appropriate values for the model adjustment (RMSEA = 0.08, CFI = 0.92 and TLI = 0.81).


The first form was considered the appropriate short form to assess SRM in stroke patients. This instrument may be useful in neurological rehabilitation and evaluating the social and functional impact of this disease.


Cerebrovascular disorders Interpersonal relations Social behavior Activities of daily living Biological rhythms 



We acknowledge the financial support from National Council for Scientific and Technological Development (CNPq) for the research (Grant number 409797/2006-5).

Compliance with ethical standards

Conflict of interest

All authors declare that they have no conflict of interest.


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Copyright information

© Japanese Society of Sleep Research 2018

Authors and Affiliations

  • Ricardo Diego Rimenez Gurgel da Fonsêca
    • 1
  • Rita de Cássia Galvão Lopes
    • 1
  • Samantha Angélica Lima de Souza Morais
    • 1
  • Paula Regina Aguiar Cavalcanti Ferreira
    • 2
  • Aline Braga Galvão Silveira Fernandes
    • 3
  • Tania Fernandes Campos
    • 1
    Email author
  1. 1.Department of Physical TherapyFederal University of Rio Grande do NorteNatalBrazil
  2. 2.Loma Linda UniversityLoma LindaUSA
  3. 3.Faculdade de Ciências da Saúde do TrairiSanta CruzBrazil

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