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Table 2 Description of quality scoring system for the self-care surveys reviewed

From: A critical review of self-care for sleep disturbances: prevalence, profile, motivation, perceived effectiveness and medical provider communication

Dimensions of quality assessment Points awardeda
Methodology  
 1. Representative Sampling Strategy 1
 2. Sample size > 500 1
 3. Response rate > 75% 1
 4. Low recall bias (prospective data collection or retrospective data collection within the past 12 months) 1
Reporting of participants characteristics  
 5. Classification of specific sleep disturbance reported (e.g. insomnia/sleep apnea). 1
 6. Age 1
 7. Ethnicity 1
 8. Indicator of socioeconomic status (income, education) 1
 9. Gender 1
Reporting of self-care  
 10. Definition of self-care products or practices provided to participants 1
 11. Participants can name self-care products/practices used (open question). 1
 12. Use of self-care products or practices assessed 1
  1. aThe maximal score is 12 points