2005
DOI: 10.1007/s11136-005-4346-x
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Psychometric Evaluation of the Chinese Version of the Pittsburgh Sleep Quality Index (CPSQI) in Primary Insomnia and Control Subjects

Abstract: In order to effectively study the population experiencing insomnia, it is important to identify reliable and valid tools to measure sleep that can be administered in the home setting. The purpose of this study was to assess psychometric properties for the Chinese version of the Pittsburgh Sleep Quality Index (CPSQI) in community-dwelling adults with primary insomnia. The CPSQI had an overall reliability coefficient of 0.82 -0.83 for all subjects. "Subjective sleep quality" was the component most highly correla… Show more

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Cited by 968 publications
(767 citation statements)
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“…Based on this realization, we examined the effect of using super-normal controls on estimates of BIQ validity by replicating the validity analyses reported in the last section after excluding from the clinical reappraisal sample respondents who reported some sleep problems (2 or more days reliability is generally found to be lower for insomnia than other sleep complaints in psychometric studies, 6 as well as for the fact that reports of more qualitative symptoms of insomnia, such as the restorative value of sleep and daytime functioning, are usually found to be less stable in test-retest studies than are more quantitative reports of sleep-problem frequency and duration. 5,39 Our results regarding the short-term test-retest reliability of BIQ symptoms are not entirely consistent with the latter results, though, as the test-retest correlations for BIQ reports of daytime impairment (0.87-0.88) are as high as those for reports of more quantitative symptoms. Indeed, the majority of BIQ items have good to excellent test-retest reliability.…”
Section: Concordance Based On Continuous Classifications Using Biq Sycontrasting
confidence: 68%
See 1 more Smart Citation
“…Based on this realization, we examined the effect of using super-normal controls on estimates of BIQ validity by replicating the validity analyses reported in the last section after excluding from the clinical reappraisal sample respondents who reported some sleep problems (2 or more days reliability is generally found to be lower for insomnia than other sleep complaints in psychometric studies, 6 as well as for the fact that reports of more qualitative symptoms of insomnia, such as the restorative value of sleep and daytime functioning, are usually found to be less stable in test-retest studies than are more quantitative reports of sleep-problem frequency and duration. 5,39 Our results regarding the short-term test-retest reliability of BIQ symptoms are not entirely consistent with the latter results, though, as the test-retest correlations for BIQ reports of daytime impairment (0.87-0.88) are as high as those for reports of more quantitative symptoms. Indeed, the majority of BIQ items have good to excellent test-retest reliability.…”
Section: Concordance Based On Continuous Classifications Using Biq Sycontrasting
confidence: 68%
“…Sample eligibility was also limited to members who provided the plan with a telephone number, could speak English, and had no impairment that limited their ability to be interviewed over the telephone. The sample was selected with stratification to match the United States census population distribution on the cross-classification of age (18)(19)(20)(21)(22)(23)(24)(25)(26)(27)(28)(29)(30)(31)(32)(33)(34)(35)(36)(37)(38)(39)(40)(41)(42)(43)(44)(45)(46)(47)(48)(49), 50-64, 65-74 and 75+), sex, urbanicity (Census Standard Metropolitan Statistical Areas [SMSA], non-SMSA urbanized areas, and rural areas), and census region (Northeast, South, Midwest, and West).…”
Section: The Main Ais Samplementioning
confidence: 99%
“…Each component is scored from 0 to 3, and the seven component scores are summed to gain a global score. In Chinese populations, a PSQI global score > 7 indicates poor sleep quality [29]. There were six questions on the frequency and/or volume of consumption of certain food items.…”
Section: Assessment Of Psychological State and Quality Of Lifementioning
confidence: 99%
“…The Cronbach's alpha coefficient of the PSS questionnaire was 0.40. To assess sleep problems, we used the Chinese version of the Pittsburgh Sleep Quality Index (PSQI) questionnaire (33). PSQI is a simplified tool for evaluating sleep quality within the most recent 1 mo, including subjective sleep quality, sleep latency, sleep duration, habitual sleep efficiency, sleep disturbance, use of sleeping medication, and daytime dysfunction (34).…”
Section: Assessment Of Depression Stress and Sleep Problemsmentioning
confidence: 99%