Increased utilization of health services by insomniacs—an epidemiological perspective

Novák, Márta; Mucsi, István; Shapiro, Colin M.; Réthelyi, János; Kopp, Mária

doi:10.1016/j.jpsychores.2004.02.007

Cited by 121 publications

(103 citation statements)

References 31 publications

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“…The correlations obtained between the IDIS and the other scales indicate that depression, anxiety and psychological/general well-being are all concepts related to insomnia. These findings are consistent with the literature (American Psychiatric Association, 2000;Riemann and Voderholzer, 2003;Novak et al, 2004;Johna et al, 2005;Hamilton et al, 2007), which reports that these manifestations often appear together, and they also corroborate the convergent validity of the IDIS with respect to the BDI, the BAI, the GHQ-12 and the AIS-8, thereby providing additional evidence of the scale's validity.…”

Section: Discussionsupporting

confidence: 91%

Development of a scale to assess the diurnal impact of insomnia

Ruiz

Guilera

Gómez-Benito

2011

Psychiatry Research

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a b s t r a c t a r t i c l e i n f oThe objective of this study was to develop and validate a scale to assess the diurnal impact of insomnia. The Insomnia Diurnal Impact Scale (IDIS) comprises six items designed to evaluate the daytime effects of insomnia. The psychometric properties of the original scale were analysed in a sample of 172 students, while its ability to differentiate insomniacs and non-insomniacs (according to the International Classification of Diseases (ICD)-10 criteria) was examined in a sample of 79 psychiatric patients and 82 individuals from the community. The psychometric properties of the English version were then analysed in a sample of 44 Englishspeaking participants. The results showed the internal consistency coefficient to be very good (0.86), with test-retest reliability at 1 month being 0.79. A single factor explained almost 60% of the variance. Correlation of the IDIS with other scales varied between moderate and high values. Sensitivity was 78% and specificity 57% in the community sample, while the corresponding figures for the psychiatric population were 83% and 63%. Cronbach's α coefficient for the English version reached a value of 0.93. These results indicate that the IDIS shows adequate reliability and validity with both general and psychiatric populations, and also that it can discriminate between the presence and absence of insomnia. The English version presents good preliminary results regarding item-corrected total correlation and internal consistency. In conclusion, the IDIS appears to be a useful tool in the primary care and mental health contexts for assessing insomnia-related diurnal dysfunction.

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Section: Discussionsupporting

confidence: 91%

Development of a scale to assess the diurnal impact of insomnia

Ruiz

Guilera

Gómez-Benito

2011

Psychiatry Research

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“…Health care utilization, as defined by increased office visits and rates of hospitalization, is consistently higher in insomniacs than in subjects without sleep complaints (Leger et al, 2002;Novak et al, 2004). In fact, the direct costs incurred through inpatient, outpatient, pharmacy, and emergency room usage is greater in insomniacs regardless of age (Ozminkowski et al, 2007).…”

Section: Socioeconomic Impact Of Insomniamentioning

confidence: 99%

Insomnia: Prevalence, Impact, Pathogenesis, Differential Diagnosis, and Evaluation

Mai

Buysse

2008

Sleep Medicine Clinics

250

153

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“…People who suffer from insomnia have more somatic and mental disorders [1], and several studies have found a specific relationship between insomnia and depression and/ or anxiety [2][3][4][5][6][7][8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

“…People who suffer from insomnia have more current somatic and mental disorders and more pain complaints than do those without insomnia. They also make significantly greater use of health services and take more days of sick leave [1]. For this reason, it would seem necessary to have appropriate standardized procedures for diagnosing it [16].…”

Section: Introductionmentioning

confidence: 99%

A Spanish version of the athens insomnia scale

2011

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Objectives To develop and validate a Spanish version of the Athens Insomnia Scale (AIS). Methods The AIS is designed to assess sleep difficulty and comprises eight items: the first five refer to the sleep disturbance and the last three to the daytime consequences. Either the full eight-item scale (AIS-8) or the brief form (AIS-5) can be administered. The adaptation used a backtranslation design. The validation process was based on a sample of 323 participants (undergraduates, community sample and psychiatric outpatients), which completed the AIS and other questionnaires: anxiety (BAI), depression (BDI) and psychological well-being (GHQ-12) scales. Results The internal consistency coefficients for both versions were above 0.80. The study of dimensionality revealed a single factor with high loadings and a percentage of explained variance above 50% in both versions. Test-retest reliability was above 0.70 (AIS-5) and over 0.80 (AIS-8) at a one-month interval. The correlation between the AIS and the previously mentioned scales was for both the AIS-5 and the AIS-8 above 0.40 and 0.50, respectively. ConclusionThe psychometric properties of both versions of the Spanish form of the AIS demonstrate that the scale is a valid and reliable instrument for the assessment of insomnia in Spanish-speaking populations.

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Increased utilization of health services by insomniacs—an epidemiological perspective

Cited by 121 publications

References 31 publications

Development of a scale to assess the diurnal impact of insomnia

Development of a scale to assess the diurnal impact of insomnia

Insomnia: Prevalence, Impact, Pathogenesis, Differential Diagnosis, and Evaluation

A Spanish version of the athens insomnia scale

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