Psychometric analysis of Epworth Sleepiness Scale and its correlation with Pittsburgh sleep quality index in poor sleepers among Indian university students

References

[1] Johns MW. Daytime sleepiness, snoring and obstructive sleep apnoea: the Epworth sleepiness scale. Chest. 1993;103:30–6.10.1378/chest.103.1.30Suche in Google Scholar PubMed

[2] Johns MW. A new method for measuring daytime sleepiness: the Epworth sleepiness scale. Sleep. 1991;14:50–5.10.1093/sleep/14.6.540Suche in Google Scholar

[3] Richardson GS, Carskadon MA, Flagg W, van den Hoed J, Dement WC, Mitler MM. Excessive daytime sleepiness in man: multiple sleep latency measurement in narcoleptic and control subjects. Electroencephalogr Clin Neurophysiol. 1978;45:621–7.10.1016/0013-4694(78)90162-1Suche in Google Scholar PubMed

[4] Johns MW. What is excessive daytime sleepiness? In: Fulke P, Vaughan S, editors. Sleep deprivation: causes, effects and treatment. New York: Nova Science, 2009:59–94.Suche in Google Scholar

[5] Johns MW. Reliability and factor analysis of the Epworth sleepiness scale. Sleep. 1992;15:376–81.10.1093/sleep/15.4.376Suche in Google Scholar PubMed

[6] Smolley A, Ivey C, Farkas M, Faucette E, Murphy S. Epworth sleepiness scale is useful for monitoring daytime sleepiness. Sleep Res. 1993;22:389.Suche in Google Scholar

[7] Olson LG, Cole MF, Ambrogetti A. Correlations amongst Epworth sleepiness scale scores, multiple sleep latency tests and psychological symptoms. J Sleep Res. 1998;7(4):248–53.10.1046/j.1365-2869.1998.00123.xSuche in Google Scholar

[8] Bhatia M, Prasad K, Pande RN. Hindi version of Epworth sleepiness scale: a validity study. Ind J Sleep Med. 2006;1(4):171–4.10.5005/ijsm-1-4-208Suche in Google Scholar

[9] George PT. Sleepiness, troika of consciousness scale and the Epworth sleepiness scale. Sleep Breath. 2001;5(4):181–91.10.1055/s-2001-18807Suche in Google Scholar PubMed

[10] Johns MW. Sensitivity and specificity of the multiple sleep latency test (MLST), the maintenance of wakefulness test and the Epworth sleepiness scale: failure of the MSLT as a gold standard. J Sleep Res. 2000b;9:5–11.10.1046/j.1365-2869.2000.00177.xSuche in Google Scholar

[11] Johns MW. Rethinking the assessment of sleepiness. Sleep Med Rev. 1998;2:3–15.10.1016/S1087-0792(98)90050-8Suche in Google Scholar PubMed

[12] Vélez JC, Souza A, Traslaviña S, Barbosa C, Wosu A, Andrade A, et al. The epidemiology of sleep quality and consumption of stimulant beverages among Patagonian Chilean college students. Sleep Disord. 2013;2013:910104.10.1155/2013/910104Suche in Google Scholar PubMed PubMed Central

[13] Taylor DJ, Bramoweth AD. Patterns and consequences of inadequate sleep in college students: substance use and motor vehicle accidents. J Adolesc Health. 2010;46(6):610–2.10.1016/j.jadohealth.2009.12.010Suche in Google Scholar PubMed

[14] Zailinawati AH, Teng CL, Chung YC, Teow TL, Lee PN, Jagmohni KS. Daytime sleepiness and sleep quality among Malaysian medical students. Med J Malaysia. 2009;64(2):108–10.Suche in Google Scholar PubMed

[15] Abdulghani HM, Alrowais NA, Bin-Saad NS, Al-Subaie NM, Haji AM, Alhaqwi AI. Sleep disorder among medical students: relationship to their academic performance. Med Teach. 2012;34(s1):S37–41.10.3109/0142159X.2012.656749Suche in Google Scholar PubMed

[16] Bixler EO, Vgontzas AN, Lin HM, Calhoun SL, Vela-Bueno A, Kales A. Excessive daytime sleepiness in a general population sample: the role of sleep apnea, age, obesity, diabetes, and depression. J Clin Endocrinol Metab. 2005;90(8):4510–5.10.1210/jc.2005-0035Suche in Google Scholar

[17] Veldi M, Alujo A, Vasar V. Sleep quality and more common sleep-related problems in medical students. Sleep Med. 2005;6(3):269–75.10.1016/j.sleep.2004.12.003Suche in Google Scholar PubMed

[18] Eliasson AH, Lettieri CJ, Eliasson AH. Early to bed, early to rise! Sleep habits and academic performance in college students. Sleep Breath. 2010;14(1):71–5.10.1007/s11325-009-0282-2Suche in Google Scholar PubMed

[19] Kenney SR, LaBrie J, Hummer JF, Pham AT. Global sleep quality as a moderator of alcohol consumption and consequences in college students. Addict Behave. 2012;37(4):507–12.10.1016/j.addbeh.2012.01.006Suche in Google Scholar

[20] Lowry M, Dean K, Manders K. The link between sleep quantity and academic performance for the college student. Sentience. 2010;3(2):16–9.Suche in Google Scholar

[21] Orzech KM, Salafsky DB, Hamilton LA. The state of sleep among college students at a large public university. J Am Coll Health. 2011;59(7):612–9.10.1080/07448481.2010.520051Suche in Google Scholar

[22] Singh V, Pandey S, Singh A, Gupta R, Prasad R, Negi MP. Study pattern of snoring and associated risk factors among medical students. Biosci Trends. 2012;6(2):57–62.10.5582/bst.2012.v6.2.57Suche in Google Scholar PubMed

[23] Buysse DJ, Reynolds CF, Monk TH, Berman SR, Kupfer DJ. The Pittsburgh sleep quality index (PSQI): a new instrument for psychiatric research and practice. Psychiatry Res. 1989;28(2):193–213.10.1016/0165-1781(89)90047-4Suche in Google Scholar

[24] Walter SD, Eliasziw M, Donner A. Sample size and optimal designs for reliability studies. Stat Med. 1998;17(1):101–10.10.1002/(SICI)1097-0258(19980115)17:1<101::AID-SIM727>3.0.CO;2-ESuche in Google Scholar PubMed

[25] Weir JP. Quantifying test-retest reliability using the intraclass correlation coefficient and the SEM. J Strength Cond Res. 2005;19(1):231–40.10.1519/00124278-200502000-00038Suche in Google Scholar PubMed

[26] Portney LG, Watkins MP. Foundations of clinical research applications to practise, 3rd ed Upper Saddle River, NJ: Pearson/Prentice Hall, 2005.Suche in Google Scholar

[27] Bland JM, Altman DG. Statistical methods for assessing agreement between two methods of clinical measurement. Lancet. 1986;327(8476):307–10.10.1016/S0140-6736(86)90837-8Suche in Google Scholar

[28] George D, Mallery P. SPSS for Windows step by step: a simple guide and reference. 11.0 update, 4th ed Boston, MA: Allyn and Bacon, 2003.Suche in Google Scholar

[29] Chunk MK. Correlation coefficient. In: Salkin NJ, editors. Encyclopedia of measurement and statistics. London: Sage Publications, 2007:189–201.Suche in Google Scholar

[30] Omachi TA. Measures of sleep in rheumatologic diseases: Epsworth sleepiness scale (ESS), functional outcome of sleep questionnaire (FOSQ), Insominia severity index (ISI) and Pittsburgh sleep quality index (PSQI). Arth Care Res. 2011;63(S11):S287–96.10.1002/acr.20544Suche in Google Scholar PubMed PubMed Central

[31] Johns MW. A new perspective in sleepiness. Sleep Biol Rhythm. 2010;8(3):170–79.10.1111/j.1479-8425.2010.00450.xSuche in Google Scholar

[32] Chervin RD. The multiple sleep latency test and Epworth sleepiness scale in the assessment of daytime sleepiness. J Sleep Res. 2000;9(4):399–400.10.1046/j.1365-2869.2000.0227a.xSuche in Google Scholar PubMed

[33] Izci1 B, Ardic S, Firat H, Sahin A, Altinors M, Karacanl I. Reliability and validity studies of the Turkish version of the Epworth sleepiness scale. Sleep Breath. 2008;12(2):161–8.10.1007/s11325-007-0145-7Suche in Google Scholar PubMed

[34] Knutson KL, Rathouz PJ, Yan LL, Liu K, Lauderdale DS. Stability of the Pittsburgh sleep quality index and the Epworth sleepiness questionnaires over 1 year in early middle-aged adults: the cardia study. Sleep. 2006;29(11):1503–6.10.1093/sleep/29.11.1503Suche in Google Scholar PubMed

[35] Takegami M, Suzukamo Y, Wakita T, Noguchi H, Chin K, Kadotani H, et al. Development of a Japanese version of the Epworth sleepiness scale (JESS) based on item response theory. Sleep Med. 2009;10(5):556–65.10.1016/j.sleep.2008.04.015Suche in Google Scholar PubMed

[36] Beiske KK, Kjelsberg FN, Ruud EA, Stavem K. Reliability and validity of a Norwegian version of the Epworth sleepiness scale. Sleep Breath. 2008;13(1):65–72.10.1007/s11325-008-0202-xSuche in Google Scholar PubMed

[37] Mondal P, Gjevre JA, Taylor-Gjevre RM, Lim HJ. Relationship between the Pittsburgh sleep quality index and the Epworth sleepiness scale in a sleep laboratory referral population. Nat Sci Sleep. 2013;5:15–21.10.2147/NSS.S40608Suche in Google Scholar PubMed PubMed Central

[38] Buysse DJ, Hall ML, Strollo PJ, Kamrack TW, Owens J, Lee L, et al. Relationships between the Pittsburgh sleep quality index (PSQI), Epworth sleepiness scale (ESS) and clinical and polysomnographic measures in a community sample. J Clinical Sleep Med. 2008;4(6):563–71.10.5664/jcsm.27351Suche in Google Scholar