Psychometric evaluation of the Oswestry Disability Index in patients with chronic low back pain: factor and Mokken analyses

[11] Tugwell P(2016)Association of Depression with Sleep Quality Might be Greater Than that of Pain Intensity among Outpatients with Chronic Low Back Pain Neuropsychiatr Dis Treat 12 1993-1998

[12] Ostelo RW(2003)Assessment of Health-Related Quality of Life in Taiwan (I): Development and Psychometric Testing of SF-36 Taiwan Version Taiwan J Public Health 22 501-511

[13] Brodke DS(2008)SF-36 Scales, and Simple Sums of Scales, Were Reliable Quality-of-Life Summaries for Patients with Schizophrenia J Clin Epidemiol 61 588-596

[14] Vadim G(1966)Subjective Assessment of Pain and Its Relationship to the Administration of Analgesics in Patients with Advanced Cancer J Psychosom Res 10 203-208

[15] Lawrence BD(2005)Cronbach’s α, Revelle’s β, and Mcdonald’s ω Psychometrika 70 123-133

[16] Ryan SW(2010) : Their Relations with Each Other and Two Alternative Conceptualizations of Reliability J Pers Assess 92 544-559

[17] Lu Y-M(2012)Bifactor Models and Rotations: Exploring the Extent to which Multidimensional Data Yield Univocal Scale Scores J Stat Softw 48 1-36

[18] Wu Y-Y(1981)Lavaan: An R Package for Structural Equation Modeling J Mark Res 18 39-50

[19] Hsieh C-L(2009)Evaluating Structural Equation Models with Unobservable Variables and Measurement Error Qual Life Res 18 447-460

[20] Lin C-L(2007)Having a Fit: Impact of Number of Items and Distribution of Data on Traditional Criteria for Assessing IRT’s Unidimensionality Assumption Med Care 45 S22-S31

[11] Tugwell P(2016)Association of Depression with Sleep Quality Might be Greater Than that of Pain Intensity among Outpatients with Chronic Low Back Pain Neuropsychiatr Dis Treat 12 1993-1998

[12] Ostelo RW(2003)Assessment of Health-Related Quality of Life in Taiwan (I): Development and Psychometric Testing of SF-36 Taiwan Version Taiwan J Public Health 22 501-511

[13] Brodke DS(2008)SF-36 Scales, and Simple Sums of Scales, Were Reliable Quality-of-Life Summaries for Patients with Schizophrenia J Clin Epidemiol 61 588-596

[14] Vadim G(1966)Subjective Assessment of Pain and Its Relationship to the Administration of Analgesics in Patients with Advanced Cancer J Psychosom Res 10 203-208

[15] Lawrence BD(2005)Cronbach’s α, Revelle’s β, and Mcdonald’s ω Psychometrika 70 123-133

[16] Ryan SW(2010) : Their Relations with Each Other and Two Alternative Conceptualizations of Reliability J Pers Assess 92 544-559

[17] Lu Y-M(2012)Bifactor Models and Rotations: Exploring the Extent to which Multidimensional Data Yield Univocal Scale Scores J Stat Softw 48 1-36

[18] Wu Y-Y(1981)Lavaan: An R Package for Structural Equation Modeling J Mark Res 18 39-50

[19] Hsieh C-L(2009)Evaluating Structural Equation Models with Unobservable Variables and Measurement Error Qual Life Res 18 447-460

[20] Lin C-L(2007)Having a Fit: Impact of Number of Items and Distribution of Data on Traditional Criteria for Assessing IRT’s Unidimensionality Assumption Med Care 45 S22-S31