The Short Form-12 Health Survey was a valid instrument in Chinese adolescents.

OBJECTIVE To evaluate the construct validity of the standard Chinese Short Form (SF)-12v2 in adolescents. STUDY DESIGN AND SETTING Data collected from the Hong Kong Student Obesity Surveillance project conducted in 2006-2007 were used. The standard Chinese SF-12v2 was first evaluated against clinical criteria previously used for the evaluation of SF-12 or SF-36. The data were then randomly split into training and validation halves for exploratory and confirmatory factor analyses, respectively. RESULTS A total of 31,357 adolescents with mean age of 14.8 years (standard deviation=1.9; range=11.0-18.9) were included. The standard Chinese SF-12v2 effectively distinguished groups differing in doctor-diagnosed health problems, self-reported illnesses in the past 30 days, gender, perceived health in the past 3 months, and health compared with that 12 months back. The mental health scale had low internal consistency (Cronbach's alpha=0.34). The exploratory factor analysis was influenced by method effects, but confirmatory factor analysis confirmed the hypothesized latent structure and the one-factor structure of the SF-12v2, providing fit indices within acceptable limits. CONCLUSION The two components and a single general health component of the standard Chinese SF-12v2 are appropriate health indicators for Chinese adolescents.

[1]  B. Gandek,et al.  Tests of scaling assumptions and construct validity of the Chinese (HK) version of the SF-36 Health Survey. , 1998, Journal of clinical epidemiology.

[2]  L. Cronbach.  Coefficient alpha and the internal structure of tests , 1951 .

[3]  K. Jöreskog,et al.  LISREL 8: New Statistical Features , 1999 .

[4]  D. Globe,et al.  Association of anemia correction with health related quality of life in patients not on dialysis* , 2007, Current medical research and opinion.

[5]  P. Bentler,et al.  Cutoff criteria for fit indexes in covariance structure analysis : Conventional criteria versus new alternatives , 1999 .

[6]  A. M. Ibrahim,et al.  Differential Responding to Positive and Negative Items: The Case of a Negative Item in a Questionnaire for Course and Faculty Evaluation , 2001, Psychological reports.

[7]  J. Powell,et al.  A randomized effectiveness trial of brief cognitive-behavioral therapy for depressed adolescents receiving antidepressant medication. , 2005, Journal of the American Academy of Child and Adolescent Psychiatry.

[8]  R. Boothroyd,et al.  Young and Poor: The Well-Being of Adolescent Girls Living in Families Receiving Temporary Assistance for Needy Families Program , 2005 .

[9]  J. S. Long,et al.  Testing Structural Equation Models , 1993 .

[10]  S. Holm.  A Simple Sequentially Rejective Multiple Test Procedure , 1979 .

[11]  R. Hershberger,et al.  Comparative responsiveness of Short-Form 12 and Minnesota Living With Heart Failure Questionnaire in patients with heart failure. , 2000, Journal of cardiac failure.

[12]  J. Ware,et al.  A 12-Item Short-Form Health Survey: construction of scales and preliminary tests of reliability and validity. , 1996, Medical care.

[13]  Y. Shen,et al.  Chinese SF-36 Health Survey: translation, cultural adaptation, validation, and normalisation , 2003, Journal of epidemiology and community health.

[14]  Barbara Gandek,et al.  Sf-12v2 How to score version 2 of the sf-12 health survey. Quality Metric Incorporated , 2002 .

[15]  R. Baer,et al.  Detection of random responding on the MMPI-A. , 1997, Journal of personality assessment.

[16]  Stephanie E. Cassin,et al.  Health and Quality of Life Outcomes , 2007 .

[17]  M Sullivan,et al.  The factor structure of the SF-36 Health Survey in 10 countries: results from the IQOLA Project. International Quality of Life Assessment. , 1998, Journal of clinical epidemiology.

[18]  D. Fishbain,et al.  Chronic pain-associated depression: antecedent or consequence of chronic pain? A review. , 1997, The Clinical journal of pain.

[19]  Tanzania. Ofisi ya Takwimu,et al.  Key findings report , 2002 .

[20]  Barbara Gandek,et al.  The SF-36 summary scales were valid, reliable, and equivalent in a Chinese population. , 2005, Journal of clinical epidemiology.

[21]  C. Sherbourne,et al.  The MOS 36-Item Short-Form Health Survey (SF-36) , 1992 .

[22]  B. Lubin,et al.  Development of a Random Response Scale for the Multiple Affect Adjective Check List-Revised , 2000, Perceptual and motor skills.

[23]  H. Akiskal,et al.  Pain complaints in adolescent patients with affective disorders versus adolescent psychiatric controls. , 2005, Primary care companion to the Journal of clinical psychiatry.

[24]  J E Ware,et al.  Psychometric and clinical tests of validity of the Japanese SF-36 Health Survey. , 1998, Journal of clinical epidemiology.

[25]  R. Motl,et al.  The Social Physique Anxiety Scale: an example of the potential consequence of negatively worded items in factorial validity studies. , 2000, Journal of applied measurement.

[26]  A. Garratt,et al.  Generic measures of health-related quality of life in ankylosing spondylitis: reliability, validity and responsiveness. , 2002, Rheumatology.

[27]  D. Rubin,et al.  Statistical Analysis with Missing Data. , 1989 .

[28]  Robert N. Bickel,et al.  Multilevel Analysis for Applied Research: It's Just Regression! Methodology in the Social Sciences. , 2007 .

[29]  R. Pietrobon,et al.  Reliability, Validity, and Responsiveness of the Short Form 12-Item Survey (SF-12) in Patients With Back Pain , 2003, Spine.

[30]  Nicole A. Lazar,et al.  Statistical Analysis With Missing Data , 2003, Technometrics.

[31]  S. Bruehl,et al.  The Variable Responding Scale for Detection of Random Responding on the Multidimensional Pain Inventory , 1998 .

[32]  C. McHorney,et al.  The MOS 36‐Item Short‐Form Health Survey (SF‐36): II. Psychometric and Clinical Tests of Validity in Measuring Physical and Mental Health Constructs , 1993, Medical care.

[33]  M. Nicholas.  Mental disorders in people with chronic pain: An international perspective , 2007, PAIN.

[34]  Richard W. Bohannon,et al.  Measurement properties of the short form (SF)-12 applied to patients with stroke , 2004, International journal of rehabilitation research. Internationale Zeitschrift fur Rehabilitationsforschung. Revue internationale de recherches de readaptation.

[35]  Anthony J. Onwuegbuzie,et al.  The Impact of Midpoint Responses and Reverse Coding on Survey Data , 2001 .

[36]  M H Liang,et al.  Comparative measurement efficiency and sensitivity of five health status instruments for arthritis research. , 1985, Arthritis and rheumatism.

[37]  B. Gandek,et al.  Is the standard SF-12 Health Survey valid and equivalent for a Chinese population? , 2005, Quality of Life Research.

[38]  P. Nelson,et al.  NSW Young People on Community Orders Health Survey , 2006 .

[39]  A. Coulter,et al.  An assessment of the construct validity of the SF-12 summary scores across ethnic groups. , 2001, Journal of public health medicine.

[40]  F. Floyd,et al.  Factor analysis in the development and refinement of clinical assessment instruments. , 1995 .

[41]  A. Coulter,et al.  Criterion validity and reliability of the SF-36 in a population sample , 1994, Quality of Life Research.

[42]  Kathleen M. Minke,et al.  An Investigation of the Factor Structure of the Teacher Efficacy Scale. , 1999 .

[43]  Dafydd Gibbon,et al.  1 User’s guide , 1998 .

[44]  C. Larson.  Use of the SF-12 instrument for measuring the health of homeless persons. , 2002, Health services research.

[45]  J. Schafer.  Multiple imputation: a primer , 1999, Statistical methods in medical research.

[46]  Larry J. Williams,et al.  A Confirmatory Factor Analysis Examination of Reverse Coding Effects in Meyer and Allen's Affective and Continuance Commitment Scales , 1996 .

[47]  D. Revicki,et al.  SF-36 summary scores: are physical and mental health truly distinct? , 1998, Medical care.

[48]  D. Machin,et al.  A community-based study of scaling assumptions and construct validity of the English (UK) and Chinese (HK) SF-36 in Singapore , 2004, Quality of Life Research.

[49]  N. Duan,et al.  Effectiveness of a quality improvement intervention for adolescent depression in primary care clinics: a randomized controlled trial. , 2005, JAMA.

[50]  P. Bentler,et al.  Fit indices in covariance structure modeling : Sensitivity to underparameterized model misspecification , 1998 .

[51]  J. Fuh,et al.  Psychometric evaluation of a Chinese (Taiwanese) version of the SF-36 health survey amongst middle-aged women from a rural community , 2004, Quality of Life Research.

[52]  M. Tones,et al.  The impact of patient self assessment of deformity on HRQL in adults with scoliosis , 2007, Scoliosis.

[53]  M. Ekici,et al.  Association of asthma-related symptoms with snoring and apnea and effect on health-related quality of life. , 2005, Chest.