The sf36 is a measure of health status and an abbreviated variant of it, the. May 20, 2015 physical function pf is a common health concept measured in clinical trials and clinical care. The sf36 is a measure of health status and an abbreviated variant of it, the sf6d, is commonly used in health economics as a variable in the qualityadjusted life year calculation to determine the costeffectiveness of a health treatment. Scoring of the general health and pain scales is different between the. The sf36 can be administered by interviewer or selfadministered. The sf36 consists of eight scaled scores, which are the weighted sums of the questions in their section. The inclusion of the sf 36 in the first australian national household panel survey, the household, income and labour dynamics in australia hilda survey, provides an opportunity to investigate health inequalities. There is considerable evidence for the validity of the sf36 in a variety of populations including ms. An analysis of the sf36 physical function subscale and the barthel index for use in the subarachnoid hemorrhage population sheila alexander, rn, bsn, research associate 1, yookyung kim, phd, assistant professor 2, mary kerr, rn, phd, faan, director for the center for nursing research 1. Sf36 total score as a single measure of healthrelated. It yields an 8scale profile including functional health, and mental health. Nov 15, 20 the sf 36 physical functioning scale pf10 and the health assessment questionnaire disability index haqdi are the most frequently used instruments for measuring selfreported physical function in rheumatoid arthritis ra.
Development and evaluation of a crosswalk between the sf. A prospective repeated measures design was used to produce a backspecific version of the short form 36 physical functioning scale sf 36 pf by rasch analysis of a pool of items from the sf 36 pf. The medical outcomes study short form 36 sf 36 is a generic health status measure that was introduced in 1992, and has been translated languages. The scoring system developed for the physical functioning scale pf10, used in both the 149 item medical outcomes study mos functioning and wellbeing profile 2 and the sf36 health survey 3, is a likert summated rating scale approach 4 in which the total physical functioning score is determined by a simple algebraic sum of the ten. The lowest sf36 scores were for the general health and role limitations due to physical problems subscales while the highest scores were for the social functioning and physical functioning subscales. Medical outcomes study short form 36item sf36 and short form 12item sf 12. Numerous scales exist for the measurement of disability but often these do not permit comparisons between study groups. Physical functioning subdomain role functioning physical subdomain. The 10item physical functioning scale pf10, used in both the 149item mos functioning and wellbeing profile 22 and the sf36 health survey, is an index designed to sample three main attributes of physical functioning. During the past 4 weeks, have you had any of the following problems with your work or other regular daily activities as a result of your physical health. Transformed scaled score of subjects physical functioning physical functioning pf scale items, as part of version 2. The sf36 physical functioning scale pf10 and the health assessment questionnaire disability index haqdi are the most frequently used instruments for measuring selfreported physical function in rheumatoid arthritis ra. In an ms population, the cronbachs alphas for the various subscales of the sf36 range from. Internal consistency and validity with older adults there is a needto characterize the physical functioning of older adults.
Overall health status scores are calculated by averaging scores from the 8 embedded hrql constructs. Conversely, physical functioning and physical role limitations were generally not associated with the sms but were associated with physical abilities and pain on the nhp. The inclusion of the sf36 in the first australian national household panel survey, the household, income and labour dynamics in australia hilda survey, provides an opportunity to investigate health inequalities. This modified version of the translated sf 36 was then used in a twophasedstudy between 1999 and 2000. The sf 36 includes multiitem scales to measure the following 8 dimensions the question numbers refer to those in exhibit 10. Raczek, ab crosssectional data from the medical outcomes study mos were analyzed to test the validity of the mos 36 item shortform health survey sf 36 scales as measures of. The sf36 is a generic measure of health status as opposed to one that targets a specific age, disease, or treatment group. Performance of the sf36, sf12, and rand36 summary scales.
The sf36 is a multipurpose, shortform health survey with 36 items. The tscores are a linear transformation of the 0100 possible range scoring for the sf36vr12 scales that gives every scale a mean of 50 and standard deviation of 10, normed to the us general population. In this analysis we establish the psychometric properties and criterion validity of the sf 36. Unidimensionality and reproducibility of the rasch item scale. Answer every question by marking the answer as indicated. The pase measures the level of selfreported physical activity in individuals aged 65 years or older and is comprised of items regarding occupational, household, and leisure activities during the previous 7day period. The sf 36 assesses healthrelated quality of life using 8 domains, regarding either physical or mental functioning, both of which can also be summarized into a composite score. Our objectives, which were achieved, were to develop a form that.
Utahns age 18 or over, 1996 0% 2% 4% 6% 8% 10% 12% 14% 16% 10 15 20 25 30 35 40 45 50 55 60 65 70 sf12 physical health composite scale score percentage of persons with score mean 50. Medical outcomes study questionnaire short form 36 health. This information will help keep track of how you feel and how well you are able to do your usual activities. Pdf the rand36 measure of healthrelated quality of life. Request pdf physical functioning scale of the shortform sf 36. It consists of 12 questions regarding the frequency and duration of leisure activity e. Evaluation of the mos sf36 physical functioning scale pf. The 36question short form of the mosform survey sf36, a generic questionnaire widely used in patients with chronic disorders 2123, explores 8 domains. Sf36 quality of life scale the sf36 is a multipurpose, shortform health survey with only 36 questions. Methods this study involved the secondary analysis of pfs, physical performance, and fall history data obtained from 19 men and 39 women, 65 to 94 years old.
Ware and sherbourne give an extended description of the origins of the sf36 and of its links with the other mos instruments 1. The scoring system for the sf36 is relatively complex and. Drawing upon decades of experience, rand provides research services. The sf 36 health survey is a multipurpose, shortform health survey which contains 36 questions. Drawing on the established state of health questionnaire sf36. An analysis of the sf 36 physical function subscale and the barthel index for use in the subarachnoid hemorrhage population sheila alexander, rn, bsn, research associate 1, yookyung kim, phd, assistant professor 2, mary kerr, rn, phd, faan, director for the center for nursing research 1, and howard yonas, md 3. The physical functioning pf domain of the established and widely used short form36 sf36 questionnaire asks about limitations on ten mobility activities. Physical functioning pf role physical rp bodily pain bp physical general health gh vitality vt. The sf36 and rand36 include the same set of items that were developed in the.
It yields an eight scale profile of scores as well as summary physical and mental measures. It is measured with different instruments that are not directly comparable, making comparative effectiveness research cer challenging when pf is the outcome of interest. The short form 36 health survey is a 36 item, patientreported survey of patient health. Assessing the validity of the sf36 general health survey. The physical functioning pf domain of the established and widely used short form 36 sf 36 questionnaire asks about limitations on ten mobility activities. There is no single overall score for the sf36, instead, it generates 8 subscales and two summary scores. Scoring instructions for mos 36item short form survey instrument sf36. A low backspecific version of the sf36 physical functioning. In conclusion, this study offers evidence of the discriminant validity of the general mental health and physical functioning scales of the sf36.
International quality of life assessment the sf instruments. Item response theory irt methods were used to cocalibrate. The malaysian context distribution, with the peaks at the mmlmum and. Medical outcomes study sf12 physical health composite scale scores. A closer examination of the sf36 mean change scores revealed less variation between the normative sf36 scores and the scores at follow up compared to the baseline score. Pdf the sf36 health survey is a multipurpose, shortform health. Jun 05, 20 theoriginal sf 36 came out from the medical outcome study, mos, done by the rand corporation. The validity of the sf36 in an australian national household. The sf 36 and rand 36 include the same set of items that were developed in the. The scoring system developed for the physical functioning scale pf10, used in both the 149 item medical outcomes study mos functioning and wellbeing profile 2 and the sf 36 health survey 3, is a likert summated rating scale approach 4 in which the total physical functioning score is determined by a simple algebraic sum of the ten. Normbased scoring of the sf36 health profile standardizes. The sf 36 has been linked to utilization of health care services, clinical course of depression and fiveyear survival ware, j. Physical function pf is a common health concept measured in clinical trials and clinical care. The sf 36 is a generic health status questionnaire consisting of eight domains.
Raczek, ab crosssectional data from the medical outcomes study mos were analyzed to test the validity of the mos 36item shortform health survey sf36 scales as measures of. A 36item shortform sf36 was constructed to survey health status in the medical outcomes study. There is considerable evidence for the validity of the sf 36 in a variety of populations including ms. A prospective repeated measures design was used to produce a backspecific version of the short form36 physical functioning scale sf36 pf by rasch analysis of a pool of items from the sf36 pf. Physical activity scale for the elderly rehabmeasures database. The sf 36 is a generic measure of health status as opposed to one that targets a specific age, disease, or treatment group. Each of the 8 scale measures are available as both a raw score and a tscore for all mhos eras sf 36 and vr12. Utility and validity of the selfadministered sf36eemunn chia et al those by singleton and turner, 19 lyons et al, 20 hayes et al 18 and walters et al21 however, studies reporting concerns have suggested its usefulness may be compromised by low response rates, high levels of missing data and the inability. The scales were evaluated by comparing the scores of a cohort of 194 ms patients with general population data and using the expanded disability status scale edss and the incapacity status scalemental as criterion variables for physical functioning and mental health. Comparison of sf36 and whoqol100 in patients with stroke. The validity of the sf36 in an australian national. Correlation of the sf36 physical summary is moderate with the behavioural risk factor surveillance system items pearsons r0.
In phase i, the malay version of the sf 36 was administered to asthmatics at six government hospitals from different regions ofthe country. An analysis of the sf36 physical function subscale and the. Since then a group of researchers from the original study released a commercial version of sf 36while the original sf 36 is available in public domain license free from rand. The sf 36 consists of eight scaled scores, which are the weighted sums of the questions in their section. The sf36 is a generic health status questionnaire consisting of eight domains. The sf36 and whoqol100 quality of life instruments were used in this study. The sf36 includes multiitem scales to measure the following 8 dimensions the question numbers refer to those in exhibit 10. The objective of this study was to develop a crosswalk between scores on the pf10 and haqdi in ra. Cut down the amount of time you spent on work or other activities yes no accomplished less than you would like yes no were limited in the kind of work or other. Mobility disability is a major problem in older people. Set of generic, coherent, and easily administered qualityoflife measures. The sf36 was designed for use in clinical practice and research, health policy evaluations, and general population surveys. Estimates of reliability in the physical and mental sections are typically above 0.
The sf36 includes one multiitem scale that assesses eight health concepts. Ware and sherbourne give an extended description of the origins of the sf 36 and of its links with the other mos instruments 1. Physical functioning pf and social functioning sf also had substantial ceiling effects. Comparison of rand36 emotional wellbeing and physical functioning scales for 2864 people with hiv infection, patients with chronic. Evaluation of the mos sf36 physical functioning scale pf10. Each scale reportedly provides a valid representation of the criterion to be measured ware, 1993. Criterion validity is presented in the sf 36 manual for all dimensions except vitality and social functioning.
L with age, persons tend to score lower on the physical health scale, but better on the mental health scale. Sf36 health survey the sf36 is a multipurpose, 36item survey that measures eight domains of health. Lifespace assessment and physical activity scale for the elderly. Establishing a common metric for physical function. The scoring system for the sf 36 is relatively complex and. Some studies summed the scores of the eight sf36 domains yielding total scores above 100, such as 524. Physical functioning, role physical, bodily pain, general health, vitality, social functioning, role emotional, and mental health. In this analysis we establish the psychometric properties and criterion validity of the sf36. Scoring instructions for the sf36 survey instrument, developed as part of the. Perception of chronic respiratory impairment in patients.
This is a robust finding that can be found in other. The sf36 health survey is a multipurpose, shortform health survey which contains 36 questions. The sf 36 is a multipurpose, shortform health survey with 36 items. Theoriginal sf36 came out from the medical outcome study, mos, done by the rand corporation. Reliability and validity of the sf36 health survey. Physical activity scale for the elderly rehabmeasures. An analysis of the sf36 physical function subscale and. Oct 04, 2016 some studies summed the scores of the eight sf36 domains yielding total scores above 100, such as 524.
This set of questions asks for your views about your health. The short form 36 health survey is a 36item, patientreported survey of patient health. Since then a group of researchers from the original study released a commercial version of sf36while the original sf36 is available in public domain license free from rand. Item response theory irt methods were used to cocalibrate both.
Reproducibility and validity of the physical activity scale for the elderly pase questionnaire in patients after total hip arthroplasty. It yields an 8 scale profile of functional health and wellbeing scores as well as psychometricallybased physical and mental health summary scores and a preferencebased health utility index. It yields an 8scale profile of functional health and wellbeing scores as well as psychometricallybased physical and mental health summary scores and a preferencebased health utility index. The tscores are a linear transformation of the 0100 possible range scoring for the sf 36 vr12 scales that gives every scale a mean of 50 and standard deviation of 10, normed to the us general population. In an ms population, the cronbachs alphas for the various subscales of the sf 36 range from. Short form36 sf36 the medical outcomes study sf36 questionnaire is the most commonly used generic instrument for measuring qol 4,6. Sf 36 scales abbreviation number of items in scale maximum number of items imputed physical health physical functioning pf 10 5 role physical rp 4 2 bodily pain bp 2 1. Vickrey et al, 1995 in vickreys study, the physical functioning and role limitations due to physical problems subscales were the ones that best discriminated between ms patients and the. Overview of the sf36 health survey and the international. The sf 36 is a measure of health status and an abbreviated variant of it, the sf 6d, is commonly used in health economics as a variable in the qualityadjusted life year calculation to determine the costeffectiveness of a health treatment. Longterm functioning and wellbeing outcomes associated with physical activity and exercise in patients with chronic conditions in the medical outcomes study.
Sf36 introduction the sf36 is a multipurpose, shortform health survey with only 36 questions1. As the physical functioning scale pfs of the 36item shortform health survey has not been utilized widely by therapists for this purpose, we sought to investigate its reliability and validity in this population. Short form 36 sf36 spinal cord injury research evidence. Evaluation of the mos sf36 physical functioning scale pf40. Using clinical outcomes to explore the theory of expert. Cut down time roleemotional re physical health mental health 3h. The names of the scales, scale abbreviations, the number of items included in each and the maximum number of items imputed are shown below. Sf36 scales abbreviation number of items in scale maximum number of items imputed physical health physical functioning pf 10 5 role physical rp 4 2 bodily pain bp 2 1. In conclusion, this study offers evidence of the discriminant validity of the general mental health and physical functioning scales of the sf 36. Each of the 8 scale measures are available as both a raw score and a tscore for all mhos eras sf36 and vr12. The original sf36 stemmed from the medical outcome study, mos. Depressed downhearted rolephysical rp items scales component summary measures 02chap02. Psychometric performance of the camphor and sf36 in. Our goal was to establish a common reporting metric, so that scores on commonly used physical function measures can be.
The sf36 is one of the most widely used selfcompletion measures of health status. The sf 36 is one of the most widely used selfcompletion measures of health status. Development and evaluation of a crosswalk between the sf36. Health status questionnaire sf36 national multiple. It yields an eightscale profile of scores as well as physical and mental summary measures. The 10item physical functioning scale pf10, used in both the 149item mos functioning and wellbeing profile 22 and the sf 36 health survey, is an index designed to sample three main attributes of physical functioning. Mean scores on the sf36 subscales are presented in table 2. It yields an eightscale profile of scores as well as summary physical and mental measures. Psychometric and clinical tests of validity in measuring physical and mental health constructs colleen a.
1135 745 155 368 519 1033 532 1133 1203 1318 223 1212 1294 157 357 1450 686 1420 59 592 637 988 1284 591 225 1363 1060 193 817 1176 114 1000 88 1141 1137 1034 1339 988 811 1388 131 1348 418 492 433 798 1046 272