The sf 6d is a classification for describing health derived from a selection of sf 36 items. The sf12 is a selfreported outcome measure assessing the impact of health on. It provides a comprehensive, psychometrically sound, and efficient way to measure health from the patients point of view by scoring standardized responses to standard questions. This information will help keep track of how you feel and how well you are able to do your usual activities. Please note that due to the proprietary nature of the onqi algorithm, some excerpts and details are omitted from the manual. The short form 12 version 2 sf 12v2 is a shorter version of the short form36 version 2 sf 36v2 for assessing healthrelated quality of life. Taking only two to three minutes to complete, the sf12v2 is a practical, reliable and valid measure of physical and mental health. How to score the sf 12 physical and mental health summary scales find, read and cite all the research you need on researchgate. The resulting shortform survey instrument provides a solution to the problem faced by many investigators who must restrict survey length. This is a generic assessment of healthrelated quality of life hr qol from the clientpatients perspective.
There are two forms of output from scoring the ipaq. Any patient who completes the sf 36 or the sf 12 can be uniquely classified according to the sf 6d. Ttests were conducted to determine if sf 12 summary scores and the number of reported symptoms and conditions differed by gender. The mental component of the shortform 12 health survey. Use of the sf12 instrument for measuring the health of. All four summary scores range from 0100 where higher scores indicated better qol. There are two versions of the sf12 which have some differences in scoring so. Because the scoring method described here a simpler and more straightforward procedure differs from that of the mos sf 36, persons using this scoring method should refer to the instrument as rand 36item health survey 1. The optum sf12v2 health survey is a shorter version of the sf36v2 health survey that uses just 12 questions to measure functional health and wellbeing from the patients point of view. The pdf version of that measure has the correct values for each response option. All questions are scored on a scale from 0 to 100, with 100 representing the highest level of functioning possible. Sf12 health survey this survey asks for your views about your health. Deriving sf12v2 physical and mental health summary scores.
However, few studies have investigated the reliability of sf 12, including both sf 12 versions 1 sf 12v1 and 2 sf 12v2 among populations with mental health conditions. Didnt do work or other activities as carefully as usual. Conversely, the brp 12 scoring is based on a twofactor irt graded response model directly applied to the sf 12 items, where all items are allowed to load on both dimensions, much in the fashion of the sf 12 mcs 12, and the correlation between both dimensions is set to 0. Measurement instruments in lasa the sf 12 health survey is a multipurpose shortform sf generic measure of health status. In general, researchers should be wary of using factor scores based on orthogonal rotation, which assumes that measures are uncorrelated. Free online sf12 score calculator sf12 orthotoolkit.
Aggregate scores are compiled as a percentage of the total points possible, using the rand scoring table step i chart. Instructions for manual scoring for a given short form, each response option is assigned a value e. During the past 4 weeks, were you limited in the kind of work you do or other regular activities as a result of any emotional problems such as feeling depressed or anxious. This information will help you keep track of how you feel and how well you are able to do your usual activities.
Normative data of the sf12 health survey with validation. How to score the sf12 physical and mental health summary scales find, read and cite all the research you need on researchgate. Short form 12 item version 2 health survey rehabmeasures. The sf 12 was created to reduce the burden of response the sf 12 uses the same eight domains as the sf. Differently from the classical sf 12 and the rand 12 models, brp 12. This study derives new summary scores based directly on sf 12v2 data from a recent u. Summary scores for the sf 12, version 2 sf 12v2 health status measure are based on scoring coefficients derived for version 1 of the sf 36, despite changes in item wording and response scales and despite the fact that sf 12 scales only contain a subset of sf 36 items. The sf 12 measures physical and mental health by means of two summary scores. Sf12 health survey scoring demonstration this survey asks for your views about your health.
Sf 36 introduction the sf 36 is a multipurpose, shortform health survey with only 36 questions1. Results can be reported in categories low activity levels, moderate activity levels or high activity levels or as a continuous variable met minutes a week. L the sf12 consists of 12 survey questions, shown in the following bar charts. General scoring information and steps for data entry and scoring that are common to all items are discussed first see figure 6. As a user, you may want to first select an appropriate administration modality for your own study. The interpretation of sf36v2 health survey results has been greatly simplified with the normbased scoring of its health domain scales and component summary measures. The 12 item short form health survey sf 12 was developed for the medical outcomes study mos, a multiyear study of patients with chronic conditions. An excerpt from the users manual for the sf 36v2 health survey, second edition, chapter 7, pages 8184. The sf 12 is a multipurpose short form survey with 12 questions, all selected from the sf 36 health survey ware, kosinski, and.
As the sf 12v2 could not be resolved into the physical and mentalcomponent summary score pcs and mcs, respectively in the general population of singapore, this study aims to determine. Scoring and interpretation instructions can be found in the users manual. It is because of this inherent variation sf12 scores have over the lifespan that it is. The programmes which are available from our website derive the sf 6d from either the sf 12 or the sf 36 and therefore to use these algorithms you need to include the sf 12 or sf 36 in your study. The sf 12 is a wellvalidated health inventory containing 12 questions on a number of dimensions of physical and mental health symptoms and functioning. Scoring the international physical activity questionnaire. The sf 12 is a multipurpose short form survey with 12 questions, all selected from the sf 36 health survey ware, kosinski, and keller, 1996. Scoring the auasi and sf 12 scoring the aua symptom index. International quality of life assessment the sf instruments.
The shortform 12 health survey, version 1 sf 12v1, is a generic healthrelated qualityoflife instrument. It is recommended that users base their interpretations on normbased scores mean 50, 10 rather than 0100 sd scores. Nlsy respondents in 2008 have higher mcs scores than the overall population and similar pcs scores. The remainder of this users manual provides a set of options and instructions to help users administer ascqme. Given the need to update the 2007 scoring manual and address a changed digital information landscape, the board of directors of the aasm mandated that the scoring manual be published online with regular updates as necessary. It was originally developed in 1994 as a shorter alternative 12 items to the widely used shortform 36 health survey sf 36, for studies in which a 36item form was too long. Scoring the auasi and sf12 scoring the aua symptom index. I have the scoring manual for the sf 12 v1 from 1998, but i have. Survey is administered as a questionnaire and can be selfadministered or completed through an interview. Measuring physical and mental health using the sf12. Rand recommends the following straightforward approach to scoring the rand 36 item health survey. In chapters 2 and 3, we describe the administration process by.
Two summary scores are reported from the sf 12 a mental component score mcs 12 and a physical component score pcs 12. It is particularly useful in large population health surveys or. The sf 12 is a selfreported outcome measure assessing the impact of health on an individuals everyday life. Scores can range from 10 50, with lower scores representinglower levels of negative affect. This chapter provides scoring instructions for the eight multiitem scales and for the reported health transition item included in the sf 36 health survey. For example, the raw score for physical function is transformed by subtracting 83. The second measure is the physical health summary score from the short form 12 sf 12 contained in the meps adult saq asked in the middle to later part of each calendar year.
It is a subset of the larger sf 36 and monitors health in. However, i m sending you the link of the manual i found at. Generic patientreported outcome pro measures like the sf 12 assess general health and wellbeing or healthrelated quality of life hrqol, including the impact of any and all illnesses on a broad range of. It was originally developed in 1994 as a shorter alternative to the sf 36, for studies in which a 36item form was too long. It is often used as a quality of life measure the sf 12 is a shortened version of its predecessor, the sf 36, which itself evolved from the medical outcomes study. Form copy of questionnaire brief pain inventory users guide cleeland cs. The sf 12 health survey pcs and mcs scores the short form 12 health survey measures generic health concepts relevant across age, disease, and treatment groups. Answer every question by selecting the answer as indicated.
The sf 12 was constructed using questions drawn from each of the 8 dimensions of the mos 36 item short form survey sf 36. Is the standard sf 12 health survey valid and equivalent for a chinese population. It is particularly useful in large population health. To evaluate the construct validity of the short form 12 item survey sf 12 among users of a homeless day shelter. However, changes were made to question wording, instructions and formatting. Sf 12v2 is a shortened form 12 items of the sf 36v2 health survey.
There are 3 steps involved in calculating the sf12 physical component summary pcs and mental component. Description the sf12 is a compact, stereophonic ribbon microphone array consisting of two matched microphone elements that are placed one above the other. Users manual for the medical outcomes study mos core measures of healthrelated. Interpreting the sf12 the results for this report are based on the responses of 7,520 respondents in the 2001 utah health status survey hss. Assessing the reliability of the short form 12 sf12 health. Scoring instructions for mos 12item short form survey instrument sf12. A 12 item shortform health survey construction of scales and preliminary tests of reliability and validity john e. Pdf deriving sf12v2 physical and mental health summary. Sf36 introduction the sf36 is a multipurpose, shortform health survey with only 36 questions1.
The sf 12 contains one or two items that measure each of the eight concepts included in the sf 36. It is designed to have similar performance to the sf 36, while taking less time to complete. L the 12 bar charts below have been constructed with the highest. The sf 12 health survey measures several health status indicators. Similarly, in the case of the mcs this involved multiplying each sf 36 scale z score by its respective factor score coeycient. If you need to change an answer, completely erase the incorrect mark and fill. The optum sf 12v2 health survey is a shorter version of the sf 36v2 health survey that uses just 12 questions to measure functional health and wellbeing from the patients point of view taking only two to three minutes to complete, the sf 12v2 is a practical, reliable and valid measure of physical and mental health. Comparing the sf12 and sf36 health status questionnaires in. How to score version 2 of the sf12 health survey with a. Mar 19, 20 in this edition of qm university, we tell the story of the sf health surveys. The sf 36 was constructed to answer criticisms of limitations in the sf 20.
It is recommended that community surveys that measure physical and mental functioning using the sf 12 items generate summary scores using the rand 12 protocol in addition to the sf 12 approach. How to score version 2 of the sf 12 health survey with a supplement documenting version 1 author. Sf12v2 is a shortened form 12 items of the sf36v2 health survey. I was about to use it but instead i chose sf 36 due to scoring difficulties.
Check for missing or outofrange values for items 1122 sf 12 portion of combined survey. Evidence from numerous focus groups and empirical studies in the us, canada, the. How to score version 2 of the sf12 health survey with a supplement documenting version 1 author. Assessing the reliability of the short form 12 sf12. Is the standard sf12 health survey valid and equivalent.
Scoring the sf 12 scoring the medical outcomes study sf 12. Reporting and interpretation of sf36 outcomes in randomised. How to score the sf 12 physical and mental health summary scales find, read and. To find the total raw score, sum the values of the response to each question. The main objective of this manual is to document and explain each step in the scoring of sf12v2 scales and summary measures using normbased scoring nbs algorithms. If you are unsure how to answer a question, please give the best answer you can. There are 3 steps involved in calculating the sf 12 physical component summary pcs and mental component summary mcs scores. You need to calculate a total summed raw score for each respondent. In this edition of qm university, we tell the story of the sf health surveys.
Interpreting the sf 12 the results for this report are based on the responses of 7,520 respondents in the 2001 utah health status survey hss. Finally, these scores were standardised to a t score where the mean was set to 50 and the standard deviation to 10. The percentages reflect the distribution of responses of the 6,1 survey respondents, weighted to reflect the age, ses, hispanic status, and geographic distribution of adults age 18 or over in utah. We also calculated sf12 component summary scores pcs12 and mcs12 using sf12 items embedded in the sf36 1. There are 3 steps involved in calculating the sf 12 physical component summary pcs and mental component. Ware je, kosinski m, and keller sd a 12 item shortform health. Add the scores on items 2, 4, 6, 7, 8, 11, 15, 18, and 20. Adding brief health assessments has potential to provide information regarding the effect that programs have upon the health status and functioning of homeless persons.
The sf 12 scoring manual also indicates that for u. The aim of this study was to determine if the standard sf 12 was valid and equivalent for a chinese population. It yields an 8scale profile including functional health, and mental health. Validity of a revised short form12 health survey version. A scoring manual committee was established to oversee the content and to. Summary scores for the sf 12, version 2 sf 12v2 health status measure are based on scoring coefficients derived for version 1 of the sf 36, despite changes in item wording and response scales and despite the fact that sf 12 scales only contain a. The main objective of this manual is to document and explain each step in the scoring of sf 12v2 scales and summary measures using normbased scoring nbs algorithms. Sf 36 scale z score by its respective factor score coeycient. Scoring the rand 36item health survey is a twostep process. Keller, phd regression methods were used to select and score 12 items from the medi cal outcomes study 36item shortform health survey sf 36 to reproduce. The mental component of the shortform 12 health survey sf. Chinese is the world s largest ethnic group but few healthrelated quality of life hrqol measures have been tested on them. Additional analyses compared the sf 12 scores of the homeless sample to the sf 12 scores of the household sample.
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