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Content comparison of osteoporosis-targeted health status measures in relation to the International Classification of Functioning, Disability and Health (ICF).

The most frequently used instruments for health-related quality of life (HRQL) in patients with osteoporosis are the Quality of Life Questionnaire of the European Foundation for Osteoporosis (QUALEFFO-41) and the Osteoporosis Assessment Questionnaire (OPAQ 2.0 and OPAQ SV). Since HRQL- and International Classification of Functioning, Disability and Health (ICF)-based approaches have both strengths and weaknesses, it is expected that they will be used simultaneously in clinical practice and research. Therefore, we investigated the relationship between osteoporosis-targeted instruments and the ICF. All three selected instruments cover body functions, including pain in back and emotional functions. Sleep functions and energy are represented in the QUALEFFO-41 and OPAQ 2.0 but not in the OPAQ SV. Body structures and environmental factors are covered only by the OPAQ 2.0 and OPAQ SV. The ICF provides an excellent framework when comparing the content of osteoporosis-targeted HRQL instruments and may be useful when selecting health status instruments for clinical studies.

Activities of Daily Living↗

The implementation of the International Classification of Functioning, Disability and Health in Germany: experiences and problems.

The bio-psycho-social model of the International Classification of Functioning, Disability and Health (ICF) has already found wide acceptance in Germany. In particular, the introduction of contextual factors (environmental factors and personal factors) is welcomed. Several rehabilitation facilities have used the model and the chapters of the revision version (Beta-2) as guidelines for documenting their interviews with rehabilitation patients. Their experiences are encouraging. However, it has already been recognized that coding with the ICF will be difficult and time consuming. Thus, the practicability of the ICF should be improved. Training in the use of the ICF is absolutely essential. It is welcomed that the ICF provides a common vocabulary for both people with disability and for professionals in the fields of rehabilitation and disability. This is particularly important in Germany because we have a rather complicated social system. In contrast to the International Classification of Impairments, Disabilities and Handicaps (ICIDH), the ICF, in general, contains neutral terms only. Many of our physicians in rehabilitation complain about that. Obviously they also need to be able to express the signs and symptoms of restrictions of functioning in negative terms and in this respect they feel that the ICIDH was more helpful. While both the concept of activities and the concept of participation are clearly understood from the point of view of content some of us have severe problems with the operationalization of both concepts via qualifiers. From a theoretical perspective we regret that the concept of activity is not theory driven and that the concept of participation is not operationalized independently from the concept of activity. A proposal for solving these problems is given. In Germany, the ICIDH, or the ICF latterly, has been taken into account in the following areas. The new German Social Code Number IX (SGB IX) from 2001, Rehabilitation and participation of people with disabilities, is based on the ICF. All guidelines and general recommendations within the context of rehabilitation have been adjusted to the ICF. The ICF plays an important role in the training for the medical field of physical medicine and rehabilitation and is also included in the training curricula of the medical specializations of social medicine and rehabilitation. The German research programme "Rehabilitation sciences" includes some projects dealing with the ICF. The model of consequences of diseases (ICIDH) has been part of the rehabilitation quality insurance programme of the German Pension Insurance since 1994. Since 1 April 2004, the institutes of the German Health Insurance have applied the ICF to their rehabilitation application form.

Persons with Disabilities↗

Stuttering and the International Classification of Functioning, Disability, and Health: an update.

UNLABELLED: The World Health Organization (WHO) recently presented a multidimensional classification scheme for describing health status and the experience of disablement. This new framework, the International Classification of Functioning, Disability, and Health (ICF; WHO, 2001), is a revision of WHO's prior framework for describing the consequences of disorders, the International Classification of Impairments, Disabilities, and Handicaps (ICIDH; WHO, 1980). In previous papers, Yaruss had shown how the original ICIDH could be adapted to describe the consequences of stuttering at several levels that are relevant to the communication and life experiences of the person who stutters. The current manuscript presents an update of the Yaruss (1998) model that accounts for the new structure of the ICF. A comparison of the WHO's ICIDH and ICF frameworks is presented, followed by an analysis of how the ICF can be adapted to describe the speaker's experience of the stuttering disorder. Emphasis is placed on the fact that stuttering involves more than just observable behaviors. Specifically, the speaker's experience of stuttering can involve negative affective, behavioral, and cognitive reactions (both from the speaker and the environment), as well as significant limitations in the speaker's ability to participate in daily activities and a negative impact on the speaker's overall quality of life. LEARNING OUTCOMES: As a result of reading this manuscript, participants, willgain an understanding of the updates to the World Health Organization's original International Classification of Impairments, Disabilities, and Handicaps that are seen in the International Classification of Functioning, Disability, and Health understand how the ICF can be applied to the study of stuttering recognize that health conditions such as stuttering are affected by both internal and external factors, and can involve more than just observable behaviors that are seen on the surface.

Disability Evaluation↗

Identification of candidate categories of the International Classification of Functioning Disability and Health (ICF) for a Generic ICF Core Set based on regression modelling.

BACKGROUND: The International Classification of Functioning, Disability and Health (ICF) is the framework developed by WHO to describe functioning and disability at both the individual and population levels.While condition-specific ICF Core Sets are useful, a Generic ICF Core Set is needed to describe and compare problems in functioning across health conditions. METHODS: The aims of the multi-centre, cross-sectional study presented here were: a) to propose a method to select ICF categories when a large amount of ICF-based data have to be handled, and b) to identify candidate ICF categories for a Generic ICF Core Set by examining their explanatory power in relation to item one of the SF-36. The data were collected from 1039 patients using the ICF checklist, the SF-36 and a Comorbidity Questionnaire.ICF categories to be entered in an initial regression model were selected following systematic steps in accordance with the ICF structure. Based on an initial regression model, additional models were designed by systematically substituting the ICF categories included in it with ICF categories with which they were highly correlated. RESULTS: Fourteen different regression models were performed. The variance the performed models account for ranged from 22.27% to 24.0%. The ICF category that explained the highest amount of variance in all the models was sensation of pain. In total, thirteen candidate ICF categories for a Generic ICF Core Set were proposed. CONCLUSION: The selection strategy based on the ICF structure and the examination of the best possible alternative models does not provide a final answer about which ICF categories must be considered, but leads to a selection of suitable candidates which needs further consideration and comparison with the results of other selection strategies in developing a Generic ICF Core Set.

Adolescent↗

Overall Assessment of the Speaker's Experience of Stuttering (OASES): documenting multiple outcomes in stuttering treatment.

UNLABELLED: This paper describes a new instrument for evaluating the experience of the stuttering disorder from the perspective of individuals who stutter. Based on the World Health Organization's International Classification of Functioning, Disability, and Health [World Health Organization (2001). The International Classification of Functioning, Disability, & Health. Geneva: World Health Organization], the Overall Assessment of the Speaker's Experience of Stuttering (OASES) collects information about the totality of the stuttering disorder, including: (a) general perspectives about stuttering, (b) affective, behavioral, and cognitive reactions to stuttering, (c) functional communication difficulties, and (d) impact of stuttering on the speaker's quality of life. This paper summarizes scale development, reliability and validity assessment, and scoring procedures so clinicians and researchers can use the OASES to add to the available evidence about the outcomes of a variety of treatment approaches for adults who stutter. EDUCATIONAL OBJECTIVES: As a result of this activity, participants will be able to: (1) identify key issues related to the documentation of treatment outcomes in stuttering; (2) discuss the components of the international classification of functioning, disability, and health as they relate to the documentation of stuttering treatment outcomes; (3) evaluate and use a new measurement instrument for assessing the outcomes of stuttering treatment from the perspective of the person who stutters.

Adult↗

Measuring participation according to the International Classification of Functioning, Disability and Health (ICF).

PURPOSE: To report which existing survey instruments assess participation according to the International Classification of Functioning, Disability and Health (ICF). METHOD: A literature search for relevant survey instruments was conducted. Subsequently, survey instruments were evaluated of which the complete questionnaire, published in the English language, was obtained. Items on participation were evaluated according to the ICF, defined as involvement in life situations, including being autonomous to some extent or being able to control your own life. RESULTS AND CONCLUSIONS: Eleven survey instruments were identified, of which nine were evaluated on participation. All of the nine instruments measure participation to some extent. The two instruments closest to solely involve items on participation level are the Perceived Handicap Questionnaire (PHQ) and the London Handicap Scale (LHS). The PHQ is measuring the perception of participation. In the LHS, the items are formulated in terms of participation, while the response categories include all components of the ICF, from problems in body function to participation. Much more discussion is needed to be able to get an unambiguous picture to distinguish between activity and participation.

Activities of Daily Living↗

Is there evidence of the International Classification of Functioning, Disability and Health in undergraduate nursing students' patient assessments?

This paper reports on a secondary analysis of undergraduate nursing students' patient assessments while on clinical placement in a rehabilitation setting in search of evidence of the International Classification of Functioning, Disability and Health (ICF). It describes the evolution of the original World Health Organization's International Classification of Impairment, Disability and Handicap into the ICF. Data was analysed using the ICF categories of function, activity, participation, environmental factors and personal factors. Some evidence of ICF was revealed. Nurses are encouraged to further explore the relevance of ICF for nursing.

Activities of Daily Living↗

[The international classification of functioning, disability and health (ICF) in dermatological rehabilitation: conception, application, perspective].

Medical rehabilitation represents the interdisciplinary management of a person's functional health. This term implies concepts of functioning, disability and health and represents the core notion of the international classification of functioning, disability and health (ICF). Four components -- anatomic structure, body functions, activities and participation, environmental factors and personal factors -- make the ICF applicable from a biological, individual and social perspective. At present the ICF is used as a system of classification, a research tool and as a theoretical basis in rehabilitation medicine. Its clinical application will depend on the improvement of its practicability and compatibility with currently used tools in dermatologic rehabilitation. ICF offers the opportunity to define, weight and classify diseases of the skin and their psychosocial consequences.

Dermatology↗

[International classification of functioning, disability and health (ICF) 2001].

The approach which had been being employed to date for dealing with and classifying those aspects related to health and disability have been revised and updated thanks to the World Health Organization (WHO) having drafted the International Classification of Functioning, Disability and Health, which has now been accepted 191 countries after revamping the prior model and reaching a consensus regarding a new international model for describing and measuring health and disability. As background information, it must be recalled that the Classification of Impairments, Disabilities and Handicaps (CIDH) previously in effect was first published by the WHO in 1980. The process of revising this classification has resulted in some changes of far-reaching importance. The change in the name has been aimed at reflecting the wish to replace the negative perspective of impairments, disabilities and handicaps for a more neutral view of structure and function, considering the positive perspectives of activities and of participation. Another new aspect has been that of including a section related to environmental factors in recognition of their importance, given that by interacting with the health condition they may give rise to a disability, or, at the opposite end of the scale, may restore functioning. The data available has enabled the WHO make estimates including that of some 500 million years of life being lost annually due to disabilities related to health problems, which totals over one half of the years lost annually due to premature deaths. The main objective of this new classification is that of providing the conceptual framework by means of unified, standardized language with a view to of the underlying challenges, setting out a valuable instrument of practical use in public health.

Activities of Daily Living↗

Functional Assessment in Migraine (FAIM) questionnaire: development of an instrument based upon the WHO's International Classification of Functioning, Disability, and Health.

OBJECTIVE: The goal of this project was to develop a migraine functional measurement instrument, derived from the World Health Organization International Classification of Impairments, Disabilities, and Handicaps version 2 classification system, which focuses on functional outcomes, and is both reliable and valid. METHODS: The Functional Assessment in Migraine (FAIM) questionnaire was developed using a multistep approach to ensure the brevity, relevance, reliability, and validity of items. A test set of 71 Mental Functioning and 50 Activity and Participation items was generated and administered to migraineurs in the United States and Germany. A subset of 22 Mental Functioning and 28 Activity and Participation items that rated highly on frequency-weighted importance and showed strong psychometric properties was piloted to determine a final item set and to test reliability and validity. RESULTS: The final version of the FAIM included nine Mental Functioning items measuring the dimensions of Attention/Thought (5 items) and Perception (4 items), and a list of 28 Activity and Participation items from which respondents chose the five items most relevant to their lifestyle. Construct validity analysis of FAIM dimensions found significant positive correlations with self-reported symptom severity, moderately significant positive correlations with dimensions of the Migraine-Specific Quality of Life questionnaire and no significant correlation with Short Form Health Survey (SF-12) component scores. CONCLUSION: The FAIM offers physicians a brief and valid method of measuring the impact of migraine on mental functioning and activity and participation as defined by the WHO International Classification of Functioning, Disability, and Health. Additional testing is underway to assess its responsiveness to change.

Adult↗

The International Classification of Functioning, Disability and Health: a new tool for understanding disability and health.

Reliable and timely information about the health of populations is part of the World Health Organization's mandate in the development of international public health policy. To capture data concerning functioning and disability, or non-fatal health outcomes, WHO has recently published the revised International Classification of Functioning, Disability and Health (ICF). In this article, the authors briefly outline the revision process and discuss the rationale for the ICF and the needs that it serves in rehabilitation. The ICF is shown to be an essential tool for identifying and measuring efficacy and effectiveness of rehabilitation services, both through functional profiling and intervention targeting. Existing applications of the ICF in rehabilitation are then surveyed. The ICF, in short, offers an international, scientific tool for understanding human functioning and disability for clinical, research, policy development and a range of other public health uses.

Activities of Daily Living↗

Content comparison of health-related quality of life (HRQOL) instruments based on the international classification of functioning, disability and health (ICF).

The increasing recognition of the patient perspective and, more specifically, functioning and health, has led to an impressive effort in research to develop concepts and instruments to measure them. Health-Related Quality of Life (HRQOL) and the International Classification of Functioning Disability and Health (ICF) represent two different perspectives from which to look at functioning and health. Therefore, it is expected that both will often be used concurrently in clinical practice, research and health reporting. The objective of our study was to examine the relationship between six HRQOL instruments (the SF-36, the NHP, the QL-I, the WHOQOL-BREF, the WHODASII and the EQ-5D) and the ICF. All six HRQOL instruments were linked to the ICF separately by two trained health professionals according to ten linking rules developed specifically for this purpose. The degree of agreement between health professionals was calculated by means of the kappa statistic. Bootstrapped confidence intervals were calculated. In the 148 items of the 6 instruments a total of 226 concepts were identified and linked to the ICF. The estimated kappa coefficients range between 0.82 and 0.98. The concepts contained in the items of the HRQOL instruments were linked to 91 different ICF categories, 17 categories of the component body functions, 60 categories of the component activities and participation, and 14 categories of the component environmental factors. Twelve concepts could not be linked to the ICF at all. In the component body functions, only emotional functions are covered by all examined instruments. In the component activities and participation, all instruments cover aspects of work, but the half of them scarcely cover aspects of mobility. Only four of the six instruments address environmental factors. The ICF proved highly useful for the comparison of HRQOL instruments. The comparison of selected HRQOL instruments may provide clinicians and researchers with new insights when selecting health-status measures for clinical studies.

Activities of Daily Living↗

Linking osteoarthritis-specific health-status measures to the International Classification of Functioning, Disability, and Health (ICF).

OBJECTIVES: The objective of this study was to link the Western Ontario and McMaster Universities (WOMAC) and Lequesne-Algofunctional indices to the ICF on the basis of linking rules developed specifically to accomplish this aim. The linking process enables the understanding of the relationship between health-status measures and the ICF. METHODS: Since the fifth World Health Organisation/International Liege Against Rheumatism (WHO/ILAR) Task Force and the Outcome Measures in Rheumatology Clinical Trials (OMERACT) group recommend the use of WOMAC and the Lequesne-Algofunctional indices in patients with osteoarthritis of the hip and knee in clinical trials, these two health-status measures have been used in this study. Both health-status measures were linked to the ICF separately by two trained health professionals. Consensus between health professionals was used to decide which ICF category should be linked to each item/concept of the two questionnaires. To resolve disagreements between the two health professionals, a third person trained in the linking rules was consulted. RESULTS: Except for the concept of 'morning stiffness', both health professionals agreed on the ICF category chosen to link all the items/concepts of both questionnaires. Altogether, 29 different ICF categories have been linked. Five ICF categories belong to the ICF component 'body functions', 23 categories to the component 'activities and participation', and one category to 'environmental factors'. Both questionnaires have 10 ICF categories in common. CONCLUSIONS: The results of the linking process reflect both the structure of the two questionnaires studied and the relationship between them, showing that the ICF classification can become the cardinal reference for existing health-status measures.

Activities of Daily Living↗

Validating the International Classification of Functioning, Disability and Health Comprehensive Core Set for Rheumatoid Arthritis from the patient perspective: a qualitative study.

OBJECTIVE: To validate the International Classification of Functioning, Disability and Health (ICF) Comprehensive Core Set for Rheumatoid Arthritis (RA) from the patient perspective. METHODS: Patients with RA were interviewed about their problems in daily functioning. Interviews were tape recorded and transcribed verbatim. Interview texts were divided into meaning units. The concepts contained in these meaning units were linked to the ICF according to 10 established linking rules. Of the transcribed data, 15% were analyzed and linked by a second health professional. The degree of agreement was calculated using the kappa statistic. RESULTS: Twenty-one patients were interviewed. Two hundred twenty different concepts contained in 367 meaning units were identified in the qualitative analysis of the interviews and linked to 109 second-level ICF categories. Of the 76 second-level categories from the ICF RA Core Set, 63 (83%) were also found in the interviews. Twenty-five second-level categories, which are not part of the current ICF RA Core Set, were identified in the interviews. The result of the kappa statistic for agreement was 0.62 (95% boot-strapped confidence interval 0.59-0.66). CONCLUSION: The validity of the ICF RA Core Set was supported by the perspective of individual patients. However, some additional issues raised in this study but not covered in the current ICF RA Core Set need to be investigated.

Adolescent↗

The international classification of functioning, disability and health and its application to cognitive disorders.

PURPOSE: This paper describes the conceptual foundation and systematic framework of the International Classification of Functioning, Disability, and Health (ICF) as a mechanism for understanding the course and consequences of various health related states. The specific application of the ICF with persons with cognitive dysfunction is also presented. METHOD: A comprehensive literature review related to the conceptualization of the ICF, its classification scheme and coding process is presented. Information on cognitive disorders including prevalence, functional manifestations and the assessment of a person's cognitive functioning and the applicability of the ICF's holistic classification and coding of cognitive dysfunction within the components of body structure and function, activity and participation, and environmental attributes is also reviewed. CONCLUSION: The ICF has the potential to classify and interpret cognitive deficits on a global level and thereby reflects upon the overall health and functioning of the individual in major life activities. The coding system systematically organizes measures related to the person's cognitive status and the resulting functional outcomes. The ICF focuses on individuals' performance of activities in all aspects of life and validates the independence and well-being of persons with disabilities making it an important instrument to be used by rehabilitation professionals.

Activities of Daily Living↗

Outcome evaluation of the hand and wrist according to the International Classification of Functioning, Disability, and Health.

This article is a brief review of the outcome evaluation of the hand and wrist according to the International Classification of Functioning, Disability, and Health. Several tools currently exist to quantify outcome in hand surgery at the impairment level (eg, mobility, hand strength, cutaneous sensation, dexterity). According to the World Health Organization's paradigm, however, activity limitations and participation restrictions are also clinically relevant. The authors have recently built a measure of an upper limb-impaired individual's ability to manage manual activities in daily life. Participation and quality of life are difficult outcomes to measure because they are multidimensional and depend on such factors as functional abilities, general physical health, financial security, and stability of the social and familial environment.

Activities of Daily Living↗

Terrorism and the international classification of functioning, disability and health: a speculative case study based on the terrorist attacks on New York and Washington.

PURPOSE: To argue that there is a need for a standard classification of functional status to track the consequences of large scale human disasters, such as the terrorist attacks on New York and Washington on September 11, 2001; and that the World Health Organization's International Classification of Functioning, Disability, and Health (ICF) can meet that need. METHOD: The need for tracking functional status following the September 11 attacks is assessed, and three hypothetical case studies of victims of terrorist attacks are presented and coded using a clinical short form of the ICF. RESULTS: It is demonstrated that typical clinical case histories can be coded to the ICF and that the resulting information is useful for tracking the functional consequences of large scale terrorist attacks on civilian populations. CONCLUSIONS: ICF research, development, and training should proceed with the goal of implementing the classification in professions and settings concerned with the functional consequences of terrorist attacks and other human disasters.

Activities of Daily Living↗

Identifying the concepts contained in outcome measures of clinical trials on stroke using the International Classification of Functioning, Disability and Health as a reference.

OBJECTIVES: To systematically identify and quantify the concepts contained in outcome measures in stroke trials using the International Classification of Functioning, Disability and Health (ICF) as a reference. METHODS: Randomized controlled trials between 1992 and 2001 were located in MEDLINE and selected according to predefined criteria. Outcome measures were extracted and concepts contained in the outcome measures were linked to the ICF. RESULTS: A random sample of 160 (50%) of 320 eligible studies was included. A total of 148 standardized health status measures were identified. Of 11,283 extracted concepts, 91% could be linked to the ICF. The most used ICF categories for each component were d450 walking (70%) for activities and participation, b525 defecation functions (62%) for body functions, and e399 support and relationships, unspecified (30%) for environmental factors. CONCLUSION: The ICF provides a useful reference to identify and quantify the concepts contained in outcome measures used in stroke trials. Outcome measurement in stroke refers to an enormous variety of concepts; for comparability of research findings agreement on what should be measured is needed.

Activities of Daily Living↗