World health organization disability assessment schedule ii. Anthony j hill on vimeo, the home for high quality videos and the people who love them. To compare scores on the 36 item who disability assessment schedule 2. The sum score for global disability therefore ranges from 0 no disability to 48 complete disability. The scores assigned to each of the items none 1, mild 2, moderate 3, severe 4. The whodas ii is a multidimensional questionnaire which can be used for measuring the level of disability across various conditions and interventions. Pdf validation of the who disability assessment schedule. Dec 01, 20 whodas scoring test jeffrey ashby, phd, abpp. The apa is offering a number of emerging measures for. Health conditions include diseases or illnesses, other health problems that may be short or long lasting, injuries, mental or emotional problems, and problems with alcohol or drugs. There are two basic options for computing the summary scores for the whodas 2. The resulting shortform survey instrument provides a solution to the problem faced by many investigators who must restrict survey length. Normative data for the 12 item who disability assessment schedule 2. Feasibility and psychometric properties of the german 12item who.
Respondents are asked to state the level of difficulty experienced taking into consideration how they usually do the activity, including the use of any assistive devices andor the help of a person. The 12item whodas ii is widely used for assessing disability among different populations. Validation of the who disability assessment schedule whodas 2. Normative data for the 12 item who disability assessment.
Client name client age gender date this questionnaire asks about. Reference ranges of the who disability assessment schedule. Both the 36 item total scores and those scores calculated considering only the 12 items that integrate the abridged whodas 2. We report the overall factor structure and the distribution of scores and normative data means and sds for people with any physical disorder, any mental disorder. Overall, there were significant improvements in the mean scores on the womac and on the 12 item whodas 2. The scores assigned to each of the items none 1, mild 2, moderate 3, severe 4, and. Pdf the 12item selfreport world health organization. Although a close relationship between these two scales would be expected, there are no relevant studies on the topic.
The 12item short form health survey sf12 was developed for the medical outcomes study mos, a multiyear study of patients with chronic conditions. Part 2 practical aspects of administering and scoring whodas 2. The 12item whodas ii was administered by the general practitioners during the. Page 1 of 2 12 item, selfadministered 12 item version, selfadministered this questionnaire asks about difficulties due to health conditions. Pdf the 12item selfreport world health organization disability. This paper provides age and sexspecific norms for the whodas 2. It takes the coding for each item response as none, mild, moderate, severe, and extreme separately, and then uses a computer to. Whodas 36 scores were higher among women with hypertensive complications19.
Validation of the who disability assessment schedule whodas. Results were very similar table 3 when analyzed for different percentiles. In the past 30 days, how much difficulty did you have in. Comparison of the responsiveness of the womac and the 12. Feasibility and psychometric properties of the german 12item. For 96% of the subjects, the whodas disability score could be computed.
Social security disability mental health claimshow to use gaf scores duration. Whodas 12 demonstrated agreement with whodas 36 for total score and was a good instrument for screening functioningand disability among postpartum women, with and without smm. If respondents report that the lack of washing is not due to a health condition, then code the item na for not applicable. Psychometric properties of the world health organization.
May 23, 2016 universal usage of this instrument will synchronize disability data across various countries and help in international comparison. Complicationsduring pregnancy, childbirth, and the puerperium increase longterm whodas 36 scores, demonstratinga persistent impact on functioning. May 23, 2018 to evaluate the performance of the 12. Pdf world health organization disability assessment. To determine whether the world health organization disability assessment schedule 2.
This report provides normative data from a population survey using the 12 item version of the whodas 2. Thus, the purpose of this manuscript is to examine the reliability and construct validity of the 12 item world health organization disability assessment schedule 2. World health organization disability assessment schedule 2. Specifically, we attempted to replicate the sixfactor structure of the whodas 2. It was hypothesized that a simple sum method of scoring the whodas 2. Manual for who disability assessment schedule whodas 2. The 12item world health organization disability assessment. If respondents report that it is not due to a health condition, then code the item na. Both questionnaires can be completed by the patient, clinicians, friends, andor relatives. Medical outcomes study 12item shortform health survey. This is a secondary analysis of the brazilian retrospective cohort study on long. Receiver operating characteristic roc curve analysis showed that a score of 23 on whodas 2. Additionally, roc curve showed that whodas is an accurate test to measure psychiatric disability.
Participants were consecutively recruited from the brain and mind centre in new south wales, australia. Sensitivity of 12 item whodas aim 3 we compared the companion 12 item whodas total to the tfc and companion 36 item whodas total, focusing on companions because they better detected longitudinal. Extended report assessment of disability with the world. Ii showed adequate internal consistency for all domain scores. All items relate to individuals difficulties in functioning within past 30 days. Correlation analysis showed that changes in the womac and 12 item whodas 2. This questionnaire asks about difficulties due to health conditions. The more complex method of scoring is called itemresponsetheory irtbased scoring.
This scoring method involved recoding specific items before converting the total score into a percentage. It is based on the international classification of functioning, disability and health icf. Page 2 of 2 12 item, selfadministered 12 self this completes the questionnaire. Dsm5 indicates that simple scoring may be the method of. In this study, we sought to find out the cutoff point in whodas 2. If respondents report that it is due to a health condition, then code the item 5 for extreme or cannot do. This study aimed at assessing the psychometric properties of the persian version of the 12item whodas ii among trauma patients.
Step 3 converting the summary score into a metric ranging from 0 to 100 where 0 no disability. Validation of the who disability assessment schedule. The scores assigned to each of the itemsnone 1, mild 2, moderate 3, severe 4, and. The 12 item whodas ii is widely used for assessing disability among different populations. The 12 item whodas includes two items from each domain, with a total score computed as the sum of the 12 items. However, several challenges emerge in attempting to use whodas 2. Pdf normative data for the 12 item who disability assessment. In this case, ask whether this situation is due to a health condition as defined by whodas 2. Step 1 summing of recoded item scores within each domain.
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