The Experts below are selected from a list of 324 Experts worldwide ranked by ideXlab platform
Jordi Alonso - One of the best experts on this subject based on the ideXlab platform.
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Using the Nottingham Health Profile (NHP) among Older Adult Inpatients with Varying Cognitive Function
Quality of Life Research, 2006Co-Authors: Eva Baró, Montse Ferrer, Olga Vázquez, Ramón Miralles, Angels Pont, Asunción Esperanza, Antoni Ma Cervera, Jordi AlonsoAbstract:Background : High rates of missing, non-applicable items and insufficient reliability have been frequently reported as limitations of the generic Quality of Life questionnaires for older patients. The Nottingham Health Profile (NHP) might be more suitable as it contains easy to respond (yes/no) items covering moderate-to-severe Health deterioration. Objectives : To assess feasibility, reliability and validity of the NHP in disabled, older patients. Design : Cross-sectional study. Setting : Acute care hospital. Subjects : 134 inpatients aged ≥65 with severe disability, abnormal cognitive function, or other persistent Health problems precluding their discharge. Methods : The (interviewer-administered) NHP, Mini-Mental State Examination (MMSE), Barthel Index, and diagnostic information were recorded. Results : Completion rates varied from 98% of the 49 patients with normal cognition (MMSE ≥21) and 86.3% of the 51 with moderate cognitive impairment (MMSE 10–20), to 5.9% of the 34 with severe cognitive impairment (MMSE
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using the Nottingham Health Profile nhp among older adult inpatients with varying cognitive function
Quality of Life Research, 2006Co-Authors: Eva Baró, Montse Ferrer, Olga Vázquez, Ramón Miralles, Angels Pont, Asunción Esperanza, Antoni Ma Cervera, Jordi AlonsoAbstract:Background: High rates of missing, non-applicable items and insufficient reliability have been frequently reported as limitations of the generic Quality of Life questionnaires for older patients. The Nottingham Health Profile (NHP) might be more suitable as it contains easy to respond (yes/no) items covering moderate-to-severe Health deterioration. Objectives: To assess feasibility, reliability and validity of the NHP in disabled, older patients. Design: Cross-sectional study. Setting: Acute care hospital. Subjects: 134 inpatients aged ≥65 with severe disability, abnormal cognitive function, or other persistent Health problems precluding their discharge. Methods: The (interviewer-administered) NHP, Mini-Mental State Examination (MMSE), Barthel Index, and diagnostic information were recorded. Results: Completion rates varied from 98% of the 49 patients with normal cognition (MMSE ≥21) and 86.3% of the 51 with moderate cognitive impairment (MMSE 10–20), to 5.9% of the 34 with severe cognitive impairment (MMSE<10). Cronbach’s alpha of the total NHP score was near 0.9 (0.82 and 0.87 for patients with MMSE ≥ 21 and 10–20, respectively; p = 0.291). The correlation between ‘Physical Mobility’ of the NHP and Barthel Index was also similar in both cognitive groups (0.39 and 0.40). Conclusion: Interviewer-administered NHP is suitable, reliable and valid, even in patients with moderate cognitive function.
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Exploring Health preferences in sociodemographic and Health related groups through the paired comparison of the items of the Nottingham Health Profile
Journal of epidemiology and community health, 2000Co-Authors: Luis Prieto, Jordi AlonsoAbstract:BACKGROUND Preference weighted measures of Health related quality of life are necessary for cost effectiveness calculations involving quality of life adjustment. There are conflicting data about the influence of factors such as sociodemographic and Health related variables on Health preferences. STUDY OBJECTIVE The relative values attached to the items of the Spanish version of the Nottingham Health Profile (NHP) were assessed to make comparisons across social and Health subgroups. DESIGN AND PARTICIPANTS Preference values were obtained in sets of 250 to 253 persons (total n=1258) using the method of paired comparisons after all possible pairs of NHP items had been presented to respondents for judgement of severity. χ 2 Tests and Spearman9s correlations among item ranks were calculated. MAIN RESULTS Findings show that preferences elicited with the method of paired comparisons are consistent and independent of the sample from which they are obtained (mean correlation coefficients across subgroups range from 0.87 to 0.96). Conclusion —The evaluation of Health did not seem to be related to sociodemographic variables (gender, age, social class) or to the Health status of the respondents, suggesting that Health preferences are stable across different populations.
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Rasch Measurement for Reducing the Items of the Nottingham Health Profile.
Journal of outcome measurement, 1998Co-Authors: Luis Prieto, Jordi Alonso, Rosa Lamarca, Benjamin D. WrightAbstract:The present study aimed to develop a short form of the Spanish version of the Nottingham Health Profile (NHP) by means of Rasch analysis. Data from several Spanish studies that included the NHP since 1987 were collected in a common database. Forty-five different studies were included, covering a total of 9,419 subjects both from the general population and with different clinical pathologies. The overall questionnaire (38 items) was simultaneously analyzed using the dichotomous response model. Parameter estimates, model-data fit and separation statistics were computed. The items of the NHP were additionally regrouped into two different scales: Physical (19 items) and Psychological (19 items). Separated Physical and Psychological parameter estimates were produced using the simultaneous item calibrations as anchor values. Misfitting items were deleted, resulting in a 22 item final short form (NHP22)-11 Physical and 11 Psychological-. The evaluation of the item hierarchies confirmed the construct validity of the new questionnaire. To demonstrate the invariance of the NHP22 item calibrations, Rasch analyses were performed separately for each study included in the sample and for several sociodemographic and Health status variables. Results confirmed the validity of using the NHP22 item calibrations to measure different groups of people categorized by gender, clinical and Health status.
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Are results of the SF-36 Health survey and the Nottingham Health Profile similar?: A comparison in COPD patients☆
Journal of clinical epidemiology, 1997Co-Authors: Luis Prieto, Jordi Alonso, Montse Ferrer, Josep M. AntóAbstract:Abstract A number of questionnaires have been used to assess the Health-related quality of life of patients with chronic obstructive pulmonary disease (COPD). The study compares the performance of the SF-36 and the Nottingham Health Profile (NHP) in a sample of 321 male patients with COPD. Score distributions, reliability estimates, and several item scaling tests, including Rasch analysis were compared. Finally, we assessed the relative ability of the two instruments considered in discriminating different levels of disease severity by comparing: (a) their correlations with dyspnea and %FEV 1 ; the receiver operating characteristic (ROC) curves; and the F-statistics. The SF-36 scores were less skewed and more homogeneously distributed than NHP scores. Item scaling tests and reliability estimates showed a better performance of SF-36 items and scales. Nevertheless, results of Rasch analysis evidenced that both instruments have very similar scaling characteristics. Validity results did not show a consistent pattern of superiority for either of the instruments. For the physical domain, correlations of NHP and SF-36 scores with %FEV 1 and dyspnea were very similar and substantial ( r ≥ 0.30). F-statistics showed that SF-36 physical scale was more precise (86%) than the NHP counterpart in discriminating among levels of dyspnea and %FEV 1 impairment. Nevertheless, the ROC curve and its associated area under the curve did not show a significant difference ( p > 0.10). Overall results suggest that both instruments are similar in discriminating among different levels of respiratory impairment.
Josep M. Antó - One of the best experts on this subject based on the ideXlab platform.
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Are results of the SF-36 Health survey and the Nottingham Health Profile similar?: A comparison in COPD patients☆
Journal of clinical epidemiology, 1997Co-Authors: Luis Prieto, Jordi Alonso, Montse Ferrer, Josep M. AntóAbstract:Abstract A number of questionnaires have been used to assess the Health-related quality of life of patients with chronic obstructive pulmonary disease (COPD). The study compares the performance of the SF-36 and the Nottingham Health Profile (NHP) in a sample of 321 male patients with COPD. Score distributions, reliability estimates, and several item scaling tests, including Rasch analysis were compared. Finally, we assessed the relative ability of the two instruments considered in discriminating different levels of disease severity by comparing: (a) their correlations with dyspnea and %FEV 1 ; the receiver operating characteristic (ROC) curves; and the F-statistics. The SF-36 scores were less skewed and more homogeneously distributed than NHP scores. Item scaling tests and reliability estimates showed a better performance of SF-36 items and scales. Nevertheless, results of Rasch analysis evidenced that both instruments have very similar scaling characteristics. Validity results did not show a consistent pattern of superiority for either of the instruments. For the physical domain, correlations of NHP and SF-36 scores with %FEV 1 and dyspnea were very similar and substantial ( r ≥ 0.30). F-statistics showed that SF-36 physical scale was more precise (86%) than the NHP counterpart in discriminating among levels of dyspnea and %FEV 1 impairment. Nevertheless, the ROC curve and its associated area under the curve did not show a significant difference ( p > 0.10). Overall results suggest that both instruments are similar in discriminating among different levels of respiratory impairment.
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Scaling the Spanish version of the Nottingham Health Profile: evidence of limited value of item weights.
Journal of clinical epidemiology, 1996Co-Authors: Luis Prieto, Jordi Alonso, M.c. Viladrich, Josep M. AntóAbstract:The Nottingham Health Profile (NHP) is a measure of Health status developed in Great Britain and adapted into Spanish. the objective of the study was to obtain item weights for the Spanish version and to compare them with those of the original instrument, to further asses the cross-cultural equivalence of the new version. The usefulness of using weights in obtaining scores for the Spanish version was also evaluated. Weights for the Spanish items were obtained using Thurstone's method of paired comparisons in a sample of 1123 individuals. Correlations between Spanish and English weights ranged from 0.72 to 0.93. A comparison between unweighted, weighted, and randomly weighted NHP scores was also performed. Results showed extremely high correlations between these scoring strategies, and a similar consistently satisfied using unweighted scores. Item weights comparison provided evidence of the cross-cultural equivalence of the adapted version. Nevertheless, the unweighted NHP scoring is recommended because weighted NHP items do not improve the psychometric properties of the instrument.
Luis Prieto - One of the best experts on this subject based on the ideXlab platform.
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Exploring Health preferences in sociodemographic and Health related groups through the paired comparison of the items of the Nottingham Health Profile
Journal of epidemiology and community health, 2000Co-Authors: Luis Prieto, Jordi AlonsoAbstract:BACKGROUND Preference weighted measures of Health related quality of life are necessary for cost effectiveness calculations involving quality of life adjustment. There are conflicting data about the influence of factors such as sociodemographic and Health related variables on Health preferences. STUDY OBJECTIVE The relative values attached to the items of the Spanish version of the Nottingham Health Profile (NHP) were assessed to make comparisons across social and Health subgroups. DESIGN AND PARTICIPANTS Preference values were obtained in sets of 250 to 253 persons (total n=1258) using the method of paired comparisons after all possible pairs of NHP items had been presented to respondents for judgement of severity. χ 2 Tests and Spearman9s correlations among item ranks were calculated. MAIN RESULTS Findings show that preferences elicited with the method of paired comparisons are consistent and independent of the sample from which they are obtained (mean correlation coefficients across subgroups range from 0.87 to 0.96). Conclusion —The evaluation of Health did not seem to be related to sociodemographic variables (gender, age, social class) or to the Health status of the respondents, suggesting that Health preferences are stable across different populations.
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Rasch Measurement for Reducing the Items of the Nottingham Health Profile.
Journal of outcome measurement, 1998Co-Authors: Luis Prieto, Jordi Alonso, Rosa Lamarca, Benjamin D. WrightAbstract:The present study aimed to develop a short form of the Spanish version of the Nottingham Health Profile (NHP) by means of Rasch analysis. Data from several Spanish studies that included the NHP since 1987 were collected in a common database. Forty-five different studies were included, covering a total of 9,419 subjects both from the general population and with different clinical pathologies. The overall questionnaire (38 items) was simultaneously analyzed using the dichotomous response model. Parameter estimates, model-data fit and separation statistics were computed. The items of the NHP were additionally regrouped into two different scales: Physical (19 items) and Psychological (19 items). Separated Physical and Psychological parameter estimates were produced using the simultaneous item calibrations as anchor values. Misfitting items were deleted, resulting in a 22 item final short form (NHP22)-11 Physical and 11 Psychological-. The evaluation of the item hierarchies confirmed the construct validity of the new questionnaire. To demonstrate the invariance of the NHP22 item calibrations, Rasch analyses were performed separately for each study included in the sample and for several sociodemographic and Health status variables. Results confirmed the validity of using the NHP22 item calibrations to measure different groups of people categorized by gender, clinical and Health status.
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Are results of the SF-36 Health survey and the Nottingham Health Profile similar?: A comparison in COPD patients☆
Journal of clinical epidemiology, 1997Co-Authors: Luis Prieto, Jordi Alonso, Montse Ferrer, Josep M. AntóAbstract:Abstract A number of questionnaires have been used to assess the Health-related quality of life of patients with chronic obstructive pulmonary disease (COPD). The study compares the performance of the SF-36 and the Nottingham Health Profile (NHP) in a sample of 321 male patients with COPD. Score distributions, reliability estimates, and several item scaling tests, including Rasch analysis were compared. Finally, we assessed the relative ability of the two instruments considered in discriminating different levels of disease severity by comparing: (a) their correlations with dyspnea and %FEV 1 ; the receiver operating characteristic (ROC) curves; and the F-statistics. The SF-36 scores were less skewed and more homogeneously distributed than NHP scores. Item scaling tests and reliability estimates showed a better performance of SF-36 items and scales. Nevertheless, results of Rasch analysis evidenced that both instruments have very similar scaling characteristics. Validity results did not show a consistent pattern of superiority for either of the instruments. For the physical domain, correlations of NHP and SF-36 scores with %FEV 1 and dyspnea were very similar and substantial ( r ≥ 0.30). F-statistics showed that SF-36 physical scale was more precise (86%) than the NHP counterpart in discriminating among levels of dyspnea and %FEV 1 impairment. Nevertheless, the ROC curve and its associated area under the curve did not show a significant difference ( p > 0.10). Overall results suggest that both instruments are similar in discriminating among different levels of respiratory impairment.
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Scaling the Spanish version of the Nottingham Health Profile: evidence of limited value of item weights.
Journal of clinical epidemiology, 1996Co-Authors: Luis Prieto, Jordi Alonso, M.c. Viladrich, Josep M. AntóAbstract:The Nottingham Health Profile (NHP) is a measure of Health status developed in Great Britain and adapted into Spanish. the objective of the study was to obtain item weights for the Spanish version and to compare them with those of the original instrument, to further asses the cross-cultural equivalence of the new version. The usefulness of using weights in obtaining scores for the Spanish version was also evaluated. Weights for the Spanish items were obtained using Thurstone's method of paired comparisons in a sample of 1123 individuals. Correlations between Spanish and English weights ranged from 0.72 to 0.93. A comparison between unweighted, weighted, and randomly weighted NHP scores was also performed. Results showed extremely high correlations between these scoring strategies, and a similar consistently satisfied using unweighted scores. Item weights comparison provided evidence of the cross-cultural equivalence of the adapted version. Nevertheless, the unweighted NHP scoring is recommended because weighted NHP items do not improve the psychometric properties of the instrument.
Atilla Akkoçlu - One of the best experts on this subject based on the ideXlab platform.
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comparison of short form 36 Health survey and Nottingham Health Profile in moderate to severe patients with copd
Journal of Evaluation in Clinical Practice, 2008Co-Authors: Sevgi Ozalevli, Hayriye Kul Karaali, Feyzan Cankurtaran, Oguz Kilinc, Atilla AkkoçluAbstract:Objective To compare the Health-related quality of life (HRQoL) assessed by Short Form-36 Health Survey (SF-36) and Nottingham Health Profile (NHP) on the basis of lung function and exercise capacity parameters in patients with moderate to severe chronic obstructive pulmonary disease (COPD). Methods and materials The investigation was a prospective, quality-of-life survey and cross-sectional study of 130 consecutive COPD patients. The NHP and SF-36 as generic HRQoL instruments, the Chronic Respiratory Disease questionnaire (CRQ) as a disease-specific HRQoL instrument and 6-minute walking test, severity of dyspnea, leg fatigue and lung function, were the measurements and instruments used in the study. Results It was determined that the subscales of both questionnaires were generally related with the FEV1, walking distance, CRQ, severity of dyspnea and leg fatigue values (P < 0.05). The much higher correlation coefficient was determined between these parameters and NHP compared with the SF-36. Only NHP was found to be correlated with the age, body mass index and smoking consumption (P < 0.05). Conclusions The stronger relation of NHP with the clinical and physical parameters of the patients compared with that of SF-36 may be associated with the increased sensitivity of NHP to the clinical state owing to the increasing respiratory symptoms of our old patients with moderate to severe obstruction and/or the more intelligible and easy-to-respond nature of NHP compared with SF-36.
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Comparison of Short Form‐36 Health Survey and Nottingham Health Profile in moderate to severe patients with COPD
Journal of evaluation in clinical practice, 2008Co-Authors: Sevgi Ozalevli, Hayriye Kul Karaali, Feyzan Cankurtaran, Oguz Kilinc, Atilla AkkoçluAbstract:Objective To compare the Health-related quality of life (HRQoL) assessed by Short Form-36 Health Survey (SF-36) and Nottingham Health Profile (NHP) on the basis of lung function and exercise capacity parameters in patients with moderate to severe chronic obstructive pulmonary disease (COPD). Methods and materials The investigation was a prospective, quality-of-life survey and cross-sectional study of 130 consecutive COPD patients. The NHP and SF-36 as generic HRQoL instruments, the Chronic Respiratory Disease questionnaire (CRQ) as a disease-specific HRQoL instrument and 6-minute walking test, severity of dyspnea, leg fatigue and lung function, were the measurements and instruments used in the study. Results It was determined that the subscales of both questionnaires were generally related with the FEV1, walking distance, CRQ, severity of dyspnea and leg fatigue values (P
Ingalill Rahm Hallberg - One of the best experts on this subject based on the ideXlab platform.
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A comparison of the Nottingham Health Profile and Short Form 36 Health Survey in patients with chronic lower limb ischaemia in a longitudinal perspective
Health and quality of life outcomes, 2004Co-Authors: Christine Wann-hansson, Ingalill Rahm Hallberg, Bo Risberg, Rosemarie KlevsgårdAbstract:Different generic quality of life instruments such as the Nottingham Health Profile (NHP) and the Short Form 36 Health Survey (SF-36) have revealed conflicting results in patients with chronic lower limb ischaemia in psychometric attributes in short-term evaluations. The aim of this study was to compare the NHP and the SF-36 regarding internal consistency reliability, validity, responsiveness and suitability as outcome measures in patients with lower limb ischaemia in a longitudinal perspective. 48 patients with intermittent claudication and 42 with critical ischaemia were included. Assessment was made before and one year after revascularization using comparable domains of the NHP and the SF-36 questionnaires. The SF-36 was less skewed and more homogeneous than the NHP. There was an average convergent validity in three of the five comparable domains one year postoperatively. The SF-36 showed a higher internal consistency except for social functioning one-year postoperatively and was more responsive in detecting changes over time in patients with intermittent claudication. The NHP was more sensitive in discriminating among levels of ischaemia regarding pain and more able to detect changes in the critical ischaemia group. Both SF-36 and NHP have acceptable degrees of reliability for group-level comparisons, convergent and construct validity one year postoperatively. Nevertheless, the SF-36 has superior psychometric properties and was more suitable in patients with intermittent claudication. The NHP however, discriminated better among severity of ischaemia and was more responsive in patients with critical ischaemia.
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Nottingham Health Profile and Short-Form 36 Health Survey questionnaires in patients with chronic lower limb ischemia: before and after revascularization.
Journal of vascular surgery, 2002Co-Authors: R. Klevsgård, Bo Risberg, B.-l. Fröberg, Ingalill Rahm HallbergAbstract:OBJECTIVE: The purpose of this study was to compare the usefulness of the Nottingham Health Profile (NHP) and the Short-Form 36 Health Survey (SF-36) as general outcome measures after vascular intervention for lower limb ischemia with respect to patients' quality of life, on the basis of validity, reliability, and responsiveness analyses. Patients and Methods: Eighty patients, 40 with claudication and 40 with critical ischemia, were assessed before and one month after revascularization by using comparable domains of the NHP and the SF-36 questionnaires. RESULTS: The SF-36 scores were less skewed and were distributed more homogeneously than the NHP scores. Discriminate validity results showed that NHP was better than SF-36 in discriminating among levels of ischemia with respect to pain and physical mobility. For both questionnaires, the reliability standards were satisfactory in most respects. The NHP was more responsive than the SF-36 in detecting within-patient changes. All of the NHP domains not zero at baseline were improved significantly one month after hemodynamically successful revascularization for patients with claudication, whereas patients with critical ischemia showed significant abatement of pain and improvements in physical mobility and social isolation. The SF-36 scores indicated a significant decrease in bodily pain and improvements in physical functioning and vitality for patients with claudication, and decrease in bodily pain and improvement in physical functioning for patients with critical ischemia. CONCLUSIONS: The findings indicated that both NHP and SF-36 were reliable. The SF-36 scores were less skewed than the NHP scores, whereas NHP discriminated better among levels of ischemia and was more responsive in detecting quality-of-life changes over time than SF-36 in these particular patients. (Less)
