Cross-cultural validation of the Portuguese from Portugal version of the Test for Respiratory and Asthma Control in Kids questionnaire
Paula PintoJoana MARQUESE. FinelliCristina AlvesMarta AlvesDavid TrincãoNicole PintoPedro MartinsAna Luísa PapoilaNuno Neuparth
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Introduction. The Test for Respiratory and Asthma Control in Kids (TRACK) is a tool to assess asthma control in preschool children. This study aims to validate the Portuguese from Portugal version of the TRACK questionnaire. Methods. A prospective cohort study was carried out to assess their psychometric characteristics. Caregivers of 141 children under age 5 with asthma symptoms were enrolled. Results. Internal reliability was close to 0.70 (Cronbach's α). The test-retest reliability was 0.87. TRACK scores were different between well, partially, and non-controlled asthma groups (p less than 0.001). Patients rated as having better control showed an increase in TRACK scores. Conclusions. The Portuguese version of the TRACK questionnaire is accurate and reliable for monitoring asthma control. Its use may help to overcome challenges with the management of this age group.Statistical Validation of the first proposal of Quality of Life QoL instrument specific to Alcoholism. This scale contains 9 items derived from the MOS-SF36 well known generic QoL instrument. First validation on a cohort of 250 patients shows excellent reliability (Cronbach Alpha=.78). New developments are expected, based on a cohort of 3500 patients, in particular to reduce the length of the scale.
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Abstract Objective To validate the Chilean Spanish translation of the tenth English version of the Dynamic Loewestein Occupational Therapy Cognitive Assessment for use in the Chilean population. Method The translation into Chilean Spanish was carried out, and then a pilot test was carried out for the application of the instrument, for which 40 adults were recruited with an average age of 42.7 years, with various brain damages and made up of 70% women and 30% men. To evaluate the reliability of the instrument, Cronbach's Alpha was calculated as a measure of Internal Consistency, applying 3 perspectives, "Item-Total Reliability", "Item-Domain Reliability", and "Domain-Total Reliability". To measure feasibility, the percentage of items not answered by the sample is identified, and the percentage of items that is identified in the cognitive tests as understood. Results The Item-Total reliability yielded a Cronbach's Alpha of 0.953, which translates into excellent reliability. Item-Domain reliability was mostly between excellent and good, with weak reliability for the factors "time orientation" and "visual perception". The Domain-Total reliability yielded a Cronbach's Alpha of 0.810, which translates into good reliability. Finally, in relation to feasibility, the participants answered 100% of the items, evidencing the translation to be accessible. Conclusion The DLOTCA translated into Chilean Spanish; it presents a high reliability, which allows obtaining results with very low biases, becoming an instrument that can be used in a pertinent way in the Chilean population.
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We discuss 3 popular misconceptions about Cronbach α or coefficient α, traditionally used in public health and the behavioral sciences as an index of test score reliability. We also review several other indices of test score reliability. We encourage researchers to thoughtfully consider the nature of their data and the options when choosing an index of reliability, and to clearly communicate this choice and its implications to their audiences.
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Background: Asthma in adulthood could be programmed in early life. However, the number of cohort studies following the development of asthma from childhood up to adulthood is so far limited and the findings have been contradictory.
Objective: To evaluate the development of asthma over time in a cohort born in the mid 1970-ies.
Material & Methods: A population-based, non-selected birth cohort comprising 1,701 consecutively born children at a University Hospital in Southeast Sweden. At the age of 6–7 and 10–11 years of age an asthma diagnosis was confirmed by parental questionnaires, telephone check-ups and the review of available medical records. Information on dispensed asthma medication (inhaled corticosteroids and/or leucotriene antagonists) at the ages of 32-34 years was collected from the Swedish Prescribed Drug Register after linkage of data at an individual level.
Results: In all, 1,661 individuals (97.6%) of the original birth cohort could be linked to the Swedish Prescribed Drug Register and 48 individuals were diagnosed with asthma at the two follow-ups in childhood. At the age of 32-34 years, 60 individuals were dispensed inhaled corticosteroids or leucotriene antagonists. Out of those, 49 individuals had not been diagnosed with asthma at the check-ups during childhood.
Conclusion: The majority of the individuals with asthma in childhood had not been dispensed asthma medication in adulthood. The findings suggest that a major part of the individuals with asthma medication at the age of 32-34 years had developed asthma during or after adolescence.
Record Linkage
Medical record
Asthma medication
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Health Psychologists using questionnaires rely heavily on Cronbach’s alpha as indicator of scale reliability and internal consistency. Cronbach’s alpha is often viewed as some kind of quality label: high values certify scale quality, low values prompt removal of one or several items. Unfortunately, this approach suffers two fundamental problems. First, Cronbach’s alpha is both unrelated to a scale's internal consistency and a fatally flawed estimate of its reliability. Second, the approach itself assumes that scale items are repeated measurements, an assumption that is often violated and rarely desirable. The problems with Cronbach’s alpha are easily solved by computing readily available alternatives, such as the Greatest Lower Bound or Omega. Solving the second problem, however, is less straightforward. This requires forgoing the appealing comfort of a quantitative, seemingly objective indicator of scale quality altogether, instead acknowledging the dynamics of reliability and validity and the distinction between scales and indices. In this contribution, I will explore these issues, and provide recommendations for scale inspection that takes these dynamics and this distinction into account.
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Background: Atrial Fibrillation (AF) ablations are performed in pts of all age groups. No data exists on the outcomes or Quality of Life (QOL) specific to the octogenarian population undergoing this procedure. We hypothesize the outcomes and risks would not be too dissimilar when compared to a younger cohort between 65-79 years. Methods: From a retrospective database we selected octogenarian pts compared to an age and sex matched control group, ages 65-79. Pre-ablation tests were performed as well as quality of life (QoL) and symptom inventories. Results of the ablation procedure, follow up QoL and symptom inventories, peri-procedure morbidity and freedom from AF or control of AF with anti-arrhythmic agents were compared between the 2 groups. Results: During follow-up (mean 2.3 ± 2.2 years), AF elimination (70% vs 81%, p 0.942) and AF control including those on antiarrhythmic agents (86% vs 86%, p 0.249) were compared. Conclusion: Outcomes of ablation in the octogenarians are highly favorable with no increase in procedural complications. Improvement in QOL scores is impressive in patients with advancing age. Comparison of variables between the Young-Old and the Octagenerian cohort of patients undergoing ablation of drug-refractory AF Comparison of variables between the Young-Old and the Octagenerian cohort of patients undergoing ablation of drug-refractory AF
Refractory (planetary science)
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To determine rates of immunisation by 24 months of age, the number of times children were recalled and the cost of immunisation for a cohort of children in general practices in Wellington.A prospective study of 979 children registered with 27 general practices. Children in the cohort were followed from 9-24 months old. Data collected included immunisation status, the number of times children were recalled and demographic data.At the end of the study period (when children reached 24 months of age) 803 (82%) remained with the practices and 176 (18%) had left. At 24 months 724 (74%) of the total cohort and 685 (85.3%) of registered children who stayed with the practice were fully immunised for the early childhood vaccinations. 54% of the cohort were fully immunised after a standard recall process. The average cost per child immunised was $13.33.It is possible to achieve high rates of full immunisation in children registered with a general practice using an effective system of facilitation and support.
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Objective:To test the reliability of BMDC-NPTB-CR. Method: 182 elderlies were tested with the BMDC-NPTB-CR. Test-retest reliability and internal consistency of the scale were calculated. Result:70% of the items in BMDC-NPTB-CR were moderate in difficulty. The correlation between total score and subscores were in 0.50～0.88(P0.001),Cronbach alpha=0.75, with that of the subscales in 0.77～0.81,which indicated good internal consistency. The test-retest reliability of the total score was 0.93(P0.01),that of the subscores were in 0.6～0.9.Conclusion:BMDC-NPTB-CR has good reliability.
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