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Psychometric properties of the modified RESIDE physical activity questionnaire among low-income overweight women.

ABSTRACT: This study explored the criterion-related validity and test-retest reliability of the modified RESIDential Environment physical activity questionnaire and whether the instrument's validity varied by body mass index, education, race/ethnicity, or employment status.Validation study using baseline data collected for randomized trial of a weight loss intervention.Participants recruited from health departments wore an ActiGraph accelerometer and self-reported non-occupational walking, moderate and vigorous physical activity on the modified RESIDential Environment questionnaire. We assessed validity (n=152) using Spearman correlation coefficients, and reliability (n=57) using intraclass correlation coefficients.When compared to steps, moderate physical activity, and bouts of moderate/vigorous physical activity measured by accelerometer, these questionnaire measures showed fair evidence for validity: recreational walking (Spearman correlation coefficients 0.23-0.36), total walking (Spearman correlation coefficients 0.24-0.37), and total moderate physical activity (Spearman correlation coefficients 0.18-0.36). Correlations for self-reported walking and moderate physical activity were higher among unemployed participants and women with lower body mass indices. Generally no other variability in the validity of the instrument was found. Evidence for reliability of RESIDential Environment measures of recreational walking, total walking, and total moderate physical activity was substantial (intraclass correlation coefficients 0.56-0.68).Evidence for questionnaire validity and reliability varied by activity domain and was strongest for walking measures. The questionnaire may capture physical activity less accurately among women with higher body mass indices and employed participants. Capturing occupational activity, specifically walking at work, may improve questionnaire validity.

SUBMITTER: Jones SA

PROVIDER: S-EPMC4184999 | biostudies-literature | 2015 Jan

REPOSITORIES: biostudies-literature

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Psychometric properties of the modified RESIDE physical activity questionnaire among low-income overweight women.

Jones Sydney A SA Evenson Kelly R KR Johnston Larry F LF Trost Stewart G SG Samuel-Hodge Carmen C Jewell David A DA Kraschnewski Jennifer L JL Keyserling Thomas C TC

Journal of science and medicine in sport 20140101 1

<h4>Objectives</h4>This study explored the criterion-related validity and test-retest reliability of the modified RESIDential Environment physical activity questionnaire and whether the instrument's validity varied by body mass index, education, race/ethnicity, or employment status.<h4>Design</h4>Validation study using baseline data collected for randomized trial of a weight loss intervention.<h4>Methods</h4>Participants recruited from health departments wore an ActiGraph accelerometer and self- ...[more]

PMID: 24462117

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Project description:BackgroundUniversities are in charge of training, educating, and preparing students for their future. Teaching and learning methods have a profound role in fulfilling this responsibility by universities. Examining teaching-learning experiences needs a proper tool to collect the information needed. The aim of this study was to collect validity evidence of the modified experiences of teaching-learning questionnaire (ETLQ) in Iranian nursing students.MethodsThe validation process was started by securing the required permissions from the designer of the tool. Then the tool was translated into Farsi using forward-backward method. After preparing a Farsi version of the tool, the content, response process, and internal structure assessment were checked and supported using qualified methods. To examine internal structure, Exploratory Factor Analysis (EFA) and Confirmatory Factor Analysis (CFA) were conducted for three sections of the scale with the participation of 278 nursing students. To examine the reliability of the tool, test-retest method was used and internal correlation was examined using Cronbach's alpha.ResultsThe EFA and CFA results confirmed the tool with three domains, seven factors and 33 items. The R2-index of the model was obtained equal to 0.99, which indicates that 99% of the changes in teaching-learning experiences are explained by the tool (33 items). The main indices in CFA were higher than 0.9, which indicates the goodness of fit of the model. Pearson correlation between the items and the subscales was significantly and directly related to the whole scale. Moreover, with Cronbach's alpha equal to 0.944 and test-retest result equal to 0.88, reliability of the Farsi version of modified ETLQ was supported.ConclusionThe results showed that the Farsi version of modified ETLQ had acceptable and applied indices to measure teaching-learning experiences in nursing students. The tool can be used as a valid tool in different fields of education in medical sciences.

Project description:BackgroundThe Modified Low Back Pain Disability Questionnaire (MLBPDQ) is used for evaluating the functional disability in patients with low back pain (LBP). However, the measurement characteristics of the MLBPDQ among Arab patients are unknown. In this study, we aimed to translate and cross-culturally adapt the MLBPDQ into Arabic and evaluate its psychometric properties.MethodsAn Arabic version of the MLBPDQ was developed through forward translation, translation synthesis, and backward translation. Sixty-eight patients (55 males and 13 females) with a mean age 37.01 ± 7.57 years were recruited to assess its psychometric properties. Reliability was evaluated using internal consistency (Cronbach’s α), test retest reliability (utilizing intraclass correlation coefficient [ICC]), standard error of measurement (SEM), minimal detectable change at 95% confidence level (MDC95%), and 95% limits of agreement (LOA). The construct validity was investigated by correlating the new translation with four other measures of LBP (using Spearman’s rho). Finally, receiver operating characteristic curve was constructed to compute the sensitivity, using the area under the curve (AUC), and the minimum important change (MIC). An alpha level of 0.05 was set for statistical tests and all the psychometric values were tested against a priori hypotheses.ResultsThe culturally aligned MLBPDQ showed good internal consistency (Cronbach’s α = 0.85). The ICC, SEM, MDC95%, and LOA between baseline and two days later were 0.98, 1.60, 4.43, and -4.23 to 7.70, respectively, while the values between baseline and 14 days later were 0.94, 2.77, 7.67, and -6.59 to 13.53, respectively. The scale also demonstrated moderate to excellent correlation (rho = 0.54–0.86) with the other four questionnaires. The AUC value of the Arabic-MLBPDQ was 0.68, and the MIC was 3 points.ConclusionThe Arabic version of the MLBPDQ demonstrates adequate psychometric properties and can be used to assess disability level in patients with LBP in Arabic-speaking communities.

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Psychometric properties of the modified RESIDE physical activity questionnaire among low-income overweight women.

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Psychometric properties of the modified RESIDE physical activity questionnaire among low-income overweight women.

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