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Validity of "One-size-fits-all" Approaches for the National Health Screening and Education Program: A Large-scale Cohort Study of Corporate Insurance Beneficiaries.

ABSTRACT: Objective Metabolic syndrome represents a unified condition of atherosclerotic diseases caused by abdominal obesity. The aims of this study were to examine the applicability of the prevalent fixed cut-off values of the abdominal circumference (AC) and body mass index (BMI) to age and gender groups and to identify suitable lifestyle modification factors. Methods We defined an outcome as having ≥ 2 risk components that are necessary to diagnose metabolic syndrome and examined the cross-sectional association of the AC and BMI with the outcome. We also assessed the effects of time-updated lifestyle information on metabolic traits using longitudinal data. Patients We enrolled 22,953 beneficiaries of a corporate health insurance scheme who underwent annual health examinations between January 2004 and December 2014. Results The AC [per 5-cm increase, odds ratio (OR) 1.17, 95% confidence interval (CI) 1.12-1.24] and BMI (OR 1.10, 95% CI 1.07-1.13) were significantly associated with the outcome, adjusted for age, gender, current smoking status, drinking habits, and other lifestyle information. The association between the outcome and AC was modified by gender (p for interaction = 0.033), and the association between the outcome and BMI was modified by age group (p for interaction = 0.049). In the longitudinal analysis, current smoking, drinking habits, and unhealthy eating habits were associated with an increased AC and BMI, whereas regular physical activity was associated with a decreased AC and BMI. Conclusion We showed that the association between the AC or BMI and metabolic syndrome was modified by gender or age group. Further studies will be needed to customize the national health screening and education programs.

SUBMITTER: Kikuchi K

PROVIDER: S-EPMC8222130 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:To reduce the incidence of hypoxic brain injuries among newborns a national cardiotocography (CTG) education program was implemented in Denmark. A multiple-choice question test was integrated as part of the program. The aim of this article was to describe and discuss the test development process and to introduce a feasible method for written test development in general.The test development was based on the unitary approach to validity. The process involved national consensus on learning objectives, standardized item writing, pilot testing, sensitivity analyses, standard setting and evaluation of psychometric properties using Item Response Theory models. Test responses and feedback from midwives, specialists and residents in obstetrics and gynecology, and medical and midwifery students were used in the process (proofreaders n?=?6, pilot test participants n?=?118, CTG course participants n?=?1679).The final test included 30 items and the passing score was established at 25 correct answers. All items fitted a loglinear Rasch model and the test was able to discriminate levels of competence. Seven items revealed differential item functioning in relation to profession and geographical regions, which means the test is not suitable for measuring differences between midwives and physicians or differences across regions. In the setting of pilot testing Cronbach's alpha equaled 0.79, whereas Cronbach's alpha equaled 0.63 in the setting of the CTG education program. This indicates a need for more items and items with a higher degree of difficulty in the test, and illuminates the importance of context when discussing validity.Test development is a complex and time-consuming process. The unitary approach to validity was a useful and applicable tool for development of a CTG written assessment. The process and findings supported our proposed interpretation of the assessment as measuring CTG knowledge and interpretive skills. However, for the test to function as a high-stake assessment a higher reliability is required.

Dataset Information

Validity of "One-size-fits-all" Approaches for the National Health Screening and Education Program: A Large-scale Cohort Study of Corporate Insurance Beneficiaries.

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