Reliability, technical error of measurement and validity of height measurement using portable stadiometer

• 發表在: Pertanika Journal of Science and Technology
• 主要作者: 2-s2.0-85021122709
• 格式: Article
• 語言: English
• 出版: Universiti Putra Malaysia Press 2017
• 在線閱讀: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85021122709&partnerID=40&md5=69cdffd8e28c29b20a680b4b49bc61b3

This study sought to examine the reliability and validity of height measurements using a portable stadiometer as compared to a mechanical scale. Samples from 142 adults aged 22 to 57 were taken during data collection in November 2014. There was a high degree of reliability for the inter-examiner, intra-examiner and inter-instrument aspects with regards to mean difference, the inter correlation coefficient (ICC) and Bland-Altman Plot. For the inter-examiner aspect, the height measurement taken by the first examiner was 0.01 cm higher than that by the second examiner with an ICC of 0.999. For the intra-examiner aspect, the difference was 0.1 cm; this was higher in the first measurement compared to the second. The ICC was also 0.999. For the inter-instrument aspect, measurement taken by stadiometer was 0.61 cm higher than the measurement taken by mechanical scale and the ICC was 0.997. The Bland-Altman plot showed a distribution of differences between measurements in the inter-examiner, intra-examiner and inter-instrument aspects that were close to zero within the narrow range of ±1.96SD. The technical error of measurement (TEM), coefficient of reliability (R) and coefficient of variation (CV) for the inter-examiner, intra-examiner and inter-instrument aspects were within the acceptable limits. This study suggests that the portable stadiometer is reliable and valid for use in community surveys. © 2017 Universiti Putra Malaysia Press.