Reliability, usability and identified need for home-based cardiometabolic health self-assessment during the COVID-19 pandemic in Soweto, South Africa

Clara Calvert*, Andrea Kolkenbeck-Ruh, Simone H Crouch, Larske M Soepnel, Lisa J Ware

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

A major obstacle to tackling the growing burden of chronic disease in South Africa is lack of testing, particularly where individuals face multiple barriers to accessing health services. We conducted a pilot study to evaluate a cardiometabolic self-measurement kit, including assessment of blood pressure, obesity and urine analysis, amongst adults in Soweto, South Africa. Participants (N=94) were recruited by researchers during community health screening and were provided with a home test kit including a tablet with self-measurement instructions. The participants entered their results on the tablet and, on completion, the researcher immediately repeated the measurements. We interviewed 10% of participants to understand their experience and views of the kits. Concordance correlation coefficients ranged from 0.78 for waist circumference to 0.93 for height, while the overall percentage agreement ranged from 80.5% for both urine protein and urine glucose testing to 91.4% for the identification of central obesity (ratio of waist circumference to height of ≥0.5). Participants saw the need for self-testing and found the process for the most part simple, though urine testing and height self-assessment presented some challenges. This pilot study suggests that self-assessment at home has the potential to facilitate the identification of individuals at risk for cardiometabolic disease in low-income settings, adding to a growing body of evidence on the use of self-testing in disease prevention and detection. However, we would not recommend self-testing for urine glucose and protein without further study.
Original languageEnglish
Article number7158
JournalScientific Reports
Volume12
Issue number1
DOIs
Publication statusPublished - 3 May 2022

Keywords / Materials (for Non-textual outputs)

  • Adult
  • COVID-19
  • Cardiovascular Diseases/diagnosis
  • Glucose
  • Humans
  • Obesity/diagnosis
  • Pandemics
  • Pilot Projects
  • Reproducibility of Results
  • Self-Assessment
  • South Africa/epidemiology

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