Evidence map›Paper›PMID 35389331›Full record

ArticleGlobal health action2022

Estimating the healthcare cost of overweight and obesity in South Africa.

Micheal Kofi Boachie, Evelyn Thsehla, Mustapha Immurana, Ciaran Kohli-Lynch, Karen J Hofman

Abstract read
In one paragraph

Article in Global health action, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

21 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Economic costs of obesity: a systematic review.International journal of obesity (2005) · 2024
    Pooled it
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  18. Weight Gain After HIV Therapy Initiation: Pathophysiology and Implications.The Journal of clinical endocrinology and metabolism · 2024 · on this map
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Micheal Kofi BoachieSAMRC/Wits Centre for Health Economics and Decision Science - PRICELESS SA, Faculty of Health Sciences, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa.ORCID 0000-0003-1062-889X
Evelyn ThsehlaSAMRC/Wits Centre for Health Economics and Decision Science - PRICELESS SA, Faculty of Health Sciences, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa.
Mustapha ImmuranaInstitute of Health Research, University of Health and Allied Sciences, Ho, Ghana.ORCID 0000-0001-5711-7566
Ciaran Kohli-LynchSAMRC/Wits Centre for Health Economics and Decision Science - PRICELESS SA, Faculty of Health Sciences, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa.ORCID 0000-0001-5516-1862
Karen J HofmanSAMRC/Wits Centre for Health Economics and Decision Science - PRICELESS SA, Faculty of Health Sciences, School of Public Health, University of the Witwatersrand, Johannesburg, South Africa.ORCID 0000-0001-9512-7220

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundOverweight and obesity are major risk factors for noncommunicable diseases. This presents a major burden to health systems and to society in South Africa. Collectively, these conditions are overwhelming public healthcare. This is happening when the country has embarked on a journey to universal health coverage, hence the need to estimate the cost of overweight and obesity.

objectiveOur objective was to estimate the healthcare cost associated with treatment of weight-related conditions from the perspective of the South African public sector payer.

methodsUsing a bottom-up gross costing approach, this study draws data from multiple sources to estimate the direct healthcare cost of overweight and obesity in South Africa. Population Attributable Fractions (PAF) were calculated and multiplied by each disease's total treatment cost to apportion costs to overweight and obesity. Annual costs were estimated for 2020.

resultsThe total cost of overweight and obesity is estimated to be ZAR33,194 million in 2020. This represents 15.38% of government health expenditure and is equivalent to 0.67% of GDP. Annual per person cost of overweight and obesity is ZAR2,769. The overweight and obesity cost is disaggregated as follows: cancers (ZAR352 million), cardiovascular diseases (ZAR8,874 million), diabetes (ZAR19,861 million), musculoskeletal disorders (ZAR3,353 million), respiratory diseases (ZAR360 million) and digestive diseases (ZAR395 million). Sensitivity analyses show that the total overweight and obesity cost is between ZAR30,369 million and ZAR36,207 million.

conclusionThis analysis has demonstrated that overweight and obesity impose a huge financial burden on the public health care system in South Africa. It suggests an urgent need for preventive, population-level interventions to reduce overweight and obesity rates. The reduction will lower the incidence, prevalence, and healthcare spending on noncommunicable diseases.

Indexed as

Noncommunicable DiseasesOverweightCost of IllnessHealth Care CostsHumansObesitySouth Africaattributable fractionCostnoncommunicable diseasesobesityoverweightpriority settingSouth Africa

Identifiers

PMID35389331
PMCPMC9004491

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.