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Prevalence of Self-Reported Diagnosed Cataract and Associated Risk Factors among Elderly South Africans

Author

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  • Nancy Phaswana-Mafuya

    (Office of the Deputy Vice Chancellor: Research and Innovation, North West University, Potchefstroom 2520, South Africa
    HIV/AIDS/STI/TB Research Programme, Human Sciences Research Council, Pretoria 0002, South Africa)

  • Karl Peltzer

    (HIV/AIDS/STI/TB Research Programme, Human Sciences Research Council, Pretoria 0002, South Africa
    Department of Research & Innovation, University of Limpopo, Turfloop 0727, South Africa)

  • Amelia Crampin

    (London School of Hygiene and Tropical Medicine, University of London, London WC1E 7HT, UK)

  • Edmund Ahame

    (HIV/AIDS/STI/TB Research Programme, Human Sciences Research Council, Pretoria 0002, South Africa
    Office of the Deputy Vice Chancellor for Research and Engagement, Nelson Mandela University, Port Elizabeth 6001, South Africa)

  • Zinhle Sokhela

    (HIV/AIDS/STI/TB Research Programme, Human Sciences Research Council, Pretoria 0002, South Africa)

Abstract

This paper estimates the prevalence of self-reported cataract and associated risk factors among individuals aged ≥50 years in South Africa. Data from a nationally-representative cross-sectional Study on Global AGEing and Adult Health (SAGE) ( N = 3646) conducted in South Africa from 2007–2008 was analyzed. The primary outcome was self-reported cataract, and exposures included socio-demographics, self-reported co-morbidities, and behavioral factors. Linearized multivariate logistic regression models were used. The weighted prevalence of self-reported diagnosed cataract was 4.4% (95%CI: 3.4–5.8). Prevalence was greater among individuals with advancing age (10.2%), higher quality of life (QoL) (5.9%), education (5.2%), and wealth (5.8%) than their counterparts. Prevalence was also higher among individuals with depression (17.5%), diabetes (13.3%), hypertension (9.1%), and stroke (8.4%) compared to those without these conditions, with the exception of obesity (4.2%). In the final multivariate model, the odds of self-reported cataract were: 4.14 times higher among people ≥70 years than 50 to 59 year olds (95%CI: 2.28–7.50); 2.48 times higher in urban than rural residents (95%CI: 1.25–4.92); 5.16, 2.99, and 1.97 times higher for individuals with depression (95%CI: 1.92–13.86), hypertension (95%CI: 1.60–5.59), and diabetes (95%CI: 1.07–3.61), compared to those without these conditions.

Suggested Citation

  • Nancy Phaswana-Mafuya & Karl Peltzer & Amelia Crampin & Edmund Ahame & Zinhle Sokhela, 2017. "Prevalence of Self-Reported Diagnosed Cataract and Associated Risk Factors among Elderly South Africans," IJERPH, MDPI, vol. 14(12), pages 1-11, December.
    • Handle: RePEc:gam:jijerp:v:14:y:2017:i:12:p:1523-:d:121908
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    References listed on IDEAS

    as
    1. Supa Pengpid & Karl Peltzer & Hendry Van der Heever, 2011. "Prevalence of Alcohol Use and Associated Factors in Urban Hospital Outpatients in South Africa," IJERPH, MDPI, vol. 8(7), pages 1-11, June.
    2. Wei Wang & Xiulan Zhang, 2014. "Alcohol Intake and the Risk of Age-Related Cataracts: A Meta-Analysis of Prospective Cohort Studies," PLOS ONE, Public Library of Science, vol. 9(9), pages 1-8, September.
    3. Kim, Jaehoon & Kim, Sangsin, 2015. "2012년 국회법 개정의 효과 연구 [A Study on the Effect of the 2012 National Assembly Act Amendment]," KDI Research Monographs, Korea Development Institute (KDI), volume 127, number v:2015-03(k):y:2015:p:1-1.
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