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Background <p>Anaemia remains a major comorbidity among children living with HIV (CLHIV) in sub-Saharan Africa, yet sex-specific risk factors are poorly characterized. This study investigated the prevalence and sex-based determinants of anaemia among CLHIV in the Southern Province, Zambia.</p> Methods <p>A retrospective cross-sectional study was conducted using medical records from 321 CLHIV aged 0–14&#xa0;years. Data on demographic, clinical, and anthropometric variables were analysed. Sex-stratified multivariable logistic regression identified factors associated with anaemia (Hb &lt; 10.9&#xa0;g/dL).</p> Results <p>Overall anaemia prevalence was 47.0% (151/321), with a higher, though not statistically significant, burden in males (52.6%) than females (41.9%). Younger age was a strong, independent risk factor across both sexes. Distinct sex-specific determinants were identified. In males, no statistically significant association between CTX use and anaemia was observed (Adjusted Odds Ratio, AOR = 3.04; 95% CI: 0.95–9.74). Care provided by an aunt was significantly associated with lower odds of anaemia compared to other caregiving arrangement (AOR = 0.10; 95% CI: 0.01–0.90). Poor anthropometric indices (height and weight) were significantly associated with anaemia in both sexes.</p> Conclusions <p>The study findings reveal a high prevalence of anaemia among CLHIV in Zambia, with nuanced sex-based differences in its determinants. The findings advocate for differentiated, gender-sensitive intervention strategies. For boys, careful review of CTX prophylaxis is warranted, while for girls, enhancing supportive caregiving environments may be protective. Integrating these sex-specific approaches into paediatric HIV programs is crucial for reducing the anaemia burden and improving clinical outcomes.</p>

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Sex-based differences in the prevalence and determinants of anaemia among children living with HIV in the Southern Province of Zambia

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年3月25日

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  • Martin Chakulya,
  • David Chisompola,
  • Lukundo Siame,
  • Benson M. Hamooya,
  • Sepiso K. Masenga

摘要

Background

Anaemia remains a major comorbidity among children living with HIV (CLHIV) in sub-Saharan Africa, yet sex-specific risk factors are poorly characterized. This study investigated the prevalence and sex-based determinants of anaemia among CLHIV in the Southern Province, Zambia.

Methods

A retrospective cross-sectional study was conducted using medical records from 321 CLHIV aged 0–14 years. Data on demographic, clinical, and anthropometric variables were analysed. Sex-stratified multivariable logistic regression identified factors associated with anaemia (Hb < 10.9 g/dL).

Results

Overall anaemia prevalence was 47.0% (151/321), with a higher, though not statistically significant, burden in males (52.6%) than females (41.9%). Younger age was a strong, independent risk factor across both sexes. Distinct sex-specific determinants were identified. In males, no statistically significant association between CTX use and anaemia was observed (Adjusted Odds Ratio, AOR = 3.04; 95% CI: 0.95–9.74). Care provided by an aunt was significantly associated with lower odds of anaemia compared to other caregiving arrangement (AOR = 0.10; 95% CI: 0.01–0.90). Poor anthropometric indices (height and weight) were significantly associated with anaemia in both sexes.

Conclusions

The study findings reveal a high prevalence of anaemia among CLHIV in Zambia, with nuanced sex-based differences in its determinants. The findings advocate for differentiated, gender-sensitive intervention strategies. For boys, careful review of CTX prophylaxis is warranted, while for girls, enhancing supportive caregiving environments may be protective. Integrating these sex-specific approaches into paediatric HIV programs is crucial for reducing the anaemia burden and improving clinical outcomes.