The Pediatric infectious disease journal · 2024
Prevalence and Predictors of Tuberculosis Infection in Children and Adolescents in Rural Uganda: A Cross-sectional Study.
СтатьяПоддержка NIH: внешняя программаНазвание и аннотация: Перевод пока не подготовлен
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Kakande Elijah, Ssekyanzi Bob, Abbott Rachel, Ariho Willington, Nattabi Gloria, Landsiedel Kirsten, Temple Jennifer, Chamie Gabriel, Havlir Diane V, Kamya Moses R, Charlebois Edwin D, Balzer Laura B, Marquez Carina
Аннотация
BACKGROUND: Much of the latent tuberculosis (TB) reservoir is established in childhood and adolescence. Yet, age-specific data on prevalence and predictors of infection in this population are sparse and needed to guide prevention and case finding.
METHODS: From December 2021 to June 2023, we measured TB infection in children 1-17 years in 25 villages in rural Southwestern Uganda. We defined TB infection as a positive QuantiFERON Gold Plus Test (QFT). We estimated overall and age-stratified population-level prevalence and adjusted risk ratios (aRR) of TB infection for individual, household, and community-based predictors, accounting for age, TB contact, and clustering by household.
RESULTS: Estimated TB infection prevalence was 9.6% [95% confidence interval (CI): 8.7-10.5%] among the 5789 participants, and prevalence varied slightly with age. Household-level risk factors included crowding (aRR: 1.25, 95% CI: 1.03-1.53), indoor cooking (aRR: 1.62, 95% CI: 1.14-2.30), living with ≥2 persons who drink alcohol (aRR: 1.47, 95% CI: 1.04-2.07). The predominant community-based risk factor was child mobility (aRR: 1.67, 95% CI: 1.24-2.26). In age-stratified analyses, household predictors were important in early childhood but not adolescence, where mobility was predominant (aRR: 1.66, 95% CI: 1.13-2.44).
CONCLUSION: We detected a high prevalence of TB infection in children and adolescents in rural Uganda. On a population level, TB risk factors change throughout the early life course, with child mobility a key risk factor in adolescence. Age-specific TB case finding and prevention strategies that address both household and extra-household risk factors are needed to address TB transmission.
METHODS: From December 2021 to June 2023, we measured TB infection in children 1-17 years in 25 villages in rural Southwestern Uganda. We defined TB infection as a positive QuantiFERON Gold Plus Test (QFT). We estimated overall and age-stratified population-level prevalence and adjusted risk ratios (aRR) of TB infection for individual, household, and community-based predictors, accounting for age, TB contact, and clustering by household.
RESULTS: Estimated TB infection prevalence was 9.6% [95% confidence interval (CI): 8.7-10.5%] among the 5789 participants, and prevalence varied slightly with age. Household-level risk factors included crowding (aRR: 1.25, 95% CI: 1.03-1.53), indoor cooking (aRR: 1.62, 95% CI: 1.14-2.30), living with ≥2 persons who drink alcohol (aRR: 1.47, 95% CI: 1.04-2.07). The predominant community-based risk factor was child mobility (aRR: 1.67, 95% CI: 1.24-2.26). In age-stratified analyses, household predictors were important in early childhood but not adolescence, where mobility was predominant (aRR: 1.66, 95% CI: 1.13-2.44).
CONCLUSION: We detected a high prevalence of TB infection in children and adolescents in rural Uganda. On a population level, TB risk factors change throughout the early life course, with child mobility a key risk factor in adolescence. Age-specific TB case finding and prevention strategies that address both household and extra-household risk factors are needed to address TB transmission.