ArticleThe international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease2025
Mobility patterns, activity locations, and TB in Nairobi, Kenya.
Article in The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Using genomic epidemiology and geographic activity spaces to investigate tuberculosis outbreaks in Botswana.International journal of health geographics · 2026Article
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7 authors.
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Abstract
<sec><title>BACKGROUND</title>Annually, over 3 million people develop TB but are not diagnosed and treated. We aimed to characterize the mobility patterns and activity locations of people with TB in an urban, high-burden setting to inform future active case-finding (ACF) efforts.</sec><sec><title>METHODS</title>We conducted a population-based TB prevalence survey in Nairobi, Kenya, in 2022. Participants aged ≥15 years with TB symptoms or a suggestive chest X-ray submitted sputum for Xpert Ultra and culture. We collected data on individual activity locations and mobility and evaluated their association with the risk of pulmonary TB.</sec><sec><title>RESULTS</title>The prevalence survey enrolled 6,369 participants across nine clusters. There were significant differences in mobility patterns and activity locations between sexes and age groups. Mobility factors were not significantly associated with TB. In the adjusted analysis, age group 45-54 (OR 2.45), male sex (OR 2.95), and use of a social activity location (OR 1.96) were significantly associated with a higher risk of TB.</sec><sec><title>CONCLUSIONS</title>We did not find a significant association between mobility patterns and TB, but there was a positive association between reported 'social' activity locations and TB. Identification of 'social' activity locations, particularly bars, provides important insight into possible venues for spatially-targeted ACF activities.</sec>.
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