eLife · 2025
Using step selection functions to analyse human mobility using telemetry data in infectious disease epidemiology: a case study of leptospirosis.
СтатьяНазвание и аннотация: Перевод в очереди
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Ruiz Cuenca Pablo, Souza Fábio N, Coutinho do Nascimento Roberta, Goncalves da Silva Ariane, Eyre Max T, Santana Juliet O, de Oliveira Daiana, Ribeiro de Souza Emile V, Palma Fabiana G, de Carvalho Santiago Diogo C, Dos Santos Ribeiro Priscyla, Ferreira Dos Santos Priscilla Elizabeth, Khalil Hussein, Read Jonathan M, Cremonese Cleber, Costa Federico, Giorgi Emanuele
Аннотация
BACKGROUND: Human movement plays a critical role in the transmission of infectious diseases, especially those with environmental drivers like leptospirosis-a zoonotic bacterial infection linked to mud and water contact. Using GPS loggers, we collected detailed telemetry data to understand how fine-scale movements can be analysed in the context of an infectious disease.
METHODS: We recruited individuals living in urban slums in Salvador, Brazil, to analyse how they interact with environmental risk factors such as domestic rubbish piles, open sewers, and a local stream. We aimed to identify differences in movement patterns inside the study areas by gender, age, and leptospirosis serological status. Step selection functions, a spatio-temporal model used in animal movement ecology, estimated selection coefficients to represent the likelihood of movement toward specific environmental factors.
RESULTS: With 128 participants wearing GPS devices for 24-48 hr, recording locations every 35 s during active daytime hours, we segmented movements into morning, midday, afternoon, and evening. Our results suggested women moved closer to the central stream and farther from open sewers compared to men, while serologically positive individuals avoided open sewers.
CONCLUSIONS: This study introduces a novel method for analysing human telemetry data in infectious disease research.
FUNDING: Funding provided by Wellcome Trust, UK Medical Research Council, Brazilian National Research Council, Reckitt Global Hygiene Institute, and National Institute of Allergy and Infectious Diseases.
METHODS: We recruited individuals living in urban slums in Salvador, Brazil, to analyse how they interact with environmental risk factors such as domestic rubbish piles, open sewers, and a local stream. We aimed to identify differences in movement patterns inside the study areas by gender, age, and leptospirosis serological status. Step selection functions, a spatio-temporal model used in animal movement ecology, estimated selection coefficients to represent the likelihood of movement toward specific environmental factors.
RESULTS: With 128 participants wearing GPS devices for 24-48 hr, recording locations every 35 s during active daytime hours, we segmented movements into morning, midday, afternoon, and evening. Our results suggested women moved closer to the central stream and farther from open sewers compared to men, while serologically positive individuals avoided open sewers.
CONCLUSIONS: This study introduces a novel method for analysing human telemetry data in infectious disease research.
FUNDING: Funding provided by Wellcome Trust, UK Medical Research Council, Brazilian National Research Council, Reckitt Global Hygiene Institute, and National Institute of Allergy and Infectious Diseases.