ABSTRACT NUMBER - 22

A COMPARATIVE ANALYSIS OF THE GLOBAL TRACHOMA MAPPING PROJECT DATA IN THE SOLOMON ISLANDS, VANUATU AND FIJI


Samantha Bobba1,2, Hamish McManus1, John Kaldor1

Meeting:  2018 RANZCO


SESSION INFORMATION

Date:      -

Session Title: POSTER ABSTRACT- EPIDEMIOLOGY/PUBLIC HEALTH

Session Time:      -

Purpose: To evaluate risk factors for trachoma and trends in trachoma prevalence in the Asia-Pacific region utilising Global Trachoma Mapping Project data (GTMP).
Methods: Population-based prevalence surveys were conducted in Vanuatu, Fiji and the Solomon Islands (SI) according to the GTMP protocol. GTMP databases accessible to the Kirby Institute were used to determine the prevalence of active trachoma in children aged 1-9 years and individuals aged ≥
15 years. Multivariate analysis was conducted to determine correlation with factors such as age, sani- tation and access to water supply.
Results: A total of 16,277 individuals were examined: 2,306 from Ba Fiji, 2,709 from Choiseul SI, 4,052 from Temotu SI, 3,129 from Western Province SI, and 4081 from Penama Vanuatu. Age-adjusted prevalence of active trachoma ranged from 25.7% (95% confidence interval (CI):20.0-31.5) in Temotu, to 3.6% (95% CI:1.3-5.8) in Ba. In multivariate models, higher risk of active trachoma was detected in 5-9 year olds com- pared with 1-4 year olds for SI (Adjusted odds ratio (AOR):3.77, P < 0.001) and Vanuatu (AOR:1.79, P = 0.007), and in households having >3 children aged 1-9years for SI (AOR:1.70, P = 0.035). Lower risk was detected in females for SI (AOR: 0.71, P = 0.01). Of sanitation variables, unimproved household latrines were associated with increased risk of active trachoma in Vanuatu (AOR:2.38, P = 0.002).
Conclusion: This study provides the first direct comparative analysis of trachoma prevalence across different Pacific nations, potentially facilitating the development of a targeted strategy to reduce active trachoma specifically in the Pacific region.