Population Health Surveillance Using Mobile Phone Surveys in Low- and Middle-Income Countries: Methodology and Sample Representativeness of a Cross-sectional Survey of Live Poultry Exposure in Bangladesh

Isha Berry   ¹ , MSc ;   Punam Mangtani   ² , MBBS, MSc, MD ;   Mahbubur Rahman   ³ , MBBS, MPH ;   Iqbal Ansary Khan   ³ , MBBS, MPH ;   Sudipta Sarkar   ³ , MBBS, MPH ;   Tanzila Naureen   ³ , MBBS, MPH ;   Amy L Greer   ^{1, 4} , MSc, PhD ;   Shaun K Morris   ^{1, 5} , MD, MPH ;   David N Fisman   ¹ , MD, MPH ;   Meerjady Sabrina Flora   ³ , MBBS, PhD

¹ Dalla Lana School of Public Health, University of Toronto, Toronto, ON, Canada

² London School of Hygiene and Tropical Medicine, London, United Kingdom

³ Institute of Epidemiology, Disease Control and Research, Dhaka, Bangladesh

⁴ Department of Population Medicine, University of Guelph, Guelph, ON, Canada

⁵ Division of Infectious Disease and Center for Global Child Health, The Hospital for Sick Children, Toronto, ON, Canada