Ambient Temperature Effects on Hospitalization Risk Among Farmers: A Time-Series Study on Multiple Diseases in
Nu Quy Linh Tran1, Thi Tuong Vy Nguyen, Cordia Chu
1From the Center for Environment and Population Health, Griffith University, Brisbane, Australia (N.Q.L.T., C.C., H.P.); Graduate School of Public Health, International University of Health and Welfare, Narita, Japan (N.T.T.V.); Research School of Economics, The Australian National University, Canberra, Australia (S.N.); and School of Public Health, The University of Queensland, Brisbane, Australia (D.P.).
Objective:
The aim of the study is to assess the effect of high temperatures on hospitalization for all causes and heat-sensitive diseases among Vietnamese farmers.
Methods:
The Poisson generalized linear model and distributed lag nonlinear model were used to investigate the temperature-hospitalization association for all causes and seven cause-specific disease groups.
Results:
Every 1°C increase in daily mean temperature above the threshold increased the estimated relative risk (95% CI) of all-cause hospitalization by 1.022 (0.998-1.047) at the country level, 1.047 (1.007-1.089) in the south, and 0.982 (0.958-1.006) in the north. Infectious disease hospitalization was most affected by high temperatures (1.098 [1.057-1.140]). High temperatures significantly increased the risk of all-cause hospitalization for farmers 60 years and younger in three of the six provinces.
Conclusions:
The findings emphasized the need for health promotion programs to prevent heat-related health issues.
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