Effects of diurnal temperature range on diarrhea in the subtropical megacity of Dhaka, Bangladesh
Introduction: While numerous studies have assessed the association of diarrhea with temperature, few have addressed the relationship between within-day variation of temperature and diarrhea. Materials and methods: We investigated the association between diurnal temperature range (DTR) and daily coun...
| Main Authors: | , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2024-05-01
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| Series: | The Journal of Climate Change and Health |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2667278224000087 |
| _version_ | 1797237900082937856 |
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| author | Farhana Haque Fiona Lampe Shakoor Hajat Katerina Stavrianaki S.M.Tafsir Hasan ASG Faruque Shamim Jubayer Ilan Kelman Tahmeed Ahmed |
| author_facet | Farhana Haque Fiona Lampe Shakoor Hajat Katerina Stavrianaki S.M.Tafsir Hasan ASG Faruque Shamim Jubayer Ilan Kelman Tahmeed Ahmed |
| author_sort | Farhana Haque |
| collection | DOAJ |
| description | Introduction: While numerous studies have assessed the association of diarrhea with temperature, few have addressed the relationship between within-day variation of temperature and diarrhea. Materials and methods: We investigated the association between diurnal temperature range (DTR) and daily counts of hospitalizations for all-cause diarrhea in Dhaka, Bangladesh using time series regression analysis employing distributed lag-linear models. Defining DTRs below 10th, 5th and 1st percentiles as low, very low and extremely low DTR, and DTRs above 90th, 95th and 99th percentiles as high, very high and extremely high DTRs, we additionally analyzed the effects of extreme DTR on diarrhea hospitalization. Effects were assessed for all ages, under-5 children and by gender. Results: Although we did not find any significant effects of overall DTR and large DTRs, we detected significant effects of small DTRs on diarrhea hospitalization in all subgroups. A unit rise in low, very low and extremely low DTR was associated with a 4.9 % (95 % CI: 3.6 – 6.2), 7.1 % (95 % CI: 5.4 – 8.9) and 11.8 % (95 % CI: 8.3 – 15.5) increase in all-cause diarrhea hospitalization in all ages, respectively. A unit increase in low, very low and extremely low DTR was associated with a 4.9 %, 5.1 % and 18.4 % increase in all-cause diarrhea hospitalization in children under 5 years of age, respectively. The impact of extremely low DTR varied by gender (16.2 % in females versus 10.1 % in males). The effect of extremely low DTR was most pronounced in children under 5 years of age. Conclusion: Less variation in within-day temperatures is a risk factor for diarrhea hospitalization in Dhaka, Bangladesh. Further research is needed to elucidate the causal pathways and identify the preventive measures necessary to mitigate the impacts of lowering DTRs on diarrhea. |
| first_indexed | 2024-04-24T17:27:05Z |
| format | Article |
| id | doaj.art-8502b745e61c4bd38c84234664a2835d |
| institution | Directory Open Access Journal |
| issn | 2667-2782 |
| language | English |
| last_indexed | 2024-04-24T17:27:05Z |
| publishDate | 2024-05-01 |
| publisher | Elsevier |
| record_format | Article |
| series | The Journal of Climate Change and Health |
| spelling | doaj.art-8502b745e61c4bd38c84234664a2835d2024-03-28T06:39:19ZengElsevierThe Journal of Climate Change and Health2667-27822024-05-0117100305Effects of diurnal temperature range on diarrhea in the subtropical megacity of Dhaka, BangladeshFarhana Haque0Fiona Lampe1Shakoor Hajat2Katerina Stavrianaki3S.M.Tafsir Hasan4ASG Faruque5Shamim Jubayer6Ilan Kelman7Tahmeed Ahmed8Institute for Global Health (IGH), University College London (UCL), London, United Kingdom; UK Public Health Rapid Support Team (UK-PHRST), Department of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine (LSHTM), London, United Kingdom; Corresponding author at: London School of Hygiene and Tropical Medicine (LSHTM), Room 118, Keppel Street, London, WC1E 7HT.Institute for Global Health (IGH), University College London (UCL), London, United KingdomDepartment of Public Health, Environments and Society, London School of Hygiene and Tropical Medicine (LSHTM), London, United KingdomDepartment of Statistical Science, Institute for Risk and Disaster Reduction (IRDR), University College London (UCL), London, United KingdomNutrition and Clinical Services Division, International Centre for Diarrhoeal Diseases Research, Bangladesh (icddr,b), Dhaka, BangladeshNutrition and Clinical Services Division, International Centre for Diarrhoeal Diseases Research, Bangladesh (icddr,b), Dhaka, BangladeshNational Heart Foundation Hospital and Research Institute (NHF&RI), Dhaka, BangladeshInstitute for Global Health (IGH) and Institute for Risk and Disaster Reduction (IRDR), University College London (UCL), London, United Kingdom; University of Agder, Kristiansand, NorwayNutrition and Clinical Services Division, International Centre for Diarrhoeal Diseases Research, Bangladesh (icddr,b), Dhaka, BangladeshIntroduction: While numerous studies have assessed the association of diarrhea with temperature, few have addressed the relationship between within-day variation of temperature and diarrhea. Materials and methods: We investigated the association between diurnal temperature range (DTR) and daily counts of hospitalizations for all-cause diarrhea in Dhaka, Bangladesh using time series regression analysis employing distributed lag-linear models. Defining DTRs below 10th, 5th and 1st percentiles as low, very low and extremely low DTR, and DTRs above 90th, 95th and 99th percentiles as high, very high and extremely high DTRs, we additionally analyzed the effects of extreme DTR on diarrhea hospitalization. Effects were assessed for all ages, under-5 children and by gender. Results: Although we did not find any significant effects of overall DTR and large DTRs, we detected significant effects of small DTRs on diarrhea hospitalization in all subgroups. A unit rise in low, very low and extremely low DTR was associated with a 4.9 % (95 % CI: 3.6 – 6.2), 7.1 % (95 % CI: 5.4 – 8.9) and 11.8 % (95 % CI: 8.3 – 15.5) increase in all-cause diarrhea hospitalization in all ages, respectively. A unit increase in low, very low and extremely low DTR was associated with a 4.9 %, 5.1 % and 18.4 % increase in all-cause diarrhea hospitalization in children under 5 years of age, respectively. The impact of extremely low DTR varied by gender (16.2 % in females versus 10.1 % in males). The effect of extremely low DTR was most pronounced in children under 5 years of age. Conclusion: Less variation in within-day temperatures is a risk factor for diarrhea hospitalization in Dhaka, Bangladesh. Further research is needed to elucidate the causal pathways and identify the preventive measures necessary to mitigate the impacts of lowering DTRs on diarrhea.http://www.sciencedirect.com/science/article/pii/S2667278224000087Diurnal temperature rangeDTRDiarrheaDiarrheal diseasesDhakaBangladesh |
| spellingShingle | Farhana Haque Fiona Lampe Shakoor Hajat Katerina Stavrianaki S.M.Tafsir Hasan ASG Faruque Shamim Jubayer Ilan Kelman Tahmeed Ahmed Effects of diurnal temperature range on diarrhea in the subtropical megacity of Dhaka, Bangladesh The Journal of Climate Change and Health Diurnal temperature range DTR Diarrhea Diarrheal diseases Dhaka Bangladesh |
| title | Effects of diurnal temperature range on diarrhea in the subtropical megacity of Dhaka, Bangladesh |
| title_full | Effects of diurnal temperature range on diarrhea in the subtropical megacity of Dhaka, Bangladesh |
| title_fullStr | Effects of diurnal temperature range on diarrhea in the subtropical megacity of Dhaka, Bangladesh |
| title_full_unstemmed | Effects of diurnal temperature range on diarrhea in the subtropical megacity of Dhaka, Bangladesh |
| title_short | Effects of diurnal temperature range on diarrhea in the subtropical megacity of Dhaka, Bangladesh |
| title_sort | effects of diurnal temperature range on diarrhea in the subtropical megacity of dhaka bangladesh |
| topic | Diurnal temperature range DTR Diarrhea Diarrheal diseases Dhaka Bangladesh |
| url | http://www.sciencedirect.com/science/article/pii/S2667278224000087 |
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