Climate Change and Socio-Demographic Intricacies: Exploring Compound Relationships between Climate Extremes, Child Health, and Resilience

Seminar no. 1370 (Special)
21 January 2026 Time: 14:00 – 15:00 hrs.

Speaker: Atiq Kainan Ahmed (Ph.D. IPSR Student)

Climate change increasingly manifests as a compound risk, wherein climatic hazards, socio-demographic inequalities, and disaster trends converge to amplify risks across various scales. This research develops a multi-layered methodological framework to investigate child health outcomes, focusing on stunting, wasting, and under-five mortality (U5MR). The study is conducted on two levels: a) macro-level (a global, multi-country analysis), and b) micro-level analysis centered on Bangladesh, utilizing the latest Bangladesh Demographic and Health Survey (BDHS 2022) dataset and localizing the analysis to 674 clusters within Bangladesh. At the macro level, weighted regression models across 215 countries integrate climatic exposures (temperature, hot days ≥35°C, precipitation extremes, PM2.5) with socio-demographic determinants (GDP per capita, poverty, universal health coverage, nutrition affordability, female literacy) and disaster trends. The results demonstrate that wasting is primarily driven by climate and socio-demographic factors, whereas stunting arises from the cumulative effects of environmental and socioeconomic vulnerabilities. The U5MR is predominantly influenced by systemic governance, healthcare coverage, and disasters. At the micro level, nationally representative data from the BDHS 2022 are linked to high-resolution datasets on climate, air pollution, and disasters. Findings indicate that variability in precipitation consistently functions as a climatic determinant of undernutrition, whereas maternal education, household wealth, and antenatal care serve as protective factors. Mortality exhibits the greatest sensitivity to compound risks, with disaster exposure and air pollution significantly affecting outcomes even after adjusting for socio-demographic variables. These findings affirm the conceptual underpinning of this research, which posits compound risk as a multi-layered construct shaped by the complexities of climate hazards, socio-demographic exposures, and disaster trajectories, structured across macro- and micro-contexts. Keywords: Climate change, Compound risk, Socio-demographic intricacies, Child health outcomes, Disaster, Macro-micro analysis.

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