Ambient air temperatures in India have broken record highs. Solutions are needed to build heat resilience in communities and adapt to increasing heat from climate change. Sunlight-reflecting cool roof coatings may passively reduce indoor temperatures and energy use to protect home occupants from extreme heat. Occupants living in poor housing conditions are susceptible to increased heat exposure. Heat exposure can instigate and worsen mental health. The worst adverse health effects are experienced in communities that are least able to adapt to heat exposure. By reducing indoor temperatures, cool roof use can promote mental wellbeing in household occupants. The long-term research goal of the investigators is to identify viable passive housing adaptation technologies with proven health benefits to reduce the burden of heat stress in communities affected by heat. To meet this goal, the investigators will conduct a cluster-randomized controlled trial to establish the effects of cool roof use on mental health in Ahmedabad, India.
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Depression
Timeframe: Eight measurements will be taken: one at baseline and seven over 12 months, covering three consecutive hottest months and four alternate months.