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Table 2 Covariate constrained randomization variables

From: Enhancing LPG adoption in Ghana (ELAG): a factorial cluster-randomized controlled trial to Enhance LPG Adoption & Sustained use

Variable

Rationale

Community Asset Index

Scientific articles have shown that differential access to resources can be predictive in the uptake of new cookstove technologies (19–21).

Average Household Size

Scientific articles have shown that household size can be predictive in the uptake of new cookstove technologies (19–21).

Distance to Refueling Station

Study communities are scattered throughout the region at varying distances from the refueling center. Further distances are likely a deterrent to refuel for non-Agent delivery households, see map.

Households per cluster

To ensure roughly equal number of participating households per arm.