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. 2012 Feb 1;120(5):637–645. doi: 10.1289/ehp.1104194

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Systematic review of variables that influence the adoption of ICSs. Each analysis of ICS adoption casts one “vote” for every variable that it includes. The sign of the vote (positive or negative) reflects the direction of the association with ICS adoption. Abbreviations: agri, agriculture; avail, availability; educ, education; elec, electricity; empl, employment; kero, kerosene; lab, labor; soc marg, socially marginal status; fem, female; HH, household. ^aChild is a variable created by merging three variables: presence of children in household, number of children, and proportion of children < 15 years of age. ^bAge is a variable created by merging four variables: age of head of household, age of head of household if > 30 years of age, wife’s age, and mean household age (see Supplemental Material, Table 1).