Predicted odds ratios for severe (a) and moderate (b) food insecurity compared with none or mild food insecurity, based on primary caregiver's level of education, age in years and marital status (, married; , cohabiting; , single/divorced/separated/widowed) at baseline; caregivers (n 298) of children aged 6–18 months, Intibucá, rural Honduras, March–April 2009. *Referent was caregivers aged 23–30 years who had attained more than a primary-school level of education and who were married at baseline