Graph of the interaction between education and occupation (adjusted ors* and 95%ci*).* Each bar represents the predicted odds in each group relative to the reference group (education = none; occupation = agricultural). The ORs are adjusted for age group, urban/rural residence, parity, dietary indicators, smoking and alcohol consumption.
Aitsi-Selmi et al. BMC Public Health 2013 13:769 doi:10.1186/1471-2458-13-769