Fig. 2From: Body mass index and mild cognitive impairment among rural older adults in China: the moderating roles of gender and ageInteraction between BMI, gender and age in the prediction of cognitive function with adjusted 95% confidence interval based on the model 2. BMI, body mass index. Model 2 was adjusted for age, gender, marital status, household income, cigarette, alcohol consumption, physical activity, activities of daily livings, mental health. a represents BMI × gender. b represents BMI × age. c represents BMI × gender and BMI × age. d represents BMI × gender×ageBack to article page