Fig. 4
From: Monthly food insecurity assessment in rural mkushi district, Zambia: a longitudinal analysis
Mean and 95% confidence interval of HFI index over the six monthly visits by household a and distribution of the within-household variability of the HFI index (SD) by food insecurity group b. In panel a, for a given household, each dot is the mean value of index and the caps represent upper and lower bounds of the 95% confidence interval. Lower bounds are constrained to zero if negative. HFI, household food insecurity; SD, standard deviation