At some point in time most parents will describe their child as a ‘fussy eater’ | Paediatrics and Child Health
Because fussiness is not well defined and can, of course, be very subjective, it is sometimes difficult to estimate the prevalence of real ‘fussy’ eating. It is best described as food refusal above and beyond the expected norm, but because different questionnaires measuring different constructs are given to parents of children of a range of ages, the best we can do is to come up with an estimate of around 30% of children being described as truly ‘fussy’.
Full reference: Harris, G. (2017) Managing the fussy eater. Paediatrics and Child Health. Published online: May 19, 2017