Defined as:

Bulimia without inappropriate compensatory behaviour
binge eating with no purging type behaviour

Other factors:

obesity

Symptoms are:

Physiological:
Cognitive:
Affective:
Behavioural:

Prevalence: (community), (clinical)

median onset age 21
lifetime 2%
current 0.6-1%
higher in females 2x high in maori and pacific people
no diff by income or educatrion