Institutionalisation is extremely common, esp.
in rigid, ordered societies, eg. the army, prisons,
convents/monasteries, psychiatric hospitals and the
police service.
It has been estimated that 7 months in a total
institution of these types will initiate this 'disorder'.
Eventually it becomes permanent. Any prison
officer will tell the tale,(truthfully) of the 'old lag'
who is released from gaol but is back the next day
saying that he cannot cope.
Housewives and mothers easily fall prey to this
disorder too, and become agoraphobic ; perhaps
the commonest form of phobia in the UK.
It could be said that everyone suffers from a type
of 'subclinical institutionalisation'. Look closely at
your neighbours, folks, then more closely at
yourselves. It's all around you.