A count of the number of «rules» or routines was derived from the following: «always» responses to
question on regular meals at sweep 2, a
question on regular bedtime at sweep 5 and four
questions at sweep 5 on whether the child had to tidy up toys, brush teeth, stay in
room, and turn off TV or music in
room (using 4 - point
scale - always / usually / sometimes / never or almost never).