person identifier
diary identifier
time slot
start time of episode (minute of day)
end time of episode (minute of day)
primary activity
secondary activity
location of activity
inside or outside
with whom: alone (or with strangers)
with whom: child aged <18
with whom: spouse or partner
with whom: other adult/s
with whom: non household members
level of enjoyment
gender of diarist
age of diarist
day of the week diary kept