This is a 4-digit numeric variable.
TIME reports the duration of the activity.
The user should note one key difference between the ATUS (2003 + samples) and the earlier heritage data sets. The earlier surveys have diaries that start and end at midnight. The ATUS diaries begin at 4:00 and end at 4:00 on the following morning.
- All activities.
- 1965, 1975, 1985, 1993, 1995, 1998, 2003-2012