The time use survey is an interview survey in which the respondents keep an accurate diary of their time use over a two-day period. Besides the time used for different activities, the survey also studies the daily and weekly rhythms of time use, and the time spent together with other people.
Official Statistics of Finland (OSF):
Time use survey [e-publication].
Helsinki: Statistics Finland [referred: 30.8.2015].
Access method: http://www.stat.fi/til/akay/meta_en.html