According to the study by Cheng Wei-yuan and Liao Jung-li, one of the groups with the most problems related to the home is composed of policewomen, reporters, nurses, and sales clerks who cannot work a usual 9-to-5 day and must work at night.
據鄭為元與廖榮利的研究，上班時間無法朝九晚五的女性警察、記者，及需值夜班的護士、店員們，是對家務等問題困擾最多的一群。