Absence of part-time employees in comparison with that of full-time employees has not received much attention in organisational research up to now. Personnel departments of three industrial firms in the Netherlands made information available with respect to personal/demographic characteristics (age, marital status, level of education, and distance between home and work), work characteristics (type of work, shift work, and length of work-week), and absence behaviour of their female full-time and part-time employees (n=215). Length of work week, the central variable in this study, had a minimum value of 166 hours and a maximum of 40 hours. All employees worked five days a week. With the help of correlational and regression analyses, it was shown that female part-time employees are older, are more often married, live nearer to their work, and work less in shifts than their full-time counterparts. The main conclusion was that no significant relation exists between length of work-week and absence behaviour, when conditioning variables are kept under control.