Effects of on-call work on well-being: results of a daily survey.

Background: Flexible work schedules and on-call work are becoming more and more common in working life. However, little is known about the effects of on-call work on health.

Methods: Using a daily survey method, 31 employees from an Information Technology Service Organisation filled out a questionnaire four times a week while they were on call and another four times a week while they were not on call.