The 1st primary objective of this study is to examine patterns in the course of fatigue among employees performing physically demanding work over a period of a workday, workweek and weekend break.The 2nd primary objective of this study is to examine…
ID
Source
Brief title
Condition
- Lifestyle issues
Synonym
Research involving
Sponsors and support
Intervention
Outcome measures
Primary outcome
The course of fatigue, as measured by:
- Karolinska sleepiness scale (proxy for fatigue): Self-rated sleepiness;
- Psychomotor vigilance task (proxy for fatigue): Mean RT, number of lapses (RT
* 355 ms) and false starts of each test (RT < 100 ms or a response without a
provided stimulus);
- Eye tracker (proxy for fatigue): Number of fixations, fixation duration,
pupil diameter and blinking rate.
Determinants of fatigue consist of:
- Measurements of activity intensity measured by an actigraph during working
hours;
- Measurements of noise and temperature measured by a wearable and stationary
environment tracker during working days;
- Measurements of sleep quality measured by a single item question;
- Measurements of sleep behaviour measured by an actigraph throughout the
complete study.
Furthermore, general aspects of fatigue are included among the primary study
parameters and are measured by two questionnaires in the baseline questionnaire
(CIS-8; NFR).
Secondary outcome
- Measurements of productivity measured by the QQ-scale (2 items);
- Measurements of performed work activities measured by a single item question;
- General aspects of health, work and social-demographics (baseline
questionnaire).
Background summary
Fatigue imposes problems for the aging working population. When fatigue
accumulates and is not sufficiently anticipated with recovery, this can result
into adverse health effects, reduced productivity, and increased accident and
sickness absence rates. One strategy to prevent these adverse effects is by
obtaining control over fatigue accumulation, with monitoring the course of
fatigue as a first step. So far, studies on monitoring fatigue on a day-to-day
level are limited. Therefore, we aim to examine patterns in the course of
fatigue over a period of a workday, workweek and weekend break among workers
performing physically demanding work.
Study objective
The 1st primary objective of this study is to examine patterns in the course of
fatigue among employees performing physically demanding work over a period of a
workday, workweek and weekend break.
The 2nd primary objective of this study is to examine the influence of fatigue
determinants on the course of fatigue. These consist of physical activity at
work, work environment characteristics (temperature & noise levels) and sleep
quality and quantity.
Study design
A prospective cohort study among employees performing physical demanding work
will be conducted over the course of 16 days in four different companies in the
Netherlands (Engie, NAM, Reym, UMCG).
Study burden and risks
The majority of measurements will be conducted during working hours. The
measurements cover a period of 16 days and includes: A baseline questionnaire
(15 min); daily question about sleep quality (1 min); tri-daily question about
sleepiness (3x 1 min); daily question about performed work activies on working
days and self-rated productivity and workability (3 min); tri-daily reaction
test (3x 3 min).
On a work day, a participant will spend approximately 16 minutes on the
research; on a weekend day approximately 4 minutes. Total time investment is
approximately 3-3.5 hours. To our knowledge, there are no known risks of the
planned measurements.
Hanzeplein 1
Groningen 9713 GZ
NL
Hanzeplein 1
Groningen 9713 GZ
NL
Listed location countries
Age
Inclusion criteria
work * four days a week and * 0.8 full time equivalent (FTE) and available throughout the scheduled study period (weekend trips are allowed).
Exclusion criteria
none
Design
Recruitment
Followed up by the following (possibly more current) registration
No registrations found.
Other (possibly less up-to-date) registrations in this register
No registrations found.
In other registers
| Register | ID |
|---|---|
| CCMO | NL59405.042.16 |