Work related and individual predictors for incident neck pain among office employees working with video display units

by:Frank Tech     2020-07-03
Safactaims: investigate work-related personal factors as a predictor of neck pain in office employees using video display units (VDUs.
Methods: employees of three administrative units (n = 515) in a medium-sized city in Finland received a mailing questionnaire in the baseline survey in 1998 and the follow-up survey in 1999.
The response rate at baseline was 81% (n = 416 );
Respondents who reported neck pain less than 8 days in the last 12 months were included in the study cohort as healthy subjects (n = 232 ).
78% follow-up questionnaires (n = 180) were completed after 12 months ).
Neck events refer to cases where neck pain has been reported for at least 8 days over the last 12 months.
Results: The annual incidence of neck pain was 34. 4% (95% CI 25. 5 to 41. 3).
Poor working environment, poor keyboard placement, increased the risk of neck pain.
Women are a strong predictor of individual factors.
Smoking increases the risk of neck pain.
There is an interaction between mental stress and physical exercise. people with greater mental pressure and less physical exercise are particularly risky.
Conclusion: in the prevention of neck disease in office work with high frequency of VDU tasks, attention should be paid to the overall working environment and more specific aspects of VDU workstation layout.
Physical exercise can prevent neck diseases of sedentary employees.
Methods three municipal administrative units were studied.
The research population is the entire population of full-time employees whose work includes VDU (n = 515) who work more than four hours a week ).
A total of 416 workers participated in the baseline survey in 1998 (81% per cent ).
From baseline respondents, the subjects of interest were those who reported local or radiation neck pain for less than 8 days in the last 12 months.
These subjects were classified as \"healthy\" at baseline (n = 232 ).
The cohort was studied after 12 months with a response rate of 78% (n = 180 ).
In follow-up on 1999, the accident cases were those workers who reported local neck pain or radiation neck pain for at least 8 days in the last 12 months.
Collect questionnaire data through structured mailing questionnaires.
The assessment of potential risk factors takes into account a variety of physical and psychological workload as well as ergonomic factors.
The questionnaire also included questions about lifestyle and psychosocial factors.
Event cases were healthy subjects at baseline and during the last 12 months they reported local or radiation neck pain for at least 8 days at follow-up.
The exact wording of the question about local neck pain is as follows: \"estimate the total number of days you have had local neck pain (no radiation) in the last 12 months \".
There are five categories of the original topic: 0 days, 1-7 days, 8-30 days,> 30 days but not every day and every day.
The wording of radiation pain is as follows: \"It is estimated that the total number of days of neck pain radiating to the upper limb (forearm, hand or finger) is 12 months before \".
There are five categories of the original topic: 0 days, 1-7 days, 8-30 days,> 30 days but not every day and every day.
In the analysis, we combined the first two classes because we thought that some days of neck pain did not mean disease.
We also combine the last three categories.
Therefore, two category variables were used: 0-7 days (health) and 8 days or more (neck pain ).
In 1998 baseline questionnaires, we used 11 work-related variables and 11 individual variables as potential predictors of the results.
Based on our assumptions and previous evidence, we selected these factors in the study as shown below.
Time of work-related factors used for VDU work (self-rating ratio of time spent on VDU work as a percentage of total working hours ).
The exact wording of the question is: \"estimate how much percentage of your working hours in the previous month are used for each of the following tasks \".
The definition of VDU work is to use a keyboard or other input or control device, including short thought cycles and checking results on the screen.
In the analysis, the dichotomy of
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