Comparison of alternative versions of the job demand-control scales in 17 European cohort studies: the IPD-Work consortium

Table 2 Job demand and control items in the cohorts included in the IPD-Work meta-analysis (questionnaire used in study)*

	Belstress (JCQ), GAZEL (JCQ), HeSSup (JCQ), SLOSH (DCQ), WOLF N (DCQ), WOLF S (DCQ)	COPSOQ (Mainly DCQ)	DWECS (Mainly DCQ)	FPS (JCQ)	HNR (JCQ)	IPAW (DCQ)	KORA (Mainly JCQ)	NWCS (Other)	POLS (Other)	PUMA (Mainly DCQ)	Still Working (Other)	WH II (Mainly DCQ)
Job demand
1. Working very fast	X	X	X		X	X	X	X	X	X		X
2. Working very hard/intensively	X			X	X		X	X				X
3. No excessive amount of work/too much effort	X			X	X		X	X
4. Enough time	X	X	X	X	X	X	X	X	X	X	X	X
5. Conflicting demands	X	X	X				X			X	X	X
Job control
1. Learn new things	X	X	X	X	X	X	X		X	X	X	X
2. High level of skill	X	X	X	X	X	X	X			X	X	X
3. Creativity/initiative	X	X	X	X	X	X	X	X	X	X		X
4. Repetitive work	X	X	X	X	X	X	X		X	X	X	X
5. A lot of say/what to do	X	X	X	X	X	X			X	X	X	X
6. Little freedom/how to do	X	X		X	X	X	X	X	X		X	X

Belstress-Belgian Job Stress Study I, Belgium; COPSOQ-Copenhagen Psychosocial Questionnaire Study, Denmark; DWECS-Danish Work Environment Cohort Study, Denmark; FPS-Finnish Public Sector Study, Finland; GAZEL-Gaz et Electricité Cohort Study, France; HeSSup-Health and Social Support Study, Finland; HNR-Heinz Nixdorf Recall Study, Germany; IPAW-Intervention Project on Absence and Well-being Study, Denmark; KORA-Cooperative Health Research in the Region Augsburg/MONICA, Germany; NWCS-Netherlands Working Condition Survey, Netherland; POLS-Permanent Onderzoek Leefsituatie/Continuous Survey on Living Conditions, Netherland; PUMA-Copenhagen Burnout Inventory Study, Denmark; SLOSH-Swedish Longitudinal Occupational Survey of Health, Sweden; Still Working-Still Working study, Finland; WH II-Whitehall II study, United Kingdom; WOLF N-Work, Lipids and Fibrinogen Study, Norrland, Sweden; WOLF S-Work, Lipids and Fibrinogen Study, Stockholm, Sweden.
* JCQ = Job Content questionnaire; DCQ = Demand control questionnaire; Mainly DCQ/Mainly JCQ = Minor modifications from the original questionnaire; Other = job strain scale with proxy items. For formulations of the items used in respective study, please contact the corresponding author.

ISSN: 1471-2458