Construct: Social support: supervisor, coworkers, and personal relationships
Source: Caplan, R. D., Cobb, S., & French, J. R. (1975). Job demands and worker health; main effects and occupational differences. In Hew Publication (NIOSH) (Vol. 75). DHEW.
Hagen, D. Q. (1977). Job Demands and Worker Health—Main Effects and Occupational Differences. Psychosomatic Medicine, 39(1), 64.
Note: 12 items, 4 items per each referent group