. Author manuscript; available in PMC: 2011 Jul 1.

Published in final edited form as: J Occup Health Psychol. 2010 Jul;15(3):252–266. doi: 10.1037/a0019303

Table 2.

Descriptive statistics, estimated correlations among, and reliabilities (on the diagonal) for job demand and control variables.

	M	SD	Range	PD	PE	HC	CN
Psychological demands (PD)	7.35	2.68	3 – 12	0.87
Physical exertion (PE)	11.68	3.37	5 – 20	0.61	0.72
Hazardous conditions (HC)	12.92	4.18	8 – 32	0.29	0.41	0.83
Control (CN)	5.26	2.34	3 – 12	−0.06	−0.02	0.17	0.78

N = 285