. Author manuscript; available in PMC: 2009 Oct 2.

Published in final edited form as: Ann Behav Med. 2006 Aug;32(1):60–67. doi: 10.1207/s15324796abm3201_7

TABLE 1.

Sociodemographic Characteristics of Study Sample

	Job Strain
	No^a		Yes^b
Characteristic	N	%	N	%	Total N
Gender
Male	711	68	247	61	958
Female	328	32	156	39	484
Race
Asian/Pacific Islander	70	7	33	8	103
Black	49	5	30	8	79
Hispanic	136	13	54	13	190
White	784	75	286	71	1,070
Education
High school or less	440	43	212	53	652
Some post–high school	341	33	140	35	481
College graduate or more	253	24	45	11	298
Manager
No	825	79	379	94	1,204
Yes	214	21	24	6	238

	M	SD	M	SD

Age (years)	43.48	11.81	42.53	11.32	1,442
Leisure time physical activity (hours)	5.83	4.73	5.15	4.69	1,442
Psychological demands	4.08	1.64	4.93	0.99	1,442
Job control	5.00	0.86	3.18	0.64	1,442
Heavy occupational physical activity (hours)	8.06	.97	10.17	1.12	1,440

n =1,039.

n = 403.

N = 1,442.