A case control study investigating the effects of levels of physical activity at work as a risk factor for prostate cancer

Table 2 Demographic description of characteristics of cases and controls

Variable	Cases (n = 1436)		No. of controls (n = 1349)
Age group	n	%	n	%
39- 55	296	20.6	329	24.4
55 - 59	328	22.8	217	16.1
60 - 64	359	25.0	398	29.5
65 - 70	453	31.5	405	30.0
Country of birth
Australia	988	68.8	816	60.5
Not-Australia	448	31.2	533	39.5
Educational level
Primary only	97	6.8	135	10.0
Secondary only	459	32.1	426	31.7
Post-secondary training	633	44.2	581	43.2
Tertiary	243	17.0	202	15.0
Family history
No first degree relative affected	1180	82.6	1257	93.8
At least one first degree relative affected	249	17.4	83	6.2
Marital status
Married/de facto	1230	85.8	1140	85.2
Once married	159	11.1	142	10.8
Never married	45	3.1	65	4.0
State
New South Wales	419	29.2	319	23.6
Victoria	767	53.4	781	57.9
Western Australia	250	17.4	249	18.5

ISSN: 1476-069X