Skip to main content

Table 2 Baseline characteristics of CanCHEC (1991–2010) subjects aged 25 to 74 years at baseline, by employment status

From: Cancer risks in a population-based study of 70,570 agricultural workers: results from the Canadian census health and Environment cohort (CanCHEC)

Characteristics

Agricultural Workers (n = 70,570)

Working Cohort (n = 2,051,315)

Males

Females

Males

Females

N

(%)

N

(%)

N

(%)

N

(%)

Age at entry to cohort

 Mean age in years (SD)

46.4

(13.7)

44.8

(12.5)

41.7

(11.3)

40.2

(10.5)

 25–34 years

12,840

(25.7)

5355

(26.0)

359,075

(32.4)

336,870

(35.7)

 35–44 years

11,640

(23.3)

5500

(26.7)

341,515

(30.8)

309,600

(32.8)

 45–54 years

9245

(18.5)

4640

(22.5)

229,460

(20.7)

187,465

(19.9)

 55–65 years

10,195

(20.4)

3520

(17.1)

143,895

(13.0)

91,135

(9.7)

 65–74 years

6045

(12.1)

1590

(7.7)

34,465

(3.1)

17,845

(1.9)

Province of residence

 Newfoundland and Labrador

250

(0.5)

80

(0.4)

21,815

(2.0)

17,530

(1.9)

 Prince Edward Island

500

(1.0)

165

(0.8)

4945

(0.4)

4475

(0.5)

 Nova Scotia

900

(1.8)

370

(1.8)

34,750

(3.1)

28,405

(3.0)

 New Brunswick

800

(1.6)

350

(1.7)

27,600

(2.5)

22,615

(2.4)

 Quebec

7845

(15.7)

3070

(14.9)

276,120

(24.9)

226,375

(24.0)

 Ontario

12,290

(24.6)

5375

(26.1)

404,130

(36.5)

352,165

(37.3)

 Manitoba

4545

(9.1)

1525

(7.4)

47,375

(4.3)

40,190

(4.3)

 Saskatchewan

9395

(18.8)

3320

(16.1)

42,050

(3.8)

35,805

(3.8)

 Alberta

9295

(18.6)

3875

(18.8)

107,405

(9.7)

92,730

(9.8)

 British Columbia

4045

(8.1)

2455

(11.9)

130,815

(11.8)

112,920

(12.0)

 Yukon, Northwest Territories, Nunavut

100

(0.2)

20

(0.1)

11,395

(1.0)

9705

(1.0)

Highest level of education

 No high school diploma

27,080

(54.2)

9785

(47.5)

322,190

(29.1)

233,565

(24.8)

 High school or trade certificate

16,440

(32.9)

7150

(34.7)

444,560

(40.1)

360,215

(38.2)

 Post-secondary non-university

4345

(8.7)

2845

(13.8)

154,165

(13.9)

207,865

(22.0)

 University degree

2100

(4.2)

825

(4.0)

187,495

(16.9)

141,260

(15.0)

Subtotal

49,965

(70.8)a

20,605

(29.2)a

1,108,410

(54.0)b

942,905

(46.0)b

Person-years of follow-up

Total (Mean)

789,390

(17.1)

448,205

(17.9)

19,635,045

(17.7)

17,116,840

(18.2)

  1. Note: case counts below 5 have been suppressed and all counts have been randomly rounded to base 5 in accordance with Statistics Canada disclosure rules
  2. aPercentage calculated from total number of agricultural workers (n = 70,570)
  3. bPercentage calculated from total number of subjects in working cohort (n = 2,051,315)