Skip to main content

Table 2 Study population demographics, stratified by lymphoma status

From: Environmental exposures and lymphoma risk: a nested case–control study using the Golden Retriever Lifetime Study cohort

  

Case

(n = 49)

Control

(n = 98)

n

(%)

n

(%)

Age at diagnosis or match, years

Median (range)

5.80

(1.72—9.60)

5.75

(1.67—9.63)

Sex

Female intact

7

(14.3%)

14

(14.3%)

Female spayed

16

(32.7%)

32

(32.7%)

Male intact

9

(18.4%)

18

(18.4%)

Male neutered

17

(34.7%)

34

(34.7%)

Age at gonadectomy, yearsa

Median (range)

1.06

(0.22—4.64)

0.93

(0.21—4.71)

Number of times moved

0

40

(81.6%)

71

(72.4%)

1

7

(14.2%)

23

(23.5%)

2

2

( 4.1%)

2

( 2.0%)

3

0

( 0.0%)

2

( 2.0%)

Years lived at longest residence

Median (range)

5

(1—8)

6

(2—9)

Currently lives at longest residence?

Yes

45

(91.8%)

88

(89.9%)

Urbanicity of longest residence

Rural

13

(26.5%)

25

(25.5%)

Suburban

30

(61.2%)

66

(67.3%)

Urban

6

(12.2%)

7

( 7.1%)

Geographic region of longest residenceb

Pacific

3

( 6.1%)

13

(13.3%)

Mountain

6

(12.2%)

12

(12.2%)

Midwest

16

(32.7%)

24

(24.5%)

Northeast

10

(20.4%)

23

(23.5%)

South

14

(28.6%)

26

(26.5%)

  1. aamong gonadectomized dogs only
  2. bPacific: CA, OR, WA; Mountain: CO, AZ, NV, ID, UT, WY, MT, NM; Midwest: ND, SD, NE, KS, MN, IA, MO, WI, IL, IN, MI, OH; Northeast: PA, NJ, NY, CT, RI, MA; South: OK, TX, MD, DE, AR, LA, MS, AL, GA, FL, KY, TN, SC, NC, WV, VA