Table 1 Description of study subject characteristics and occupational history

From: Chrysotile fibers in tissue adjacent to laryngeal squamous cell carcinoma in cases with a history of occupational asbestos exposure

Case ID

Primary tumor site

HPV16 serostatus

Sex

Age at diagnosis (years)

Race/ethnicity

Smoking pack-years

Average alcoholic drinks per week

Asbestos-exposed occupation(s)/industry(s)

Years in asbestos-exposed occupation(s)

HN1

Larynx

Negative

Male

61

Caucasian

84.0

7.5

Autobody repair

44.0

HN2

Larynx

Negative

Male

65

Caucasian

0.0

12.0

Space shuttle thermal protection applicator; firefighter

26.5

HN3

Larynx

Negative

Male

62

Caucasian

23.5

99.2

Automotive mechanic

37.5

HN4

Oropharynx

Negative

Male

56

Caucasian

49.5

2.7

Automotive mechanic

5.0

HN5

Oropharynx

Negative

Male

77

Caucasian

5.9

11.8

School custodian/army artillery

31.5

HN6

Larynx

Negative

Male

66

Caucasian

114.0

19.3

Metal lather

56.0

HN7

Larynx

Negative

Male

64

Caucasian

39.0

80.3

Nonexposed control (truck driver)

0.0