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Table 2 Participant characteristics

From: Validation of a short form Wisconsin Upper Respiratory Symptom Survey (WURSS-21)

Participants

  

Number (per cent)

  

Ethnicity*

 

Enrollment

 

White

198 (86.0)

Number of calls

2,169

Black

16 (7.0)

Enrolled in other study

534

Hispanic

1 (0.4)

Enrolled in this study

239

Asian

4 (1.7)

Completing protocol

230

Native American

2 (0.8)

  

Other/No response

10 (4.4)

Age and Sex

 

Income

 

Age range

14 to 83

<15 K/yr

91 (39.6)

Mean (SD)

34.1 (13.6)

15 to <25 K/yr

24 (10.4)

 

Number, per cent

25 to <50 K/yr

35 (15.2)

Women

153 (66.5)

50 to <75 K/yr

39 (17.0)

Men

77 (33.5)

75 to <100 K/yr

26 (11.3)

  

>100 K/yr

11 (4.8)

Education (highest achieved)

 

No response

4 (1.7)

Some HS

9 (3.9%)

Tobacco use

 

HS degree/GED

54 (23.5%)

Current > 5 cigarettes/day

18 (7.8)

Some college

61 (26.5%)

Current ≤ 5 cigarettes/day

19 (8.3)

College degree

104 (45.2%)

Past

50 (21.7)

  

Non-smoker

141 (61.3)

  

No response

2 (0.9)

  1. *One person self-identified as both white and Native America