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Table 2 Demographic characteristics of index cases compared with contacts (both sexual and social)

From: Giving syphilis and gonorrhea to friends: using in-person friendship networks to find additional cases of gonorrhea and syphilis

 

Index cases (%) (n = 354)

Contacts (%) (n = 172)

P-value

Male

72.0

50.0

< 0.001

Age: under 18

3.7

2.3

0.4

Age 18–24 years

30.8

20.4

0.01

Age 25–34 years

22.0

19.2

0.5

Age 35–44 years

31.6

31.4

1.0

Age 45–60 years

11.9

26.7

< 0.001

Straight-identified

82.5

92.4

0.002

MSM (among men)

14.2

2.6

0.006

WSM (among women)

99.0

95.7

0.2

Ever married

21.8

31.4

0.02

Employed full-time

38.9

25.4

0.002

Black or African-American

92.1

97.1

0.03

High school graduate

62.4

59.9

0.6

Imprisoned in past 10 years

35.3

36.6

0.8

Imprisoned in past 6 months

9.0

5.8

0.2

Injected drugs in past 10 years

12.7

18.6

0.07

Injected drugs in past 6 months

4.8

7.0

0.3

  1. Percentages are percent of column. P-value is from a chi-square test and reported to 1 significant digit