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Table 1 Sociodemographic characteristics

From: Risky injection practices and HCV awareness in Chiang Mai Province, Thailand: a respondent-driven sampling study of people who inject drugs

Sociodemographic characteristics (N = 164)

N (%)

Population estimates in % [95% CI]

Sex (female)

20 (12.2)

12.3 [6.5–18.0]

Age (years)

  < 25

32 (19.5)

16.5 [8.0–25.1]

 25–34

59 (36.0)

35.4 [25.6–45.2]

 35–44

46 (28.1)

28.1 [19.3–36.8]

  ≥ 45

27 (16.5)

20.0 [10.2–29.8]

Ethnic group

 Thai

83 (50.6)

46.1 [32.9–59.2]

 Lahu

42 (25.6)

34.7 [21.2–48.4]

 Othera

39 (23.8)

19.2 [10.9–27.4]

Nationality (Thai)

138 (84.2)

83.1 [75.4–90.9]

Family situation

 In a relationship/married

79 (48.2)

52.8 [42.6–63.0]

 Has dependents (children or relatives)

99 (60.4)

61.0 [51.5–70.5]

Education (high school or higher)

70 (42.7)

36.9 [25.8–48.0]

Activity

 Employed

31 (18.9)

19.1 [11.4–26.8]

 Independent worker

9 (5.5)

6.0 [1.0–11.1]

 Informal work/daily work

108 (65.9)

64.1 [52.3–76.0]

 No activity/student

16 (9.8)

10.7 [0.0–22.1]

Weekly income in THBb

  < 1000

16 (9.8)

12.7 [6.2–19.3]

 1000–2500

90 (54.9)

57.3 [48.7–66.0]

 2500–4000

43 (26.2)

23.6 [16.0–31.1]

  ≥ 4000

15 (9.2)

6.3 [2.5–10.2]

Ever been arrested for drug use

114 (70.0)

68.1 [59.0–77.3]

Ever been in prison

99 (60.4)

56.8 [46.7–67.2]

  1. aAkha, Lisu, Tai Yai, Burmese, and Karens
  2. bUSD 1.00 = THB 31.20 (Thai baht), conversion rate at the time of the study