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Table 1 Demographic and behavior characteristics of participants in a cohort study among people who inject drugs in Kerman, Iran

From: Proportion and reasons for loss to follow-up in a cohort study of people who inject drugs to measure HIV and HCV incidence in Kerman, Iran

Characteristics

Total (N = 98)

Lost to Follow-up (N = 50)

Retained in the cohort

(N = 48)

P-Value

Sex

 Female

14 (14.3%)

6 (12.0%)

8 (16.7%)

 

 Male

84 (85.7%)

44 (88.0%)

40 (83.3%)

0.509

Age

 Mean ± SD

39.75 ± 9.64

37.96 ± 8.86

41.79 ± 10.14

0.049

Ever homeless

 No

8 (8.2%)

4 (8.0%)

4 (8.5%)

0.927

 Yes

90 (91.8%)

46 (92.0%)

43 (91.5%)

Education

 Primary or less

37 (37.8%)

18 (36.0%)

19 (39.6%)

0.619

 Some or completed secondary or high school

53 (54.1%)

29 (58.0%)

24 (50.0%)

 University

8 (8.1%)

3 (6.0%)

5 (10.4%)

Living with their spouse/partner

 Yes (i.e., married, live with partners)

14 (14.2%)

8 (16.0%)

6 (12.5%)

 

 No (i.e., single, married but live alone, widowed)

84 (85.8%)

42 (84.0%)

42 (87.5%)

0.621

Job Status

 Unemployed

23 (23.5%)

10 (20.0%)

13 (27.1%)

 

 Employed

75 (76.5%)

40 (80.0%)

35 (72.9%)

0.408

Monthly income

 Under 1,000,000 T (<$100)

65 (66.3%)

34 (68.0%)

31 (64.6%)

0.303

 1,000,000-4,999,999 T ($100–499)

31 (31.6%)

14 (28.0%)

17 (35.4%)

 5,000,000 T or more (>$500)

2 (2.1%)

2 (4.0%)

0

Alcohol use in the last 12 months

 No

77 (79.4%)

36 (73.5%)

40 (85.1%)

0.160

 Yes

20 (20.6%)

13 (26.5%)

7 (14.9%)

Injecting frequency reported in the last 3 months

 No recent injection

15 (15.3%)

11 (22.5%)

4 (8.3%)

0.160

 < weekly

34 (34.7%)

16 (32.6%)

18 (37.5%)

 < not daily but at least weekly (i.e., weekly)

22 (22.5%)

8 (16.3%)

14 (29.2%)

 Daily

27 (27.5%)

14 (28.6%)

12 (25.0%)

Injected with another person in the last 12 months

 No

35 (35.8%)

18 (36.0%)

17 (36.2%)

0.986

 Yes

63 (64.2%)

32 (64.0%)

30 (63.8%)

Receptive injecting equipment sharing in the last 12 months

 No

90 (91.9%)

44 (88.0%)

46 (95.8%)

0.157

 Yes

8 (8.1%)

6 (12.0%)

2 (4.2%)

Receptive syringe sharing in the last 12 months

 No

92 (93.9%)

46 (92.0%)

46 (95.8%)

0.429

 Yes

6 (6.1%)

4 (8.0%)

2 (4.2%)

Ever history of drug overdose

 No

57 (58.1%)

26 (52.0%)

31 (64.6%)

0.207

 Yes

41 (41.9%)

24 (48.0%)

17 (35.4%)