Table 4 Individual and social network characteristics associated with willingness to distribute HIVST kits to sexual partners or drug use partners among HIV-negative PWID in the San Diego–Tijuana border region

Socio-demographics

  Mean age in years

44.7

SD = 10.1

42.9

SD = 11.0

0.997

0.994, 1.001

  Identifies as Hispanic/Latinx/Mexican

78

76.5

311

71.2

0.95

0.87, 1.04

  Assigned male sex at birth

78

76.5

325

74.4

0.98

0.89, 1.07

  San Diego resident

62

60.8

308

70.5

1.09

0.99, 1.20

  Mean years of education^a

8.7

SD = 3.7

10.1

SD = 3.3

1.02

1.01, 1.04

  Homeless (past 6 months)^b

40

39.2

209

47.8

1.06

0.98, 1.15

HIV testing history

  Lifetime^c

55

53.9

341

78.6

1.27

1.12, 1.43

  Past 12 months^c

30

29.7

150

35.5

1.03

0.95, 1.12

Willing to use HIVST kits^c

11

10.8

425

97.3

8.31

4.88, 14.17

Network size^d

1.94

0.93

3.52

2.22

1.04

1.01, 1.08

Network age (in years)^e

40.00

12.45

40.40

9.52

1.00

0.99, 1.01

Gender Identity

  Proportion of network that identifies as male^e

0.70

0.39

0.72

0.33

1.04

0.88, 1.22

  Proportion of network that identifies as female^e

0.30

0.39

0.27

0.32

0.94

0.80, 1.12

Duration of network relationships (in years)^e

9.45

12.78

8.15

9.30

0.996

0.990, 1.002

Closeness

  Proportion of network with whom they are very close^e

0.57

0.44

0.36

0.37

0.80

0.69, 0.94

Place of residence

  Proportion of network that lives in San Diego^e

0.34

0.47

0.47

0.48

1.11

0.96, 1.28

  Proportion of network that lives in Tijuana^e

0.65

0.47

0.52

0.48

0.89

0.77, 1.03

Housing

  Proportion of network that has ever been homeless^e,f

0.21

0.37

0.68

0.41

1.51

1.31, 1.74

History of detention or arrest

  Proportion of network that has ever been detained or arrested^e

0.17

0.34

0.66

0.41

1.57

1.36, 1.82

Sexual intercourse (past 6 months)

  Proportion of network with whom they had vaginal or anal intercourse^e

0.12

0.29

0.13

0.23

1.01

0.78, 1.31

Drug use behaviors

 Proportion of network that uses drugs every day^e

0.69

0.44

0.64

0.40

0.92

0.81, 1.04

 Proportion of network that injects drugs^e

0.57

0.47

0.58

0.41

1.03

0.91, 1.17

 Proportion of network with whom they share injection equipment^e

0.25

0.40

0.31

0.40

1.08

0.95, 1.24

 Proportion of network that offered to share/encouraged them to use drugs^e

0.19

0.33

0.45

0.43

1.29

1.16, 1.44

Drug risk communication

 Proportion of network that has ever encouraged them to stop using drugs^e

0.32

0.43

0.33

0.40

0.98

0.86, 1.12

 Proportion of network that has ever encouraged them to stop injecting drugs^e

0.31

0.43

0.32

0.40

0.98

0.86, 1.13