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Table 4 Characteristics associated with differences in mean WTPa for a 28-day course of PEP among current online PrEP/PEP users (N=740); multivariable models

From: Willingness to pay for HIV pre- and post-exposure prophylaxis services delivered via an online pharmacy in Kenya

Ā 

Coef.

95% CI

p-value

Adj. Coef.b,c

95% CI

p-value

Demographic and Socioeconomic Characteristics

ā€ƒPilot Arm

Ā Ā Ā Ā Ā Ā 

PEP Only

Ref.

--

--

Ā Ā Ā 

PrEP Only

1.09

0.77 – 1.55

0.6

Ā Ā Ā 

PEP to PrEP Transition

0.77

0.28 – 2.11

0.6

Ā Ā Ā 

ā€ƒAge

18-24

Ref.

--

--

Ref.

--

--

25 or older

1.55

1.20 – 1.99

0.001

1.34

1.02 – 1.75

0.03

ā€ƒSex

Female

Ref.

--

--

Ā Ā Ā 

Male

1.15

0.90 – 1.47

0.3

Ā Ā Ā 

ā€ƒCurrently Enrolled in School

Ā Ā Ā Ā Ā Ā 

No

Ref.

--

--

Ref.

--

--

Yes

0.76

0.58 – 0.99

0.04

0.98

0.73 – 1.29

0.9

ā€ƒMonthly income

10,000 KSH or less

Ref.

--

--

Ref.

--

--

More than 10,000 KSH

1.64

1.26 – 2.14

<0.001

1.28

0.93 – 1.74

0.1

PrEP and Online Pharmacy Engagement

ā€ƒEver taken PrEP or PEP

No

Ref.

--

--

Ā Ā Ā 

Yes

0.96

0.66 – 1.42

0.9

Ā Ā Ā 

ā€ƒEver purchased products from an online pharmacy

No

Ref.

--

--

Ref,

--

--

Yes

1.50

1.19 – 1.89

0.001

1.42

1.13 – 1.78

0.002

Sexual Behavior

ā€ƒCurrent relationship status

Primary partner only

Ref.

--

--

Ā Ā Ā 

Casual partners only

0.87

0.66 – 1.14

0.3

Ā Ā Ā 

Primary and casual partners

1.01

0.67 – 1.53

1.0

Ā Ā Ā 

ā€ƒNumber of sexual partners, prior 3 months

0

Ref.

--

--

Ā Ā Ā 

1

1.64

0.48 – 5.63

0.4

Ā Ā Ā 

2

1.73

0.50 – 5.96

0.4

Ā Ā Ā 

3

1.80

0.50 – 6.43

0.4

Ā Ā Ā 

4 or more

2.49

0.69 – 8.99

0.2

Ā Ā Ā 

ā€ƒNew sexual partner in prior 3 months

No

Ref.

--

--

Ā Ā Ā 

Yes

1.08

0.82 – 1.44

0.6

Ā Ā Ā 

ā€ƒSexual intercourse in prior 2 weeks

No

Ref.

--

--

Ā Ā Ā 

Yes

1.20

0.95

0.1

Ā Ā Ā 

ā€ƒCondomless sexual intercourse in prior 2 weeks

No

Ref.

--

--

Ā Ā Ā 

Yes

1.19

0.90 – 1.57

0.2

Ā Ā Ā 
  1. KSH Kenyan shillings, PEP post-exposure prophylaxis, PrEP pre-exposure prophylaxis, WTP willingness to pay
  2. aWTP refers to maximum willingness to pay, in Kenyan shillings, for a 28-day course of PEP pills, excluding delivery fees
  3. bAll coefficients have been exponentiated
  4. cModel adjusted for age, current school, income, prior e-pharmacy use. Constant for multivariable model = 481.1 KSH