Table 3 Mixed logit model results.

From: Preferences and willingness-to-pay for a blood pressure telemonitoring program using a discrete choice experiment

 

Coefficient

95% CI

P value

Left

–0.12

(–0.25 to 0.01)

0.080

Base reference population

 None option

–0.37

(–0. 85 to 0.11)

0.134

 Teleconsultation

1.12

(0.79 to 1.44)

<0.001

 Bluetooth

0.92

(0.64 to 1.20)

<0.001

 Machine price

–0.01

(–0.02 to –0.01)

<0.001

 Monthly fee

–0.16

(–0.18 to –0.15)

<0.001

 Duration

–0.34

(–0.44 to –0.25)

<0.001

Impact of demographic factors

 None option * female

–0.22

(–0.65 to 0.21)

0.319

 None option * age above 65

0.45

(0.02 to 0.89)

0.042

 None option * not married

0.96

(0.45 to 1.47)

<0.001

 None option * fewer education years

–0.70

(–1.10 to –0.30)

<0.001

 None option * digital skills score

0.06

(0.03 to 0.08)

<0.001

 Teleconsultation * female

–0.62

(–0.95 to –0.30)

<0.001

 Teleconsultation * age below 55

0.10

(–0.23 to 0.42)

0.560

 Teleconsultation * not married

–0.26

(–0.61 to 0.10)

0.158

 Teleconsultation * fewer education years

–0.89

(–1.19 to –0.59)

<0.001

 Teleconsultation * not full-time employment

–0.07

(–0.38 to 0.23)

0.649

 Teleconsultation * lower income

–0.53

(–0.88 to –0.19)

0.003

 Bluetooth * age below 55

–0.44

(–0.78 to –0.10)

0.011

 Bluetooth * age above 65

–0.27

(–0.61 to, 0.07)

0.121

 Bluetooth * not full-time employment

–0.11

(–0.41 to 0.19)

0.456

 Machine price * age below 55

–0.005

(–0.009 to –0.001)

0.008

 Monthly fee * lower income

0.05

(0.02 to 0.08)

<0.001

 Monthly fee * digital skills score

–0.002

(–0.003 to 0)

0.036

Random preference heterogeneity at the individual level

 None option

4.78

(4.27 to 5.28)

<0.001

 Teleconsultation

2.48

(2.22 to 2.74)

<0.001

 Bluetooth

0.86

(0.69 to 1.03)

<0.001

 Machine price

0.005

(0.004 to 0.007)

<0.001

 Monthly fee

0.10

(0.09 to 0.12)

<0.001

 Duration

0.58

(0.49 to 0.68)

<0.001

  1. Mixed logit model results with control of demographic factors are presented, along with the 95% confidence intervals (95% CI) of the coefficient. The P values presented are for the t test for the significance of the coefficients in the mixed logit model. The base reference population were male; married; higher income; more formal education years; full-time worker; age at 55 years to below 65; and with a digital skills score of 36 (median). The interaction of demographic factors with the levels of the DCE attributes are denoted with an asterisk (*).
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