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Table 4 Panel mixed logit model estimates of the ‘oneself’ model: mean and standard deviation (std dev) and significance of the attribute effects obtained from likelihood ratio (LR) tests with specified number of degrees of freedom (DF)

From: Preferential differences in vaccination decision-making for oneself or one’s child in The Netherlands: a discrete choice experiment

Term

Mean estimate (std dev; subject std dev)

95% CI

Marginal utilitiy

LR Chi-square

DF

P-value

Vaccine effectiveness

 50%

−0.755 (0.039; 0.323)

[−0.833; − 0.682]

−0.7551

383.159

1

<.0001

 90%

0.755 (0.036; 0.293)

[0.685; 0.825]

0.7551

Burden of disease

 Rare&mild

−0.764 (0.080; 0.225)

[− 0.953; − 0.632]

−0.7642

308.482

3

<.0001

 Common&mild

−0.753 (0.079; 0.204)

[− 0.900; − 0.595]

−0.7533

 Rare&severe

0.351 (0.073; 0.144)

[0.201; 0.497]

0.3511

 Common&severe

1.166 (0.076; 0.180)

[1.018; 1.315]

1.1664

Mild VRSE

 Common

−0.210 (0.027; 0.102)

[− 0.264; − 0.159]

−0.2103

44.657

1

<.0001

 Rare

0.210 (0.025; 0.106)

[0.160; 0.260]

0.2103

Accessibility

 Co-payment prescription

−0.608 (0.041; 0.240)

[− 0.691; − 0.533]

−0.6085

288.679

1

<.0001

 Free accessible

0.608 (0.044; 0.242)

[0.522; 0.695]

0.6085

Local coverage (×10%)

0.054 (0.012; 0.122)

[0.031; 0.078]

0.0538

15.09

1

0.0001

Global coverage (× 10%)

0.125 (0.013; 0.160)

[0.101; 0.153]

0.1247

79.101

1

<.0001

Burden of disease*Educational level

 Rare&mild*Low

0.503 (0.134; 0.247)

[0.254; 0.789]

−0.2617

38.004

6

<.0001

 Rare&mild*Mid

−0.099 (0.108; 0.283)

[− 0.291; 0.169]

−0.8635

 Rare&mild*High

−0.403 (0.082; 0.182)

[−0.563; − 0.243]

−1.1675

 Common&mild*Low

0.196 (0.132; 0.275)

[−0.046; 0.451]

−0.5572

 Common&mild*Mid

−0.005 (0.098; 0.246)

[−0.195; 0.174]

−0.7586

 Common&mild*High

−0.191 (0.094; 0.242)

[−0.375; − 0.006]

−0.9441

 Rare&severe*Low

−0.174 (0.092; 0.180)

[−0.365; − 0.014]

0.1774

 Rare&severe*Mid

0.182 (0.071; 0.134)

[0.053; 0.316]

0.5332

 Rare&severe*High

−0.008 (0.091; 0.161)

[−0.186; 0.170]

0.3427

 Common&severe*Low

−0.525 (0.094; 0.198)

[− 0.708; − 0.341]

0.6415

 Common&severe*Mid

−0.078 (0.079; 0.167)

[−0.232; 0.077]

1.0888

 Common&severe*High

0.602 (0.093; 0.200)

[0.419; 0.785]

1.7688

Burden of disease*Being target group for influenza vaccination

 Rare&mild*Yes

0.216 (0.067; 0.190)

[0.093; 0.359]

−0.5482

30.472

3

<.0001

 Common&mild*Yes

0.179 (0.072; 0.203)

[0.034; 0.313]

−0.5742

 Rare&severe*Yes

−0.087 (0.063; 0.133)

[−0.217; 0.040]

0.2638

 Common&severe*Yes

−0.308 (0.063; 0.149)

[−0.431; −0.184]

0.8586

 Rare&mild*No

−0.216 (0.067; 0.145)

[−0.348; −0.084]

−0.9802

 Common&mild*No

−0.179 (0.074; 0.187)

[−0.323; −0.035]

−0.9324

 Rare&severe*No

0.087 (0.062; 0.116)

[−0.034; 0.209]

0.4384

 Common&severe*No

0.308 (0.060; 0.132)

[0.191; 0.425]

1.4742

Accessibility*Risk perception Low vs High

 Co-payment*Low

0.158 (0.037; 0.256)

[0.091; 0.233]

−0.4500

18.311

1

<.0001

 Co-payment*High

−0.158 (0.037; 0.272)

[−0.231; −0.085]

−0.7669

 Free*Low

−0.158 (0.043; 0.228)

[−0.242; −0.074]

0.4500

 Free*High

0.158 (0.037; 0.253)

[0.087; 0.230]

0.7669

  1. Note: Mean estimates corresponding to the last level of an attribute were calculated as minus the sum of the estimates for the other levels of the attribute