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Table 4 Paired model clogit estimates adjusting for covariates

From: Estimating preferences for a dermatology consultation using Best-Worst Scaling: Comparison of various methods of analysis

 

Coefficient

Standard

error

95%

Confidence

interval

Attribute impacts

    

Waiting time

-

-

-

-

Doctor

1.6711

0.1841

1.3103

2.0318

Convenience

0.7154

0.1621

0.3977

1.0330

Thoroughness

0.5384

0.2040

0.1386

0.9382

Education * Doctor

-0.1326

0.2028

-0.5300

0.2648

Education * Convenience

0.0009

0.1301

-0.2541

0.2558

Education * Thoroughness

-0.0731

0.1691

-0.4046

0.2584

Severe * Doctor

0.0235

0.2233

-0.4141

0.4610

Severe * Convenience

0.0554

0.1395

-0.2180

0.3288

Severe * Thoroughness

0.0979

0.1531

-0.2021

0.3980

Acute * Doctor

0.4174

0.1801*

0.0644

0.7703

Acute * Convenience

0.2372

0.1401

-0.0373

0.5117

Acute * Thoroughness

0.2342

0.1724

-0.1038

0.5722

Level scale values

    

3 month wait

-2.0526

0.2995

-2.6396

-1.4656

2 month wait

-1.2388

0.1984

-1.6277

-0.8499

1 month wait

-0.0402

0.2414

-0.5134

0.4330

No wait

3.3317

-

-

-

Part-time doctor

-1.7066

0.2093

-2.1168

-1.2964

Full-time doctor

1.7066

-

-

-

Difficult to attend

-1.5013

0.1832

-1.8603

-1.1423

Easy to attend

1.5013

-

-

-

Not thorough

-3.5450

0.2918

-4.1170

-2.9730

Thorough

3.5450

-

-

-

Education * 3 month wait

-0.4842

0.2404*

-0.9554

-0.0130

Education * 2 month wait

-0.0205

0.1631

-0.3402

0.2992

Education * 1 month wait

0.3004

0.1820

-0.0564

0.6571

Education * part-time doctor

-0.0706

0.1506

-0.3657

0.2245

Education * Difficult to attend

-0.2810

0.1487

-0.5723

0.0104

Education * Not thorough

-0.6507

0.2598*

-1.1599

-0.1415

Severe * 3 month wait

-0.3876

0.2142

-0.8075

0.0323

Severe * 2 month wait

-0.3754

0.1536*

-0.6764

-0.0744

Severe * 1 month wait

-0.1030

0.1651

-0.4266

0.2207

Severe * part-time doctor

0.1305

0.1434

-0.1505

0.4116

Severe * Difficult to attend

0.1407

0.1304

-0.1148

0.3962

Severe * Not thorough

0.1055

0.2617

-0.4074

0.6183

Acute * 3 month wait

-0.2515

0.2372

-0.7164

0.2133

Acute * 2 month wait

-0.2919

0.1522

-0.5902

0.0064

Acute * 1 month wait

-0.5845

0.2142*

-1.0044

-0.1646

Acute * part-time doctor

-0.3197

0.1819

-0.6762

0.0367

Acute * Difficult to attend

-0.4408

0.1774*

-0.7885

-0.0931

Acute * Not thorough

-0.8625

0.2760*

-1.4034

-0.3215

  1. * Indicates significant at the 5% level.
  2. Log pseudolikelihood = -1162.2742
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BMC Medical Research Methodology

ISSN: 1471-2288

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