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Table 4 Results of ordered logit regression models for asthma and COPD samples

From: Patient preferences for dry powder inhaler attributes in asthma and chronic obstructive pulmonary disease in France: a discrete choice experiment

Parameter

Attribute level

Asthma

COPD

Estimate (SE)

p-value

Odds ratio

Estimate (SE)

p-value

Odds ratio

Ease of use

1 step

0.55 (0.081)

<0.0001

1.733

0.282 (0.118)

0.017

1.326

2 or 3 steps

0.281 (0.069)

<0.0001

1.324

0.203 (0.1)

0.043

1.226

Accurate

Yes

0.377 (0.047)

<0.0001

1.458

0.419 (0.069)

<0.0001

1.52

Confirmation that the dose was taken

Taste of lactose

0.333 (0.045)

<0.0001

1.395

0.362 (0.066)

<0.0001

1.436

Hygiene

Mouthpiece can be replaced

–0.032 (0.063)

0.611

0.968

–0.028 (0.091)

0.757

0.972

Mouthpiece can be washed

0.026 (0.063)

0.678

1.027

–0.073 (0.092)

0.427

0.929

Flexibility

Any position

0.164 (0.045)

0.0003

1.178

–0.03 (0.065)

0.646

0.97

Ease of use during episode of breathing difficulties

Yes

0.5 (0.051)

<0.0001

1.649

0.549 (0.075)

<0.0001

1.731

Monthly out-of-pocket money

 

–0.114 (0.012)

<0.0001

0.893

–0.067 (0.017)

<0.0001

0.936

Current inhaler

Yes

0.207 (0.086)

0.016

1.23

0.137 (0.126)

0.275

1.147

  1. COPD chronic obstructive pulmonary disease, SE standard error