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Table 1 An Overview of the Key Attributes

From: Valuing injection frequency and other attributes of type 2 diabetes treatments in Australia: a discrete choice experiment

Attributes

Attribute levels

Frequency

Twice a day

Once a day

Once a week

Once a month

Weight change (% body weight)

Lose 10%

Lose 5%

None

Gain 5%

Needle you use to inject

Shorter / thinner (between a faint pain sensation and no pain sensation)

Longer / thicker (a very weak pain sensation)

Storage

Keep in the fridge until first use

No refrigeration required

Nausea

None

Mild

Moderate

Mode of administration (device)

Multi use pen (no mixing required)

Multi use pen (some mixing required)

Single use pen (no mixing required)

Single use pen (some mixing required)

Vial and syringe (no mixing required)

Vial and syringe (some mixing required)

Injection site reactions / nodules

Yes

No

Hypoglycaemic events per month

0

1

2

> 2

Cost per script (month)

plus 60% (100% for oral)

plus 45% (75% for oral)

plus 30% (50% for oral)

plus 15% (25% for oral)

0

minus 15%

minus 30%

minus 45%

Instructions with eating

Taken / used within a certain time of eating

Taken / used anytime (unrestricted)