Table 1

 Patient utilities* for the drug characteristics studied

CharacteristicEstimateUtility
Results are shown as mean (SD).
In this context “utility” is a number that represents the value a respondent associates with a particular characteristic, with higher utilities indicating increased value.
RouteOne pill taken once a day84 (39)
Subcutaneous injection given by you or a partner at home twice a week38 (34)
Intramuscular injection given by a nurse in a clinic once a week8 (18)
Physician experienceDrug used to treat arthritis for more than 20 years63 (36)
New drug with unknown long term safety profile0
OnsetThe drug starts working in 2 weeks74 (44)
The drug starts working in 4 weeks (1 month)40 (31)
The drug starts working in 8 weeks (2 months)5 (14)
Chance of benefit75% (75 in 100) of people receiving this drug will feel much better61 (39)
60% (60 in 100) of people receiving this drug will feel much better39 (32)
45% (45 in 100) of people receiving this drug will feel much better7 (15)
Bone erosions75% (75 in 100) do not develop any new bone damage at 1 year49 (34)
60% (60 in 100) do not develop any new bone damage at 1 year2 (8)
Injection site reaction0% (no one) get a skin reaction at the injection site82 (37)
40% (40 in 100) get a skin reaction at the injection site1 (7)
Rash0% (no one)gets an uncomfortable itchy rash90 (38)
10% (10 in 100) get an uncomfortable itchy rash47 (31)
40% (40 in 100) get an uncomfortable itchy rash3 (8)
Oral ulcers0% (no one) gets painful mouth sores71 (32)
10% get painful mouth sores0 (3)
Alopecia0% (no one) gets hair thinning61 (35)
10% (10 in 100) get hair thinning2 (7)
Nausea/vomiting0% (no one) gets nausea82 (34)
10% (1 in 100) get nausea33 (28)
30% (30 in 100) get nausea4 (12)
Diarrhoea0% (no one) gets diarrhoea91 (35)
10% (1 in 100) get diarrhoea49 (32)
30% 30 in 100) get diarrhoea2 (9)
CancerThe risk of cancer is not increased with this drug79 (45)
Theoretical, but unproven, increased risk of cancer0
Nephrotoxicity0% (no one) gets kidney damage from this drug77 (38)
1% (1 in 100) get kidney damage0
Hepatotoxicity0% (no one) gets liver damage82 (38)
0.1% (1 in 1000) get liver damage0
Pneumonitis0% (no one) gets lung damage91 (38)
0.1% (1 in 1000) get lung damage42 (27)
1% (1 in 100) get lung damage0
CostFree76 (35)
$5.00 co-pay per month60 (34)
$15.00 co-pay per month32 (28)
$30.00 co-pay per month8 (18)