Skip to main content

Table 3 Ranking of items based on Rescaled Probability Score (RPS)

From: Ranking facilitators and barriers of medication adherence by patients with inflammatory arthritis: a maximum difference scaling exercise

Ranking Description COM component (numbers: see Table 1) RPS CI lower CI upper
1 Arthritis medications help to reduce my symptoms Motivation: 8/10 7.30 7.17 7.44
2 I can maintain my independence as much as possible Motivation: 8/10 6.76 6.54 6.97
3 I can decide – together with my physician - about my arthritis medications Capability: 4 6.48 6.24 6.72
4 My general health (apart from my inflammatory arthritis) Motivation: 7/10/11 6.42 6.08 6.76
5 I expect the arthritis medications will help to reduce my symptoms Motivation: 8 6.32 6.10 6.55
6 I am glad arthritis medications are available Motivation: 9 6.16 5.93 6.40
7 There are no side effects from my arthritis medications Motivation: 7/8/10 5.46 5.11 5.82
8 I can cope with my inflammatory arthritis Capability and Motivation: 7/2 5.43 5.11 5.76
9 The relationship with my physician Capability, Opportunity and Motivation: 4/6/10 5.38 5.10 5.66
10 I can get to my physician (accessibility, availability, timely access/when needed) Opportunity: 5 4.87 4.54 5.19
11 My knowledge about my arthritis medications is sufficient (e.g. how the medications work, when and how often I need to take my medications) Capability: 1 4.16 3.87 4.46
12 I have accepted my disease Capability and Motivation: 7/8/10/2 3.99 3.60 4.38
13 I understand what my treatment with medications encompasses Capability: 1 3.79 3.49 4.09
14 I am anxious about how my arthritis medications affect my body Motivation: 9 3.00 2.59 3.40
15 I expect to be more able to participate in social activities Motivation: 8 2.90 2.59 3.22
16 The reimbursement of my arthritis medications by the health insurance company Capability and Opportunity: 1/4/6/5 2.75 2.30 3.20
17 I have accepted the need for my arthritis medications Capability and Motivation: 7/8/10/2 2.41 2.14 2.67
18 The support from family and/or friends Capability, Opportunity and Motivation: 3/6/11 2.37 2.03 2.72
19 I have another chronic condition (apart from my inflammatory condition) Motivation: 7/10/11 1.74 1.43 2.05
20 I can open the medication packaging Capability and Motivation: 10/2 1.63 1.36 1.91
21 I can incorporate my arthritis medications into daily routines Capability and Motivation: 3/7/10/11 1.45 1.24 1.66
22 My arthritis medications are easy to use (e.g. the size of the tablets) Capability, Opportunity and Motivation:7/10/11/5 1.15 0.92 1.38
23 The name and/or appearance (color, shape) of my arthritis medications does not change Capability and Opportunity 3/5 0.97 0.64 1.31
24 It is easy to travel with my arthritis medications, e.g. go abroad (able to keep my arthritis medications at a low temperature, clearance from customs/airline) Opportunity: 5 0.93 0.67 1.19
25 My arthritis medications are expensive (a burden to society) Opportunity: 5 0.90 0.67 1.12
26 I can get to the pharmacy (e.g. accessibility, e.g. my arthritis medication is in stock) Opportunity: 5 0.84 0.69 1.00
27 I have good communication skills (e.g. to discuss my arthritis medications) Capability: 4/2 0.82 0.69 0.95
28 The way I have to administer my arthritis medications (injection or tablet) Capability and Motivation: 1/7/10 0.76 0.61 0.90
29 The support from my colleagues/supervisor in the workplace Capability, Opportunity and Motivation: 6/10/11 0.63 0.47 0.79
30 The experiences of other patients with these arthritis medications Capability, Opportunity and Motivation: 6/11 0.62 0.47 0.76
31 What the medication regimen for my arthritis medications includes (simple or complex drug regimen) Motivation: 10 0.55 0.46 0.64
32 I am sad I have to take my arthritis medications throughout my life Motivation: 9 0.34 0.24 0.45
33 I am angry that I have to take my arthritis medications throughout my life Motivation: 9 0.26 0.18 0.33
34 The relationship with my pharmacist Capability, Opportunity and Motivation: 4/6/10 0.24 0.15 0.33
35 The availability of aids (reminders such as electronic messages) in order to take the arthritis medications as prescribed by the physician Capability and Motivation: 3/7/11 0.23 0.17 0.29
  1. RPS Rescaled Probability Score; CI Confidence Interval