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. 2011 Jan 31;9:6. doi: 10.1186/1478-4505-9-6

Table 3.

Reliability of two scales used among 133 TB patients in Kampala, Uganda, 2007-2008

Patient satisfaction questionnaire (PS-13) sub-scales

Item no. Scale items Quality of care Responsiveness Management Overall scale
Overall Cronbach's α 0.86 0.71 0.70 0.77
Alpha if item deleted:
1 Needed treatment 0.76 0.74
2 When to start 0.75 0.74
3 Same doctors 0.68 0.76
4 Prefer this hospital 0.67 0.77
5 Results of treatment 0.91 0.74
6 Care received 0.82 0.74
7 Nurses available 0.65 0.75
8 Others courteous 0.66 0.75
9 Choose same hospital 0.70 0.76
10 Doctors' time 0.67 0.76
11 Hospital waiting time 0.66 0.72
12 Overall care 0.51 0.76
13 Recommend 0.64 0.78

SIMS sub-scales

Item no Scale items Actions and usage Potential problems Overall scale

Overall Cronbach's α 0.61 0.84 0.74
Alpha if item deleted:
1 What your medicine is called 0.69 0.74
2 What your medicine is for 0.65 0.80
3 What it does 0.50 0.71
4 How it works 0.61 0.71
5 How long it will take to act 0.51 0.70
6 How you can tell it is working 0.54 0.72
7 How long you will need to be on your medicine 0.57 0.76
8 How to use your medicine 0.56 0.76
9 How to get a further supply 0.55 0.75
10 Whether the medicine has any unwanted effects 0.82 0.73
11 What are the risks of your getting side effects 0.80 0.72
12 What you should do if you experience any unwanted side effects 0.81 0.72
13 Whether you can drink alcohol whilst taking this medicine 0.85 0.72
14 Whether the medicine interferes with other medicine 0.81 0.72
15 Whether the medication will make you feel drowsy 0.81 0.72
16 Whether the medication will affect your sex life 0.81 0.73
17 What you should do if you forget to take a dose 0.84 0.71

PS-13 = 13 item patient satisfaction questionnaire, SIMS = satisfaction with information about medicine scale