Dapagliflozin improves treatment satisfaction in overweight patients with type 2 diabetes mellitus: a patient reported outcome study (PRO study)

Table 2 Factor analysis

Items	Factor loading
Items	Factor 1	Factor 2	Factor 3
1. Missed dose	0.549	− 0.166	0.149
2. Difficulty swallowing	0.099	0.272	0.161
3. Carrying and preparing for taking the agent	0.589	0.034	0.158
4. People around the patient	0.347	− 0.015	0.218
5. Following the meal schedule	0.819	0.058	− 0.145
6. Interval between taking the agent and a meal	0.933	− 0.034	− 0.140
7. Compliance with treatment schedule	0.885	0.008	− 0.088
8. Number of doses	0.660	0.048	0.119
9. Taking the agent at a place other than home	0.507	0.101	0.187
10. Desire to continue the treatment	0.213	− 0.044	0.562
11. Rumbling stomach	0.297	0.302	0.031
12. Diarrhea	0.142	0.430	0.014
13. Constipation	− 0.066	0.634	− 0.078
14. Increase in body weight	− 0.159	0.374	0.109
15. Tendency to become hungry easily	0.068	0.497	0.104
16. Nausea	0.110	0.529	− 0.040
17. Bodily swelling	0.041	0.599	− 0.103
18. Hypoglycemia	− 0.070	0.382	0.187
19. Frequent urination	0.117	0.317	0.172
20. Thirst	0.116	0.435	0.170
21. Discomfort with urination or genital pruritus	− 0.031	0.503	0.030
22. Glycemic control	− 0.133	0.105	0.542
23. Satisfaction with the current agent	0.128	0.035	0.735

The principal factor method with three-factor promax rotation was applied; n = 188; Values of factor loadings attributed subscale are shown in italics

ISSN: 1758-5996