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Table 5 MacTSQ Single scale forced one factor: Principal axis factoring factor loadings and internal consistency

From: Design and development of the MacTSQ measure of satisfaction with treatment for macular conditions used within the IVAN trial

Item N Item Factor loadings Cronbach’s alpha if item deleted
9 Safety 0.680 0.790
6 Apprehensive 0.637 0.788
11 Continue 0.612 0.800
14 Length of course 0.600 0.794
3 Discomfort or pain 0.540 0.796
1 Treatment 0.531 0.804
15 Encourage others 0.528 0.806
4 Treatment working 0.508 0.803
13 Time at clinic 0.464 0.810
2 Side effects 0.461 0.804
5 Unpleasant 0.442 0.806
10 Information 0.420 0.811
  1. Variance = 29.26
  2. Cronbach’s Alpha = 0.815