The Diabetes Treatment Satisfaction Questionnaire change version (DTSQc) evaluated in insulin glargine trials shows greater responsiveness to improvements than the original DTSQ

Table 5 "Treatment Satisfaction" – Summary of Results of 3-way ANOVA (on Raw Data)

Main Effects & Interactions	Type 1 Study			Type 2 Study
	F	df1, df2	p	F	df1, df2	p
Treatment	15.71	1,181	<0.0001	0.85	1,125	0.360
Ceiling	0.17	1,181	0.678	2.61	1,125	0.109*
Questionnaire	538.04	1,181	<0.0001	1833.88	1,125	<0.0001
Treatment × Ceiling	0.80	1,181	0.373	0.04	1,125	0.840
Treatment × Questionnaire	11.70	1,181	0.001	1.81	1,125	0.181
Ceiling × Questionnaire	30.44	1,181	<0.0001	62.37	1,125	<0.0001
Treatment × Ceiling × Questionnaire	0.00	1,181	0.948	3.18	1,125	0.077

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