Table 2.

Overview of all items included in the TiOS, their source, dimension, mean, standard deviation, skewedness and item-scale correlation

Item	Content	Sourcea	Dimension	Mb	SD	Skewness	Item-scale correlation
1	Your doctor is very careful and precisec	PTS	Competence	4.65	0.67	−2.65	0.53
2	Your doctor is totally honest in telling you about all the different treatment options available for your condition	PTS	Honesty	4.68	0.63	−2.31	0.63
3	Your doctor always gives you honest information about your prospects	New	Honesty	4.58	0.77	−2.28	0.56
4	Your doctor strongly cares about your healthc	IP PTS	Fidelity	4.51	0.79	−1.97	0.69
5	Your doctor always tells you everything you want to know about your illness	MISS	Fidelity	4.63	0.72	−2.33	0.64
6	You think your doctor can handle any medical situation, even a very serious onec	IP PTS	Competence	4.53	0.76	−1.77	0.65
7	Your doctor always takes his/her time with you	New	Caring	4.61	0.70	−2.24	0.58
8	Your doctor explains everything so that you can consent to medical decisions	New	Fidelity	4.64	0.64	−2.04	0.71
9	Sometimes you worry that your doctor's medical decisions are wrongd	IP PTS	Competence	4.37	1.09	−1.87	0.54
10	Your doctor only thinks about what is best for you	PTS	Fidelity	4.62	0.69	−2.35	0.63
11	Sometimes your doctor does not pay full attention to what you are trying to tell him/herd	PTS	Competence	4.24	1.10	−1.48	0.61
12	Your doctor would always tell you the truth about your health, even if there was bad newsc	PCAS	Honesty	4.67	0.65	−2.65	0.51
13	You have doubts whether your doctor really cares about you as a personc,d	TiPS	Caring	4.47	0.98	−2.03	0.61
14	Your doctor listens with care and concern to all the problems you havec	IP PTS	Caring	4.57	0.72	−1.94	0.63
15	Your doctor will do whatever it takes to get you all the care you need	PTS	Fidelity	4.70	0.56	−1.87	0.75
16	Your doctor is available for you whenever you need him/her	New	Caring	4.46	0.78	−1.37	0.62
17	You have no worries about putting your life in your doctor's hands	PTS	Global item	4.39	0.99	−1.91	0.51
18	All in all, you have complete trust in your doctor	PTS	Global item	4.39	0.60	−2.21	0.72

^a PTS Patient Trust Scale, IP PTS Item Pool for PTS, MISS Medical Interview Satisfaction Scale, PCAS Primary Care Assessment Survey, TiPS Trust in Physician Scale

^bFive-point likert scale: 1 = totally disagree, 2 = disagree, 3 = as much agree as disagree, 4 = agree, 5 = strongly agree

^cMinor modifications to original wording

^dReverse-scored items