Patient preference for involvement, experienced involvement, decisional conflict, and satisfaction with physician: a structural equation model test

Table 4 Local goodness-of-fit indexes

Construct	Instrument	Factor loadings	Construct reliability	Variance extracted
	Thresholds for acceptable fit	≥0.4	≥0.6	≥0.5
Preference for involvement in medical decisions	Autonomy Preference Index (API)	0.48 to 0.79	0.79	0.51
Experienced involvement in medical decisions	Shared Decision-Making Questionnaire (SDM-Q-9)	0.69 to 0.87	0.94	0.64
Decisional conflict	Decisional Conflict Scale (DCS)	0.67 to 0.87	0.96	0.62
Satisfaction with physician	ZAPA	0.78 to 0.89	0.92	0.71
Mental quality of life	SF-12 mental scale	0.66 to 0.74	0.84	0.50
Physical quality of life	SF-12 physical scale	0.71 to 0.81	0.89	0.60

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