Midwives’ empathy and shared decision making from women’s perspective - sensitivity of an assessment to compare quality of care in prenatal and obstetric care

Table 7 Evaluation of RS and true difference for SDM-Q-9-M scale from pregnancy to birth (N = 150)

SDM-Q-9-M	Type of RS	Pregnancy		Birth					Effect-size^a
Item		\(\overline{\boldsymbol{x}}\)	S.D.	\(\overline{\boldsymbol{x}}\)	S.D.	p	r	Mean difference	Observed difference (d)	‘True’ difference (d)	RS total (d)	RS Recali-bration (d)	RS Reprioritization (d)
SDM-M-1	reprioritization, uniform recalibration	3.64	1.51	3.88	1.48	.094	.34*	0.24	0.134	−0.184	0.318	0.290	0.028
SDM-M-2		3.73	1.36	3.67	1.54	.646	.35*	−0.06	−0.036
SDM-M-3	reprioritization	4.15	1.32	3.68	1.65	≤.001	.34*	−0.47	−0.270	−0.216	−0.054	−0.022	−0.032
SDM-M-4	non-uniform recalibration	3.95	1.43	3.51	1.62	.003	.34*	−0.44	−0.252	−0.240	−0.012	−0.012	n. a.
SDM-M-5		4.23	1.26	3.83	1.45	≤.001	.40*	−0.40	−0.256
SDM-M-6	uniform recalibration	4.03	1.45	3.73	1.62	.040	.31*	−0.30	−0.166	−0.236	0.070	0.070	n. a.
SDM-M-7	uniform recalibration	3.79	1.49	3.29	1.68	≤.001	.32*	−0.50	−0.261	−0.214	−0.047	−0.047	n. a.
SDM-M-8	non-uniform recalibration with intercept influence	3.53	1.60	3.43	1.67	.508	.44*	−0.10	−0.058	−0.222	0.164	0.164	n. a.
SDM-M-9	non-uniform recalibration with intercept influence	3.93	1.53	3.41	1.75	≤.001	.34*	−0.52	−0.265	−0.199	−0.067	−0.067	n. a.
Total		3.89	1.27	3.60	1.45	.023	.40*	−0.29	−0.190

^aFor effect size calculation, the estimated parameters of the response shifts model CARE-8-M/SDM-Q-9-M were divided by the estimated standard deviation; d = Cohen’s d effect size; Values of 0.2, 0.5, 0.8 indicate “small”, “medium” and “large” effect-sizes; n. a. not applicable. Please note that rounding errors may occur when summing the effect sizes for the true difference and the response shift. ^* p < .01

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