Table 3.

In‐depth analyses for main outcome measures based on median split baseline scores

	T0 (baseline)	T1 (immediately after use of the decision aid)	T2 (2 weeks after baseline)	T0–T1			T0–T2
	Means (SD)	Means (SD)	Means (SD)	T	p	ES	T	p	ES
Decisional conflict (0–100)a
Low baseline (<33)	21.23 (9.77)	17.06 (11.13)	18.79 (16.00)	3.16	0.003	0.43	0.82	0.419	0.12
High baseline (≥33)	51.35 (13.36)	34.46 (15.10)	34.72 (19.78)	8.92	<0.001	1.29	5.16	<0.001	0.80
Knowledge (0–15)
Low baseline (≤10)	6.93 (2.12)	12.70 (2.04)	12.11 (1.94)	−14.04	<0.001	−2.07	−11.11	<0.001	−1.83
High baseline (>10)	11.21 (1.36)	13.54 (1.61)	13.02 (1.80)	−10.38	<0.001	−1.39	−6.57	<0.001	−0.94
Realistic expectations (0–3)
Low baseline (≤1)	0.54 (0.50)	1.52 (1.11)	0.98 (0.89)	−9.32	<0.001	−0.92	−4.85	<0.001	−0.48
High baseline (≥2)	2.15 (0.38)	2.46 (0.88)	1.85 (1.14)	−1.17	0.264	−0.32	0.94	0.367	0.26
Level of deliberation (6–30)
Low baseline (≤24)	19.44 (4.06)	22.19 (3.36)	22.27 (3.46)	−3.22	0.003	−0.57	−2.68	0.013	−0.53
High baseline (>24)	27.22 (2.03)	26.48 (2.99)	26.39 (3.14)	1.43	0.166	0.27	1.30	0.208	0.27
Decision self‐efficacy (0–100)
Low baseline (≤75)	67.00 (7.42)	73.07 (15.16)	75.78 (13.59)	−3.20	0.003	−0.47	−6.59	<0.001	−1.03
High baseline (>75)	88.18 (6.98)	86.11 (13.95)	82.45 (14.60)	0.92	0.361	0.14	2.22	0.033	0.37

^aDecisional conflict scale excluding effective decision subscale.