Table 4.

Preferences for therapy according to interview format, Likert scale response

		Initial agreement to receive treatment on Likert scale
Baseline risk	Level of effectiveness	ARR	RRR	NNT	POL
Low	Small	7.29 (6.65; 7.93)	6.16 (5.40; 6.91)	5.29 (4.44; 6.15)	5.39 (4.70; 6.08)
	Large	7.03 (6.31; 7.76)	6.64 (5.93; 7.34)	6.70 (5.94; 7.45)	6.13 (5.39; 6.88)
High	Small	6.03 (5.25; 6.81)	6.73 (6.05; 7.42)	6.63 (6.00; 7.26)	5.48 (4.82; 6.13)
	Large	6.36 (5.57; 7.15)	6.87 (6.18; 7.57)	6.87 (6.13; 7.61)	6.68 (5.97; 7.40)
Total		6.70 (6.33; 7.07)	6.59 (6.23; 6.95)	6.39 (6.01; 6.77)	5.91 (5.55; 6.26)
		Final agreement to receive treatment on Likert scale
Baseline risk	Level of effectiveness	ARR	RRR	NNT	POL
Low	Small	6.97 (6.29; 7.66)	5.54 (4.75; 6.32)	5.00 (4.15; 5.86)	5.99 (5.26; 6.71)
	Large	6.88 (6.13; 7.63)	6.42 (5.68; 7.16)	6.55 (5.79; 7.31)	6.66 (5.92; 7.39)
High	Small	6.07 (5.32; 6.82)	6.29 (5.53; 7.05)	6.67 (6.03; 7.32)	5.94 (5.26; 6.62)
	Large	6.22 (5.44; 7.01)	6.54 (5.86; 7.21)	6.64 (5.92; 7.35)	6.86 (6.17; 7.56)
Total		6.56 (6.18; 6.93)	6.18 (5.80; 6.55)	6.24 (5.86; 6.62)	6.34 (5.99; 6.70)
		Difference between initial and final agreement to receive treatment on Likert scale
Baseline risk	Level of effectiveness	ARR	RRR	NNT	POL
Low	Small	-0.32 (-0.70; 0.07)	-0.62 (-0.98; -0.26)	-0.29 (-0.79; 0.21)	0.59 (0.15; 1.04)
	Large	-0.16 (-0.48; 0.17)	-0.22 (-0.60; 0.17)	-0.15 (-0.50; 0.21)	0.52 (0.18; 0.87)
High	Small	0.04 (-0.19; 0.28)	-0.45 (-0.86; -0.03)	0.04 (-0.37; 0.44)	0.47 (0.04; 0.89)
	Large	-0.14 (-0.36; 0.08)	-0.34 (-0.70; 0.02)	-0.23 (-0.72; 0.26)	0.18 (-0.08; 0.44)
Total		-0.15 (-0.30; 0.01)	-0.41 (-0.60; -0.22)	-0.15 (-0.37; 0.07)	0.44 (0.25; 0.63)
		Difference between initial and final agreement to receive treatment on Likert scale with respect to initial choice
Initial treatment acceptance		ARR	RRR	NNT	POL
No		0.10 (-0.12; 0.32)	0.03 (-0.28; 0.33)	0.52 (0.17; 0.87)	0.97 (0.64; 1.31)
Yes		-0.27 (-0.47; -0.07)	-0.58 (-0.82; -0.33)	-0.48 (-0.75; -0.21)	0.02 (-0.18; 0.22)