Table 4 Preferences for therapy according to interview format, Likert scale response

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)