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

From: Communicating effectiveness of intervention for chronic diseases: what single format can replace comprehensive information?

   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)