Table 3

Informed choice and adequate knowledge

ISDM-P groupControl groupAdjusted OR (95% CI); p valuesMI: adjusted OR
(95% CI); p values
Adequate knowledge*61/136 (44.9)3/109 (2.8)29.3 (6.9 to 124.6); <0.00121.4 (6.8 to 67.4); <0.001
Informed choice: statins43/128 (33.6)3/105 (2.9)16.6 (4.4 to 63.0); <0.0016.2 (2.4 to 16.0); <0.001
Informed choice: blood pressure50/129 (38.8)3/109 (2.8)22.2 (5.3 to 93.3); <0.00110.0 (3.3 to 30.4); <0.001
Informed choice: HbA1c57/134 (42.5)3/109 (2.8)26.0 (6.5 to 104.8); <0.00111.5 (4.0 to 33.1); <0.001
Informed choice: smoking3/23 (13.0)0/16 (0)5.1 (0.2 to 135.1); 0.322
  • Values are given as patient number (percentage).

  • *At least 8 out of 11 questions were correctly answered.

  • HbA1c, glycated haemoglobin; ISDM-P, informed shared decision-making programme; MI, multiple imputation (n=279).