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Table 3 Change in Scores between Baseline and Final Follow-up

From: Effect of a patient decision aid (PDA) for type 2 diabetes on knowledge, decisional self-efficacy, and decisional conflict

 

PDA

Usual Care

p-valuea

n = 114

n = 111

(Mean Δ, SD)

(Mean Δ, SD)

Knowledge (% correct)

35.0 % (22.3)

9.9 % (22.2)

<.0001

Knowledge confidence

11.0 (12.8)

1.6 (8.9)

<.0001

Decision Self-Efficacy scale

3.7 (16.7)

−3.9 (19.2)

0.0018

Decisional Conflict Score (total)b

−22.2 (20.6)

−7.5 (16.6)

<.0001

 Uncertainty subscale

−21.3 (27.3)

−9.5 (23.5)

0.0006

 Informed subscale

−29.9 (26.5)

−8.4 (27.4)

<.0001

 Values Clarity subscale

−27.1 (24.4)

−8.9 (22.1)

<.0001

 Support subscale

−19.1 (20.7)

−5.8 (17.1)

<.0001

 Effective Decision subscale

−15.7 (22.1)

−5.4 (18.6)

<.0001

  1. at-test
  2. bLower is considered better