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Table 2 Six-month changes of measurements and participants’ perception of empowerment attributable to the program at six-month follow-up compared between groups

From: Effect of a community-based diabetes self-management empowerment program on mental health-related quality of life: a causal mediation analysis from a randomized controlled trial

 

6-month change score

Difference of two groups (I – C)

 

Intervention Group

Control Group

N*

 

N*

 

Laboratory data

     

HbA1c (% (mmol/l)

224

−1.0 (−1.2 to −0.7)

217

−0.5 (−0.8 to −0.3)

−0.4 (−0.8 to −0.1)

(−10.5 (−13.2 to −8.0))

 

(−5.9 (−8.7 to −3.2))

(−4.6 (−8.4 to −0.9))

Social support

     

Social support score from Diabetes Care Profile (points)

222

0.2 (−0.0 to 0.4)

217

0.1 (−0.1 to 0.3)

0.1 (−0.2 to 0.4)

SF-12 Scores

     

PCS-12 (points)

203

0.6 (−0.4 to 1.6)

196

1.6 (0.6 to 2.6)

−1.0 (−2.4 to 0.4)

MCS-12 (points)

203

1.4 (0.3 to 2.5)

196

−0.2 (−1.3 to 0.9)

1.6 (0.1 to 3.2)

Program evaluation (Post-intervention only)

     

Participants’ perception of empowerment attributable to the program at follow-up (points) †

226

4.4 (4.4 to 4.5)

216

4.3 (4.2 to 4.4)

0.1 (0.0 to 0.2)

  1. Data shown as mean (95% CI).
  2. *Sample size varies by item because of missing responses.
  3. †The score ranges from 0 (least empowered) to 5 (most empowered).
  4. I – C: intervention group minus control group, HbA1c = hemoglobin A1c, SF-12: 12-item short form, PCS-12: physical component summary score of SF-12, MCS-12: mental component summary score of SF-12.