Table 3 Inter-group comparison of the different decision-making preference

Age [yr]

1.02 [1.00–1.04]

.013

1.00 [0.99–1.02]

.561

Education attainment [per level]

0.72 [0.59–0.87]

.001

1.24 [1.02–1.52]

.036

Frequency of consultations

1.31 [1.04–1.65]

.022

0.92 [0.66–1.27]

.603

Knowledge of diabetic retinopathy and HbA₁c level [index]

0.90 [0.81–0.99]

.037

1.01 [0.88–1.17]

.867

 self-help group

1.01 [0.82–1.23]

.957

1.34 [1.06–1.70]

.015

 journals

0.90 [0.74–1.09]

.277

0.70 [0.53–0.93]

.013