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Table 5 Logistic regression models using GEE for outcomes in trial 1: no choice (interview) versus choice of participation mode

From: Improving participation rates by providing choice of participation mode: two randomized controlled trials

 

Participation rate

Conditional participation rate

Willingness to participate

 

OR

(95% CI)

OR

(95% CI)

OR

(95% CI)

SNS choice arm

0.99

(0.68-1.44)

0.27***

(0.17-0.44)

3.52***

(2.75-4.51)

SNS no-choice arm

      

TICD-RCT intervention arm

0.84

(0.62-1.14)

0.60*

(0.40-0.90)

1.14

(0.64-2.02)

TICD-RCT control arm

      

Patient group: CVD

1.16

(0.75-1.79)

1.37

(0.62-3.04)

1.25**

(1.07-1.46)

Patient Group: high risk

      

Female

0.96

(0.73-1.26)

1.12

(0.59-2.12)

0.85

(0.64-1.13)

Male

      

Age

0.99

(0.98-1.02)

1.03*

(1.01-1.06)

0.97

(0.94-1.002)

  1. ***p < .001 **p < .01 *p < .05, OR = odds ratio, estimated intercepts omitted from table.