Table 2 Linear regression results showing the effects of communication elements, control, and interaction variables on average engagement time

From: Communication strategies driving online health community patient awareness and engagement investigated within atrial fibrillation context

 

Model 1

Model 2

Model 3

Model 4

R²

F

p

R²

F

p

R²

F

p

R²

F

p

0.09

27.95

<0.001

0.04

9.67

<0.001

0.012

16.73

<0.001

0.022

27.51

<0.001

B

Beta

Sig.

B

Beta

Sig.

B

Beta

Sig.

B

Beta

Sig.

Main variables

 Emotion_Fear

8.539

0.054

<0.001

   

8.814

0.055

<0.001

45.897

0.289

<0.001

 Topic_Affiliation

13.228

0.077

<0.001

   

11.957

0.070

<0.001

46.284

0.270

<0.001

 Topic_Kincare

17.311

0.102

<0.001

   

16.797

0.099

<0.001

51.359

0.302

<0.001

 Appeal_Testimonial

−0.943

−0.006

0.457

   

−0.673

−0.004

0.595

12.513

0.080

<0.001

 Appeal_Persuasive

−8.990

−0.058

<0.001

   

−8.524

−0.055

<0.001

−15.988

−0.103

<0.001

 LStyle_Third-person

−8.152

−0.052

<0.001

   

−7.237

−0.047

<0.001

−10.874

−0.070

<0.001

Control variables

 PW_weekend_dummy

   

−2.232

−0.013

0.130

−2.781

−0.017

0.059

−2.599

−0.016

0.076

 PD_afternoon_dummy

   

−0.124

−0.001

0.941

0.005

0.000

0.998

0.202

0.001

0.904

 PD_evening_dummy

   

0.547

0.003

0.732

0.915

0.006

0.565

0.974

0.006

0.539

 PD_night_dummy

   

2.933

0.010

0.218

3.643

0.013

0.124

3.725

0.013

0.114

 WH_workhours_dummy

   

0.792

0.005

0.688

0.816

0.005

0.678

0.536

0.003

0.784

 DC_desktop_dummy

   

22.708

0.049

<0.001

20.661

0.044

<0.001

20.947

0.045

<0.001

 DC_tablet_dummy

   

8.114

0.034

<0.001

4.463

0.018

0.015

2.413

0.010

0.189

Interactions

 Emotion_FearxTopic_Affiliation

         

−50.485

−0.190

<0.001

 Emotion_FearxTopic_Kincare

         

−46.044

−0.223

<0.001

Dependent variable

Average engagement time

  1. Reference groups main variables: Emotion reference = love, Topic reference = self-protection, Appeal (1) reference = expert, Appeal (2) reference = informational, Linguistic style reference = first-person. Reference groups control variables: Part of week (PW) reference = weekday, Part of day (PD) reference = morning, Working hours reference = non-working hours, Device category (DC) = mobile.
  2. Interaction reference: Emotion reference = love, Topic reference = self-protection.
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