Table 1 Summary of the contents of the computerised cognitive behavioural therapy (cCBT) sessions

1.

Introduction

Information on weight-gain and weight-loss

Introduction of the cognitive model and the concept of dysfunctional thinking

Information on how to select a diet, diet coach and exercise plan^a

2.

Motivation

Personal reasons for losing weight^b

Realistic weight loss goals^b

Identifying and responding to sabotaging cognitions about dieting

Personal list of sabotaging cognitions about dieting^b

3.

Coping with food desire

Information on the difference between hunger and food desire

Tips on how to deal with food desire

Personal list of distraction techniques^b

4.

Identifying dysfunctional cognitions

Identifying dysfunctional cognitions about eating

Introducing the concept of dietary temptations

Instruction on how to do this in the app

5.

Responding to dysfunctional cognitions

Introduction of socratic questioning

Information on how to construct functional alternative cognitions

Instruction on how to do this in the app

Choosing a diet and exercise plan^a,c

6.

Thinking errors

Summary of basic CBT skills

Introduction of concept of thinking errors

Instruction on how to do this in the app

7.

Interim evaluation

Evaluation on progress so far^c

Increasing motivation

Learning to compliment oneself

8.

Self-esteem: body

Positive body exposure

9.

Self-esteem: person

Designing a positive portrait of the self^c

10.

Evaluation and relapse prevention

Summary of intervention^c

Evaluation of intervention

Creating a relapse prevention plan^c