From: Eating the elephant whole or in slices: views of participants in a smoking cessation intervention trial on multiple behaviour changes as sequential or concurrent tasks
Intervention
Control
Gender
Male
7
Female
12
14
Age
30–40
3
2
41–50
9
10
51–60
4
61–70
6
>70
1
BMI
Normal weight
Overweight
5
Obese
Morbidly obese
Cigarette consumption
<20
8
20–30
>30