Would you have the screening test?
1 = yes
2 = no
3 = don't know

Which test would you prefer?
1 = FOB
2 = FS
3 = No preference

yes or no to st. bid (fob)
1 = yes
2 = no

direction to bid (alg 1)-fob
1 = 10-200
2 = 10-200-50
3 = 10-200-50-100
4 = 10-200-800
5 = 10-200-800-500
6 = 10-200-800-1000
7 = 10-200-800-1000-op
8 = 10

direction to bid (alg2)-fob
1 = 200-10
2 = 200-10-100
3 = 200-10-100-50
4 = 200-800
5 = 200-800-500
6 = 200-800-1000
7 = 200-800-1000-op
8 = 200

direction to bid (alg 3) -fob
1 = 1000-200
2 = 1000-200-50
3 = 1000-200-50-10
4 = 1000-200-50-100
5 = 1000-200-800
6 = 1000-200-800-500
7 = 1000-op
8 = 1000

0 = female
1 = males

Income groups
1 = < than £10,000
2 = £10-£20K
3 = £20-£30K
4 = > £30K

dummy income 1
0 = otherwise
1 = <10k

dummy income 2
0 = otherwise
1 = 10-20k

dummy income3
0 = otherwise
1 = 20-30k

dummy income 4
0 = otherwise
1 = >30k

1 = a smoker
2 = ex-smoker
3 = never smoked

Dummy variable:smoking
0 = otherwise
1 = smoker

Dental visits in 2 yrs?
1 = none
2 = once
3 = twice
4 = three times
5 = four times
6 = > four times

exercise regularly
1 = not at all
2 = somewhat
3 = moderately
4 = very
5 = extremely

How worried are you about bowel cancer?
1 = not worried
2 = a bit worried
3 = quite worried
4 = very worried

Dummy variable: worried
0 = otherwise
1 = worried

What do you think your chances are?
1 = much lower
2 = little lower
3 = about the same
4 = little higher
5 = much higher

Dummy variable: chances
0 = otherwise
1 = above average

Have you had FOB or FS?
1 = FOB
2 = FS
3 = both

dummy variable_had FOB?
0 = otherwise
1 = yes

0 = Not Selected
1 = Selected