Table 6

Socio-demographic, knowledge and attitudes associated with intention to screen for bowel cancer with FOBT
Survey item Total (n) % Yes (n)a OR (95% CI) p-value
Gender (n = 92)
Male 21 61.9 (13) 1 0.902
Female 71 63.4 (45) 1.07 (0.39-2.91)
Age in years^+ (n = 90)
Up to 44 24 54.2 (13) 1 0.277
45+ 66 66.7 (44) 1.69 (0.65-4.39)
Marital status^+ (n = 86)
Married or de-facto 48 81.3 (39) 5.96 (2.26-15.71) <0.0001*
Widowed/divorced/single 38 42.1 (16) 1
Employment status (n = 91)
Employed 34 79.4 (27) 3.14 (1.15-8.58) 0.022*
Not employed 49 55.1 (27) 1
Education (n = 90)
7 years or less (primary school or less) 25 48.0 (12) 1 0.043*
8 or more years (some high school or more) 65 70.8 (46) 2.62 (1.02-6.78)
Annual Income (n = 75)
Less than $20,000 42 57.1 (24) 1 0.048*
$20,000 or more 33 78.8 (26) 2.79 (0.99-7.84)
Self-rated English reading ability (n = 90)
Poor or fair 24 54.2 (13) 1 0.277
Good, very good or excellent 66 66.7 (44) 1.69 (0.65-4.39)
Last time you saw a doctor^+ (n = 89)
In the past year 82 68.3 (56) 5.39 (0.98-29.6) 0.047#*
Over a year ago 7 28.6 (2) 1
Frequency of doctor visits (n = 91)
Once a year or less 20 50.0 (10) 1 0.148
Couple of times a year or more 71 67.9 (48) 2.09 (0.76-5.7)
Participated in any cancer screening in past 2 years^ (n = 89)
No/not sure 44 47.7 (21) 1 0.003*
Yes 45 77.8 (35) 3.83 (1.53-9.6)
Self-rated current health status (n = 90)
Poor-fair 43 67.4 (29) 1 0.439
Good-excellent 47 59.6 (28) 0.71 (0.3-1.69)
Ever had a colonoscopy^+ (n = 91)
No/don’t know 77 58.4 (45) 1 0.014*
Yes 14 92.9 (13) 9.24 (1.15-74.28)
Seen media advertising on bowel cancer screening^+ (n = 91)
No/don’t know 59 57.6 (34) 1 0.100
Yes 32 75.0 (24) 2.20 (0.85-5.72)
Knows someone in family with cancer^+ (n = 90)
No/don’t know 38 50.0 (19) 1 0.025*
Yes 52 73.1 (38) 2.71 (1.12-6.56)
Ever heard of bowel cancer before^+ (n = 91)
No/don’t know 20 45.0 (9) 1 0.048*
Yes 71 69.0 (49) 2.72 (0.99-7.5)
Ever heard of bowel cancer screening test^+ (prompted) (n = 90)
No/don’t know 63 57.1 (36) 1 0.027*
Yes 27 81.5 (22) 3.30 (1.11-9.83)
Aware bowel cancer/polyps can be asymptomatic (n = 90)
No/don’t know 40 50.0 (20) 1 0.016*
Yes 51 74.5 (38) 2.92 (1.21-7.07)
Bowel cancer knowledge+
Bowel cancer knowledge score (n = 92)
0-11 (Low) 26 26.9 (7) 1 X2[2]=20.3
12-15 (Medium) 29 75.9 (22) 8.50 (2.5-28.7)
16-18 (High) 37 78.4 (29) 9.80 (3.1-31.6) <0.0001*
Perceived self-efficacy^
How confident do you feel to complete FOBT test (n = 92)
Not confident-somewhat confident 43 34.9 (15) 1 <0.0001*
Confident-very confident 49 87.8 (43) 13.40 (4.6-38.6)
Perceived susceptibility^
Thinks they are at risk of bowel cancer (n = 91)
No/don’t know 62 56.5 (35) 1 0.035*
Yes 29 79.3 (23) 2.96 (1.06-8.3)
Perceived severity
Do you think bowel cancer can be cured if found early?^+ (n = 92)
No/don’t know 17 35.3 (6) 1 0.009*
Yes 75 69.3 (52) 4.15 (1.37-12.57)
The thought of bowel cancer scares you (n = 82)b
Disagree 7 57.1 (4) 1 0.703#
Agree 75 64.0 (48) 1.33 (0.28-6.40)
If you had bowel cancer your whole life would change (n = 80)b
Disagree 11 81.8 (9) 2.72 (0.55-13.5) 0.312#
Agree 69 62.3 (43) 1
Fatalistic attitude
Getting cancer is like being sentenced to death (n = 79)
Disagree 40 75.0 (30) 2.32 (0.89-6.03) 0.082
Agree 39 56.4 (22) 1
Shame
You would feel ashamed if you found out you had bowel cancer (n = 76)b
Disagree 54 77.8 (42) 5.05 (1.74-14.7) 0.003*
Agree 22 40.9 (9) 1
Perceived benefits
Doing a bowel cancer screening test can reduce chance of dying from bowel cancer (n = 83)b
Disagree 6 66.7 (4) 1 1.0#
Agree 77 67.5 (52) 1.040 (0.18-6.06)

FOBT - faecal occult blood test. OR – odds ratio.

*Significant at p ≤ 0.05.

#Fisher’s Exact Test.

^Variables included in first step of Model 1 of multivariate logistic regression.

+Variables included in first step of Model 2 of multivariate logistic regression.

aRefers to percentage of respondents who answered yes to the screening intent item, Would you consider doing an FOBT/bowel screening test in the next 6-12 months?

bExcludes those who selected don’t know/unsure.

Christou and Thompson

Christou and Thompson BMC Public Health 2012 12:528   doi:10.1186/1471-2458-12-528

Open Data