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. 2010 May;100(5):870–876. doi: 10.2105/AJPH.2009.166231

TABLE 1.

Vietnamese Americans' Behaviors, Knowledge, Attitudes, and Beliefs Regarding Colorectal Cancer Screening and Exposure to Media Campaign on Colorectal Cancer Screening at Pre- and Postintervention: Alameda and Santa Clara Counties, CA and Harris County, TX; 2004–2007

Control Community
 Intervention Community
Measure Preintervention, % Postintervention, % Pa Preintervention, % Postintervention, % Pa Pb
Behavior
    Ever had FOBT 41 50 .006 57 71 <.001 .254
    Ever had sigmoidoscopy or colonoscopy 37 47 <.001 44 65 <.001 .006
    Had screening FOBT in past yc 21 26 .096 27 36 .003 .301
    Had screening sigmoidoscopy or colonoscopy in past 5 yc 16 30 <.001 20 44 <.001 .035
Knowledge
    Ever heard of FOBT 59 70 .001 52 76 <.001 .007
    Ever heard of sigmoidoscopy or colonoscopy 56 68 .001 59 74 <.001 .522
    Ever heard of colon polyp 56 67 .001 53 77 <.001 .006
Attitudes and beliefs
    Worry about colon cancer 27 43 <.001 38 53 <.001 .833
    Think might get colon cancer 29 27 .547 27 33 .056 .076
    Think need FOBT even if feeling healthy 48 55 .088 48 65 <.001 .057
    Think need sigmoidoscopy or colonoscopy even if feeling healthy 40 50 .010 39 60 <.001 .047
    Afraid FOBT might find cancer 13 11 .446 16 10 .039 .348
    Afraid sigmoidoscopy or colonoscopy might find cancer 12 10 .398 17 9 .001 .075
    Think sigmoidoscopy or colonoscopy painful 30 26 .010 46 28 <.001 .001
    Think sigmoidoscopy or colonoscopy preparation troublesome 38 30 .033 39 31 .026 .986
Exposure to media elements
    Have seen booklet 8 17 .001 13 34 <.001 .002
    Have read newspaper article 30 44 <.001 33 54 <.001 .104
    Have seen newspaper ad 30 48 <.001 31 62 <.001 .01
    Have heard radio ad 47 50 .458 29 60 <.001 <.001
    Have seen television ad 11 17 .051 20 50 <.001 <.001

Note. FOBT = fecal occult blood test. The intervention community was Alameda and Santa Clara Counties, CA; the control community was Harris County, TX.

a

P from McNemar test.

b

Difference between intervention and control. P from z test (difference in change in proportion from pre- to postintervention).

c

A screening test is defined as a report of having a test specifically for screening for colorectal cancer and not for following-up symptoms or previous abnormal test results.