This randomized clinical trial studies how well a lay health worker outreach works in increasing colorectal cancer screening in Asian Americans. Training community members to educate participants about colorectal cancer and its prevention may improve colorectal cancer screening rates in Asian Americans.
PRIMARY OBJECTIVES: I. Evaluate the efficacy of lay health worker (LHWs) outreach on colorectal cancer (CRC) screening among 3 Asian American groups (Filipinos, Hmong, and Koreans) in a cluster randomized controlled trial (RCT) comparing CRC education delivered by LHWs (intervention) to a CRC brochure and nutrition education (control). II. Examine the processes through which LHWs communicate with, connect to, and convince community members from 3 Asian American cultures of the importance of CRC screening using mixed methods. OUTLINE: Lay health workers (LHWs) are randomized to 1 of 2 groups. GROUP I (CRC EDUCATION): LHWs undergo training over 3 days and recruit 15 participants from their social network. Participants attend a CRC educational session conducted by an LHW over 90 minutes at month 1 and 3. Participants receive phone calls from the LHW at months 2 and 4 reminding them about CRC screening. GROUP II (CRC BROCHURE): LHWs undergo training over 3 days and recruit 15 participants from their social network. Participants attend a lecture on healthy nutrition for cardiovascular health presented by a professional health educator at months 1 and 3. After the first meeting, participants receive a brochure on CRC screening. Participants receive phone calls from the LHW at months 2 and 4 regarding changes in their nutritional behavior. Participants may attend an optional post-intervention LHW outreach session on CRC screening. After completion of the study, patients are followed up at 2 months.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
NONE
Enrollment
982
Attend CRC education session
Attend healthy nutrition session
Receive CRC screening brochure
UCLA / Jonsson Comprehensive Cancer Center
Los Angeles, California, United States
University of California Davis Comprehensive Cancer Center
Sacramento, California, United States
University of California, San Francisco
San Francisco, California, United States
University of Hawaii Cancer Center
Honolulu, Hawaii, United States
Proportion of participants who report ever having had a CRC screening test
Bivariable and multivariable analyses of the binary outcomes (CRC screening ever, up-to-date, and intention) will be conducted using generalized linear models to evaluate the efficacy of the intervention. A linear model with identity link function will be used with group (intervention or control), time (pre- or post-), and group-by-time interaction to test for a difference in the change from pre- to post-intervention between the 2 groups, thus measuring the efficacy of the intervention.
Time frame: Baseline to 6 months
Proportion of participants who are up-to-date for CRC screening
Bivariable and multivariable analyses of the binary outcomes (CRC screening ever, up-to-date, and intention) will be conducted using generalized linear models to evaluate the efficacy of the intervention.
Time frame: At 6 months
Proportion of participants who intend to obtain CRC screening in the next 6 months
Bivariable and multivariable analyses of the binary outcomes (CRC screening ever, up-to-date, and intention) will be conducted using generalized linear models to evaluate the efficacy of the intervention.
Time frame: At 6 months
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Ancillary studies
Receive telephone reminder about CRC screening
Receive telephone reminder about healthy nutrition