期刊
PREVENTIVE MEDICINE
卷 33, 期 3, 页码 204-216出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1006/pmed.2001.0873
关键词
cancer prevention and control; diet; telephone information services; health education
资金
- NCI NIH HHS [R01 CA5973, P01-CA57586] Funding Source: Medline
Background. Results are reported from a large randomized trial designed to increase fruit and vegetable consumption among callers to the National Cancer Institute's Cancer Information Service (CIS) (n = 1,717). Methods. CIS callers assigned to the intervention group (n = 861) received a brief proactive educational intervention over the telephone at the end of usual service, with two follow-up mailouts. Key educational messages and print material derived from the NCI 5 A Day for Better Health program were provided to intervention participants. Participants were interviewed by telephone at 4 weeks (n, = 1,307), 4 months (n 1,180), and 12 months for follow-up (n = 1,016). Results. Results obtained from a single-item measure of fruit and vegetable consumption indicate a significant intervention effect of 0.88 servings per day at 4 weeks follow-up (P < 0.001), 0.63 servings per day at 4 months follow-up (P < 0.001), and 0.43 servings per day at 12 months follow-up (P < 0.001). Using a 7-item food frequency measure, an intervention effect of 0.63 servings per day was obtained at 4 weeks follow-up (P < 0.001), compared with 0.39 servings per day at 4 months follow-up (P = 0.002) and 0.44 servings per day at 12 months follow-up (P = 0.002). A 24-h recall assessment included in the 4-month interviews also yielded a significant intervention effect of 0.67 servings per day (P = 0.015). The vast majority of callers (90%) endorsed the strategy of providing 5 A Day information proactively within the CIS. Conclusions. This brief educational intervention was associated with higher levels of self-reported fruit and vegetable intake at both short- and long-term followup. Additional research is recommended to test this or a similar intervention in diverse populations. <(c)> 2001 American Health Foundation and Academic Press.
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