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Prev Med. 2008 Dec;47(6):605-11. doi: 10.1016/j.ypmed.2008.10.004. Epub 2008 Oct 15.

A tailored Internet-plus-email intervention for increasing physical activity among ethnically-diverse women.

Author information

1
Health Promotion Research Branch, Behavioral Research Program, Division of Cancer Control and Population Sciences, National Cancer Institute, National Institutes of Health, Bethesda, MD 20852, USA.

Abstract

OBJECTIVE:

To evaluate the feasibility and efficacy of an individually tailored, Internet-plus-email physical activity intervention designed for adult women.

METHOD:

Healthy and ethnically-diverse adult females (N=156) (mean age=42.8 years, 65% Caucasian) from California were randomly assigned to an intervention (access to a tailored website and weekly emails) or wait-list control group. Participants completed web-based assessments of physical activity, stage of behavior change, and psychosocial variables at baseline, one month, two months, and three months. Data were collected during 2006-2007. Multilevel random coefficient modeling examined group differences in rates of change.

RESULTS:

As compared to the control condition, the intervention group increased walking (+69 versus +32 min per week) and total moderate-to-vigorous physical activity (+23 versus -25 min per week) after three months. The intervention did not impact stage of behavior change or any of the other psychosocial variables.

CONCLUSION:

A tailored, Internet-based intervention for adult women had a positive effect on walking and moderate-to-vigorous physical activity in an ethnically-diverse sample. However, given the lack of comparable research contact in the control group, these findings should be taken cautiously.

PMID:
18977243
DOI:
10.1016/j.ypmed.2008.10.004
[Indexed for MEDLINE]

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