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Am J Public Health. 2016 Jun;106(6):1092-8. doi: 10.2105/AJPH.2016.303111. Epub 2016 Mar 17.

Educational Interventions to Promote Healthy Nutrition and Physical Activity Among Older Chinese Americans: A Cluster-Randomized Trial.

Author information

Jane Jih, Gem Le, Ginny Gildengorin, Ching Wong, Filmer Yu, Rena Pasick, Stephen J. McPhee, and Tung T. Nguyen are with the Division of General Internal Medicine, University of California, San Francisco. Kent Woo and Elaine Chan are with the NICOS Chinese Health Coalition, San Francisco, CA. Janice Y. Tsoh is with the Department of Psychiatry, University of California, San Francisco. Susan Stewart is with the Department of Public Health Sciences, University of California, Davis. Adam Burke is with the Department of Health Education, San Francisco State University, San Francisco. Lei-Chun Fung is with the Chinatown Public Health Center, San Francisco.Department of Public Health, San Francisco.



To evaluate the efficacy of an in-language intervention of 2 lectures plus printed materials versus printed materials alone on knowledge and adherence to nutrition and physical activity guidelines among older Chinese Americans in San Francisco, California.


From August 2010 to September 2013, we randomized 756 Chinese Americans aged 50 to 75 years to either lectures plus print (n = 361) or print (n = 357). Clusters were the participants recruited by each lay health worker. Intervention outcomes were changes in knowledge of recommended vegetable intake, fruit intake, and physical activity level and adherence to those recommendations from pre- to 6 months postintervention.


The retention rate was 99%. At baseline, knowledge and adherence to recommendations were low. Print yielded increases in knowledge of recommended vegetable intake and physical activity level and adherence to fruit intake and physical activity recommendations. Lectures plus print had significant increases in all 6 outcomes. In multivariable models, lectures plus print was superior to print for knowledge of vegetable (adjusted odds ratio [AOR] = 12.61; 95% confidence interval [CI] = 6.50, 24.45) and fruit (AOR = 16.16; 95% CI = 5.61, 46.51) intake recommendations and adherence to vegetable intake recommendations (AOR = 5.53; 95% CI = 1.96, 15.58).


In-language print materials, alone and combined with lectures, increased nutrition and physical activity knowledge and behaviors among older Chinese Americans.

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