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BMC Public Health. 2012; 12: 170.
Published online Mar 8, 2012. doi:  10.1186/1471-2458-12-170
PMCID: PMC3310823
The effect of participatory community communication on HIV preventive behaviors among ethnic minority youth in central Vietnam
Huy V Nguyen,corresponding author1 Giang M Le,2 Son M Nguyen,3 Mai N Tran,4 and Nguyet M Ha5
1Institute for Preventive Medicine and Public Health, Hanoi Medical University, 01 Ton That Tung Str., Dong Da Dist., Hanoi, 10000, Vietnam
2Institute for Preventive Medicine and Public Health, Hanoi Medical University, 01 Ton That Tung Str., Dong Da Dist., Hanoi, 10000, Vietnam
3Institute for Preventive Medicine and Public Health, Hanoi Medical University, 01 Ton That Tung Str., Dong Da Dist., Hanoi, 10000, Vietnam
4Faculty of Nursing, Hanoi Medical University, 01 Ton That Tung Str., Dong Da Dist., Hanoi, 10000, Vietnam
5Vietnam Authority of HIV/AIDS Control, 135/3 Nui Truc, Ba Dinh Dist, Hanoi, 10000, Vietnam
corresponding authorCorresponding author.
Huy V Nguyen: nvanhuy/at/yahoo.com; Giang M Le: leminhgiang/at/hmu.edu.vn; Son M Nguyen: son_hmu/at/yahoo.com.vn; Mai N Tran: tranthingocmai/at/gmail.com; Nguyet M Ha: haminhnguyet87/at/gmail.com
Received December 8, 2011; Accepted March 8, 2012.
Abstract
Background
In Vietnam, socially marginalized groups such as ethnic minorities in mountainous areas are often difficult to engage in HIV research and prevention programs. This intervention study aimed to estimate the effect of participatory community communication (PCC) on changing HIV preventive ideation and behavior among ethnic minority youth in a rural district from central Vietnam.
Methods
In a cross-sectional survey after the PCC intervention, using a structured questionnaire, 800 ethnic minority youth were approached for face-to-face interviews. Propensity score matching (PSM) technique was then utilized to match these participants into two groups-intervention and control-for estimating the effect of the PCC.
Results
HIV preventive knowledge and ideation tended to increase as the level of recall changed accordingly. The campaign had a significant indirect effect on condom use through its effect on ideation or perceptions. When intervention and control group statistically equivalently reached in terms of individual and social characteristics by PSM, proportions of displaying HIV preventive knowledge, ideation and condom use were significantly higher in intervention group than in matched control counterparts, accounting for net differences of 7.4%, 12.7% and 5%, respectively, and can be translated into the number of 210; 361 and 142 ethnic minority youth in the population.
Conclusions
The study informs public health implications both theoretically and practically to guide effective HIV control programs for marginalized communities in resources-constrained settings like rural Vietnam and similar contexts of developing countries.
Keywords: Ethnic minority youth, HIV/AIDS, Participatory community communication (PCC), Propensity score matching (PSM), Vietnam
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