Development of Dengue Hemorrhagic Fever Prevention Model in the Community

Main Article Content

Surat Tansiri
Kanchana Piboon
Dhamawat Oppawongasapat
Chingchai Methapat

Abstract

            The objectives of this integrated research study aimed at developing a model for preventing hemorrhagic fever in community, and evaluating effectiveness of the preventive model. This study consisted of 2 phases:
            Phase 1 was aimed to develop a model for preventing hemorrhagic fever in community using a participatory action research (PAR). The purposive sampling for participating in developing the preventive model recruited 78 stakeholders into the study. In this phase, data were gathered through focus group discussions, in-depth interviews, observation, and appropriate assessment of the preventive model for hemorrhagic fever in the community by using the assessment form and Phase 2 was aimed to evaluate effectiveness of the preventive model using a quasi-experimental research one group pre-posttest design and operating activities had been proceeded for 16 weeks. The purposive sampling participating in evaluating effectiveness of the preventive model recruited 207 household representatives whose ages were more than 18 years old. They all voluntarily participated in the study. The study tools in the second phase were the preventive model for hemorrhagic fever in the community and a set of standardized questionnaires consisted of dengue hemorrhagic fever awareness and preventive behavior. The house index (HI, percentage of houses positive for larvae) and containers index (CI, percentage of containers positive for larvae) were identified for prevalence of dengue fever transmission. The qualitative data were analyzed by content analysis while quantitative data were analyzed by descriptive statistics and paired t-test.
            The study results showed that the process of dengue hemorrhagic fever prevention model consisted of five key components: 1) planning and strategies, 2) finding and evaluating risk factors, 3) building personal capacities and developing the system of community problem management, 4) building participatory action between community and government sectors, and 5) conducting dengue hemorrhagic fever prevention activities with community participation.
            When testing effectiveness of dengue hemorrhagic fever prevention model, it was showed that after completing operating activities at the end of the 16th week, the sample had average scores of knowledge awareness and preventive behavior for dengue hemorrhagic fever higher than their average scores rated at the pre-operating activities with statistical significance (p < .05). For the lava index both in house and in containers, it was found that the index scores were reduced from the scores of the pre-operating activities with statistical significance (p < .05).
            As the research results, it showed that dengue hemorrhagic fever prevention model was able to raise knowledge awareness and behavior for self-preventing dengue hemorrhagic fever, and reduce the lava index. Therefore, health care providers are recommended that they should apply the preventive model in other communities and could adapt the model to community contexts for preventing dengue hemorrhagic fever.

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