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Study Of Behavioral Risk Pattern. Special Populations Of Toxoplasma Gondii Infection

Posted on:2002-06-13Degree:MasterType:Thesis
Country:ChinaCandidate:Y MaFull Text:PDF
GTID:2204360032950146Subject:Epidemiology and Health Statistics
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Objective: To explore the behavioral risk model of toxoplasmosis infection in a particular occupational population. Method: The sample came from workers in a Hangzhou slaughterhouse, and targeted those who were in contact with a pig reservoir at risk for toxoplasmosis infection. The serum samples were examined for the presence of the cAG,Toxo-IgG,Toxo-IgM antibody to toxoplasmosis using the ELISA method. Behavioral measurements were conducted using the questionnaire method, which was developed according to theory of reasoned action. In this study we depicted the association between behavior factors and toxoplasmosis infection with the theory of reasoned action, which theoretical constructs are concerned with individual motivational factors as determinants of the likelihood of performing preventive actions, thereby determining toxoplasmosis infection. That is, the direct determinants of an individual抯 behavioral are his attitude toward performing the behavior and subjective norm associated with the behavior. Attitude is determined by the individual抯 3 beliefs in performing preventive actions and their behavior evaluations of the outcome, similarly a person抯 subjective norm is determined by normative beliefs and his motivation to comply with those. The construct consists of a measurement model that specifies the relation of measured behavior variables, and a behavior variable model that shows the influence of behavior variables on each other. Factor analysis methods were used to estimate the parameters of the measured model, and the behavior variable model was done with the two step analysis strategies,which the behavior variable was analyzed using the path analysis method, and the analysis of relationship between preventive actions and toxoplasmosis infection was done using the logistic regression model. Main Results: Validity material was recruited for 302 people, the answering rate was 95.8 7%. The infection rate was 19.20%. 15.89% possessed cAG, 5.63% possessed ToXo-IgG, 2.32% possessed Toxo-IgM, 1.32% of the three cAg , Toxo-JgG and Toxo-IgM, 2.65% of both cAg and Toxo-IgG, 1.99% of both cAg and 1gM. There was significant association between 4 toxoplasmosis infections and contact with a live pig or body fluid.Factor analysis results show internal consistence reliability of others behavioral variables is good (Cronbach抯 u >0.7), except evaluation of behavioral outcomes and these behavior variables can be explained by their measured items. Logistic regression and path analysis suggested that both components provided significant independent contributions to preventive actions, the latter correlated significantly with toxoplamosis infections. Subjective norm is relatively more important in predicting the preventive behavior than behavior beliefs. Conclusion: Our findings provide support for application of the theory of reasoned action to understand how behavioral factors play a role in infection of toxoplasmosis. This is important for us to consider strategies and measurements of preventing this disease.
Keywords/Search Tags:Toxoplasmosis, Behavior, The Theory of Reasoned Action, Risk factor
PDF Full Text Request
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