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Objective: to immunization programs level of knowledge about the city of pregnant women, to evaluate the acceptance of change and behavior intervention effect of health education level of knowledge on EPI Knowledge. Using stratified random sampling methods: between January 10, 2007-March 31, three of the city's 18 districts and counties into urban areas, the Bohai Sea and the suburbs, and five counties in accordance with the economic, cultural and other factors, from the each floor of each collected two counties, Nankai District, Hedong District, Tanggu District, West Tsing District, Ninghe, Jixian six districts as the survey area. Each survey area, according to the 2006 annual inspection status, determine the area responsible for the number of prenatal check up 3-4 medical institutions as investigation units in the region, the 22 medical institutions were selected as the survey unit. To the investigation unit to attend antenatal check the gestational age of 12 weeks or more pregnant women living in Tianjin for more than three months of 1440 as the research object. In accordance with the principle of randomization, 720 pregnant women as health education intervention group EPI Knowledge, 720 pregnant women as a control group, not its health education. Survey, knowledge about the situation of immunization programs in the two groups before and after the intervention and follow-up within one year after the birth Vaccination evaluation of intervention effects. The general situation of the pregnant women, the cognitive level of knowledge of immunization programs, timely childhood vaccination rate data were compared using the u test, the percentage of the chi-square test was used for statistical analysis. Results: The baseline survey of 1440 pregnant women found that pregnant women only 13.26% of all the immunization programs vaccine types awareness; other time of vaccination, vaccination sites, vaccination certificate processing time, check the location and other problem awareness rate of 71.29 percent, respectively. , 41.74%, 24.65%, 33.75%; pregnant women of 26-30 age group the highest awareness rate of immunization programs (15.19%), pregnant women ≤ 20-year-old age group awareness lowest (5.00%), awareness among all age groups The difference was statistically significant (X2 = 19.54, P lt; 0.01); culture of pregnant women to varying degrees, knowledge awareness of their immunization programs (X2 = 39.36, P lt; 0.01), tertiary and higher awareness highest (19.02% ), high school and secondary school (8.69%), junior high school and above (7.09%) lower. Occupational distribution of cadres group awareness highest (18.26%), farmers group was the lowest (3.64%), middle (11.58%) of the Workers' group awareness rate difference between the groups was statistically significant (X2 = 48.34, P lt; 0.01). Vaccine awareness of immunization programs of intervention and control groups before intervention were 14.41 percent, 11.38 percent, the difference was not statistically significant (X22 = 1.45, P gt; 0.05), after the intervention of awareness were 42.72%, 12.89%, the difference was statistically significant (X2 = 161.98, P lt; 0.01); 1 and a half years after the intervention, the intervention group object child immunization programs within the 1-year-old vaccine single seedlings inoculated with timely rate of 95.98% for hepatitis B, BCG 96.43% , 93.30%, DPT, measles 83.48% JE 86.38% ECM 76.79% and vaccination of timely rate of 53.35%; 86.32% of the control group, single seedlings inoculated with timely rate of hepatitis B 93.23%, respectively, BCG was 94.92%, the DPT , Measles 73.20%,, JE 69.96%, ECM 69.53%, vaccinated timely rate of 33.45%, which children in the intervention group and the control group DPT, measles, encephalitis, meningitis single seedlings inoculated timely rate of fully immunized in a timely manner The rate difference was statistically significant (P lt; 0.01), immunization planning knowledge rate difference was statistically significant (X2 = 4.27, P = 0.03). Different population characteristics pregnant women recent EPI Knowledge intervention effect difference was not statistically significant (P gt; 0.05); health education intervention for pregnant women (OR = 2.035,95% CI :1.574-2 .632) and high education level (OR = 1.214,95% CI.1.045-1.409) could increase the probability of its children 1 year of age, immunization programs the vaccine throughout timely vaccination. 95.52% of pregnant women want to get the vaccination knowledge, the best hope to get the three former ways for doctors (31.55%), the professional books Manual (23.19%), television newspapers (19.97%). Conclusion: Pregnant women immunization programs lower the level of knowledge, and there are differences between different groups of age, education level, occupation, and the crowd want to get the vaccination knowledge and health intervention after the level of knowledge and behavior change effect is obvious. Should be strengthened in the future on this population's knowledge of immunization programs of health education measures, promotional materials and pregnant women, school doctors on a combination of way can be considered to take payment.
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