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Validating a questionnaire to identify women in the first trimester of pregnancy during preventive chemotherapy interventions against soil-transmitted helminths in northwestern Tanzania.
IJID Reg 2024 March
OBJECTIVES: To evaluate the performance of a questionnaire in assessing the pregnancy status of women of reproductive age during preventive chemotherapy interventions.
METHODS: A questionnaire (20 questions) was administered to 1217 women of reproductive age (≥18 years) from Ilemela and Buchosa districts, northwestern Tanzania. A single urine sample was collected from each of them and tested using a rapid pregnancy test for presence of pregnant.
RESULTS: Overall, 10.8% (132/1217) of the women reported to be pregnant at the specific question in the questionnaire. The rapid pregnancy test identified 15.1% (184/1217) of the women to be pregnant. In total, 86.4% (114/132) of the women who reported to be pregnant during the interview were confirmed to be pregnant using the rapid pregnant test. The question on pregnancy demonstrated an overall sensitivity of 62% and specificity of 98.3%.
CONCLUSIONS: The questionnaire performance was not completely satisfactory; however, it managed to identify pregnant women in the first trimester. The question on the last date of the start of the menstrual period yield the highest sensitivity and appeared to be the key one used in combination with other questions. Further validation of these results in other countries with different cultures are recommended to fully evaluate the performance of this method.
METHODS: A questionnaire (20 questions) was administered to 1217 women of reproductive age (≥18 years) from Ilemela and Buchosa districts, northwestern Tanzania. A single urine sample was collected from each of them and tested using a rapid pregnancy test for presence of pregnant.
RESULTS: Overall, 10.8% (132/1217) of the women reported to be pregnant at the specific question in the questionnaire. The rapid pregnancy test identified 15.1% (184/1217) of the women to be pregnant. In total, 86.4% (114/132) of the women who reported to be pregnant during the interview were confirmed to be pregnant using the rapid pregnant test. The question on pregnancy demonstrated an overall sensitivity of 62% and specificity of 98.3%.
CONCLUSIONS: The questionnaire performance was not completely satisfactory; however, it managed to identify pregnant women in the first trimester. The question on the last date of the start of the menstrual period yield the highest sensitivity and appeared to be the key one used in combination with other questions. Further validation of these results in other countries with different cultures are recommended to fully evaluate the performance of this method.
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