Impact of an Educational Pamphlet on Knowledge About Health Risks After Hypertensive Disorders of Pregnancy: A Randomized Trial.

To evaluate patients' knowledge, risk perception, and anxiety about future health risks after an episode of hypertensive disorder of pregnancy (HDP), as well as their satisfaction with an educational pamphlet. From January 2016 to June 2017, participants were randomly assigned to one of 2 groups and asked to complete questionnaire #1 (demographics, knowledge, risk perception, anxiety, and satisfaction) after receiving medical counselling at the HDP postpartum clinic. Participants in the intervention group then received the educational pamphlet. One month later, both groups completed the questionnaire again (questionnaire #2). The primary outcome of this study was improvement in the global knowledge score at 1 month, reflecting improved understanding of the health risks of HDP. Secondary outcomes included retention of information, risk perception, satisfaction, and anxiety level. Of 137 eligible women, 57 were randomly assigned to the intervention group and 56, to the control group. Participants in both groups had similar baseline characteristics. Thirteen percent of participants did not complete questionnaire #2. The knowledge score was higher in the intervention group than the control group at 1 month, (88.2%; 95% confidence interval [CI] 26.37-28.32 and 71.3%; 95% CI 20.78-23.45, respectively [P <0.0001]). No difference was seen in anxiety level between the groups (4.0 ± 1.00 vs. 3.8 ± 0.92; P = 0.6746). The intervention group was highly satisfied with the medical counselling they received (5.5 ± 0.84 out 6) and with the pamphlet (5.6 ± 0.66 out 6). The educational pamphlet increased women's knowledge about future health risks of HDP without increasing anxiety and it may be helpful in promoting lifestyle changes necessary to modify these risks.

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