Angela Lupattelli1, Marta Picinardi2, Adrienne Einarson3, Hedvig Nordeng4. 1. School of Pharmacy, University of Oslo, Oslo, Norway. Electronic address: angela.lupattelli@farmasi.uio.no. 2. School of Pharmacy, University of Oslo, Oslo, Norway. 3. The Motherisk Program, Hospital for Sick Children, Toronto, Canada. 4. School of Pharmacy, University of Oslo, Oslo, Norway; Norwegian Institute of Public Health, Oslo, Norway.
Abstract
OBJECTIVE: Investigate the association between health literacy and perception of medication risk, beliefs about medications, use and non-adherence to prescribed pharmacotherapy during pregnancy, and whether risk perception and beliefs may mediate an association between health literacy and non-adherence. METHODS: This multinational, cross-sectional, internet-based study recruited pregnant woman between 1 October 2011 and 29 February 2012. Data on maternal socio-demographics, medication use, risk perception, beliefs, and non-adherence were collected via an on-line questionnaire. Health literacy was measured via a self-assessment scale. Mann-Whitney U test, Spearman's rank correlation, Generalized Estimating Equations and mediation analysis were utilized. RESULTS: 4999 pregnant women were included. Low-health literacy women reported higher risk perception for medications, especially penicillins (Rho: -0.216) and swine flu vaccine (Rho: -0.204) and more negative beliefs about medication. Non-adherence ranged from 19.2% (high-health literacy) to 25.0% (low-health literacy). Low-health literacy women were more likely to be non-adherent to pharmacotherapy than their high-level counterparts (adjusted OR: 1.30; 95% CI: 1.02-1.66). Risk perception and beliefs appeared to mediate the association between health literacy and non-adherence. CONCLUSION: Health literacy was significantly associated with maternal health behaviors regarding medication non-adherence. PRACTICE IMPLICATIONS: Clinicians should take time to inquire into their patients' ability to understand health information, perception and beliefs, in order to promote adherence during pregnancy.
OBJECTIVE: Investigate the association between health literacy and perception of medication risk, beliefs about medications, use and non-adherence to prescribed pharmacotherapy during pregnancy, and whether risk perception and beliefs may mediate an association between health literacy and non-adherence. METHODS: This multinational, cross-sectional, internet-based study recruited pregnant woman between 1 October 2011 and 29 February 2012. Data on maternal socio-demographics, medication use, risk perception, beliefs, and non-adherence were collected via an on-line questionnaire. Health literacy was measured via a self-assessment scale. Mann-Whitney U test, Spearman's rank correlation, Generalized Estimating Equations and mediation analysis were utilized. RESULTS: 4999 pregnant women were included. Low-health literacy women reported higher risk perception for medications, especially penicillins (Rho: -0.216) and swineflu vaccine (Rho: -0.204) and more negative beliefs about medication. Non-adherence ranged from 19.2% (high-health literacy) to 25.0% (low-health literacy). Low-health literacy women were more likely to be non-adherent to pharmacotherapy than their high-level counterparts (adjusted OR: 1.30; 95% CI: 1.02-1.66). Risk perception and beliefs appeared to mediate the association between health literacy and non-adherence. CONCLUSION: Health literacy was significantly associated with maternal health behaviors regarding medication non-adherence. PRACTICE IMPLICATIONS: Clinicians should take time to inquire into their patients' ability to understand health information, perception and beliefs, in order to promote adherence during pregnancy.
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