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Factors associated with potential medication-herb/natural product interactions in a rural community.

ABSTRACT: Use of both conventional medicines and herbs/natural products are increasing in the United States. Consequently, individuals are more likely to be exposed to potentially harmful interactions between these products.To examine the use of both herbs/natural products and conventional medications in a rural community, examine the prevalence of potential interactions between herbs/natural products and conventional medications, and identify factors associated with exposure to such interactions.Population-based epidemiological study.Data for this paper were collected between 1999 and 2004 as part of the Johnston County Osteoarthritis Project.Limited to civilian, noninstitutionalized, white or African American residents, aged 45 years or older, of Johnston County, North Carolina. Data used in this paper are from 2523 individuals who completed face-to-face interviews.Prevalence of herb/natural product use and exposure to potential interactions between these products and conventional medications.Nineteen percent (n=488) of participants used at least 1 herb/natural product. Among those who used both conventional medications and herbs/natural products, more than 1 in 5 (97 [21.9%]) were using a combination of products associated with a potential interaction. Odds of exposure to a potential interaction were lower among people who had health insurance and increased with the number of products used.Many people are exposed to potential interactions between herbs/natural products and conventional medications. Research is needed to better understand the effect such interactions may have on patient care.

SUBMITTER: Blalock SJ

PROVIDER: S-EPMC5467436 | biostudies-literature | 2009 Sep-Oct

REPOSITORIES: biostudies-literature

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Factors associated with potential medication-herb/natural product interactions in a rural community.

Blalock Susan J SJ Gregory Philip J PJ Patel Rajul A RA Norton Linda L LL Callahan Leigh F LF Jordan Joanne M JM

Alternative therapies in health and medicine 20090901 5

<h4>Context</h4>Use of both conventional medicines and herbs/natural products are increasing in the United States. Consequently, individuals are more likely to be exposed to potentially harmful interactions between these products.<h4>Objective</h4>To examine the use of both herbs/natural products and conventional medications in a rural community, examine the prevalence of potential interactions between herbs/natural products and conventional medications, and identify factors associated with expo ...[more]

PMID: 19771928

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Project description:BACKGROUND: The rate of influenza vaccination in Japan has declined over the past several decades. It is essential to identify community-specific factors that affect attitudes toward vaccination, but such parameters have not yet been fully determined in Japan. The present study used the Health Belief Model (HBM) to identify perceptions of influenza vaccination in a rural Japanese community. METHODS: All subjects were residents of a rural town in the southern part of Kyoto, Japan. An anonymous self-administered questionnaire was mailed to 846 randomly chosen households (containing 2,665 subjects). The survey explored gender, age, history of influenza, and factors associated with obtaining influenza vaccination, based on the HBM. RESULTS: A total of 1,182 valid responses (response rate, 44.4%) were received. Sources of information that were associated with vaccination decisions were medical facilities for children (OR=4.21; 95% CI: 1.17-15.1), workplaces for adults (OR=2.40; 95% CI: 1.22-4.75), medical facilities, town office and family for elderly subjects (OR=6.18; 95% CI: 2.42-15.7, OR=5.59; 95% CI: 2.26-13.8 and OR=3.29; 95% CI: 1.01-10.6). Subjects, in all age groups, who strongly agreed that the vaccine was effective were significantly more likely to be vaccinated (OR=10.5; 95% CI: 2.68-41.7 for children; OR=8.85; 95% CI: 4.61-16.9 for adults; OR=19.9; 95% CI: 8.28-48.0 for the elderly). The vaccination rate of elderly subjects who expressed concerns regarding adverse vaccine effects (OR=0.34, 95% CI: 0.15-0.78) or who were worried about practical barriers to the vaccination process (OR=0.13; 95% CI: 0.05-0.31) was significantly lower than in other populations. CONCLUSIONS: Our results indicate that vaccination coverage can be increased if accurate information on personal risk, severity of influenza illness, and efficacy of vaccination are provided by responsible information sources that are easily accessible. Such sources include medical facilities and municipal offices. In addition, barriers and inconveniences associated with vaccination should be removed, especially if they impact on elderly people.

Project description:BackgroundOlder people with multimorbidity are often prescribed multiple medication treatments, leading to difficulties in self-managing their medications and negative experiences in medication use. The perceived burden arising from the process of undertaking medication self-management practices has been described as medication burden. Preliminary evidence has suggested that patients' demographic and clinical characteristics may impact their medication burden. Little is known regarding how psychosocial factors affect medication burden in older people with multimorbidity. The aim of this study was to identify psychosocial factors associated with medication burden among community-dwelling older people with multimorbidity.MethodsThis is a secondary analysis of a cross-sectional study. A total of 254 older people with three or more chronic conditions were included in the analysis. Participants were assessed for demographics, medication burden, psychosocial variables (depression, medication-related knowledge, beliefs, social support, self-efficacy, and satisfaction), disease burden, and polypharmacy. Medication burden was measured using items from the Treatment Burden Questionnaire. Univariate and multivariate linear regression models explored factors associated with medication burden.ResultsThe mean age of participants was 70.90 years. Participants had an average of 4.40 chronic conditions, and over one-third had polypharmacy. Multivariate analysis showed that the participants' satisfaction with medication treatments (β = -0.32, p < 0.001), disease burden (β = 0.25, p = 0.009), medication self-efficacy (β = -0.21, p < 0.001), polypharmacy (β = 0.15, p = 0.016), and depression (β = 0.14, p = 0.016) were independently associated with medication burden. Other factors, including demographic characteristics, medication knowledge, medication beliefs, medication social support, and the number or specific types of chronic conditions, were not independently associated with medication burden.ConclusionsPoor medication treatment satisfaction, great disease burden, low medication self-efficacy, polypharmacy, and depression may increase individuals' medication burden. Understanding psychosocial aspects associated with medication burden provides an important perspective for identifying older people who are overburdened by their medication treatments and offering individualised treatments to relieve their burden.

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Factors associated with potential medication-herb/natural product interactions in a rural community.

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Factors associated with potential medication-herb/natural product interactions in a rural community.

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