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South African Family Practice

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Quality of Pharmaceutical Print Advertising in South Africa - Assessment of Reproductive Health Advertisements 2001-2005

A Shaw, A Gray

Abstract


Background: Pharmaceutical advertising, in a variety of forms, has been shown to influence prescribing behaviour. Regulatory systems have
therefore been concerned with the quality of advertising and compliance with either imposed or self-regulatory codes of practice. Although the South
African Medicines Act provides for an enforceable code of practice, the draft version published in 2004 has yet to be put into effect. This study aimed
to assess the quality of pharmaceutical advertisements for reproductive health products, published in South African medical publications over the
period 2001 to 2005. Compliance with the draft code of practice was considered, as well as the usefulness of the code itself.
Methods: Half-page and larger print advertisements for reproductive health medicines were sought from two South African peer-reviewed and
four non-peer-reviewed medical publications. Advertisements published in three consecutive months in 2001 to 2005 were selected. This period
represented the period prior to legislation being developed and the period during which the code of practice was developed and published for
comment. Details from each advertisement were captured independently by two reviewers using a pre-determined, pre-tested 60-question
questionnaire. Differences were resolved by consensus. The questionnaire was pre-tested and adapted before being applied. Questions sought to
identify characteristics of the advertisement that were indicative of quality relating to claims and evidence used in support of the claims, as well as
adherence to the draft code of practice. The number of claims made in each advertisement was identified, and for each claim the evidence provided in the form of references was assessed.
Results: A total of 136 reproductive health product advertisements were retrieved from 105 medical publications. Only 63 advertisements were
unique. On average each medical publication selected contained 1.3 reproductive health product advertisements. All but three advertisements were for registered orthodox medicines. A total of 191 ‘claims’ could be discerned in advertisements placed in medical publications (average 3.0 ‘claims’ per advertisement). Only 7/103 (6.8%) references cited in unique advertisements in medical publications could be retrieved in abstract form from Medline, and only 1/7 (14.3%) of these references could be retrieved in free full-text format. In total, 14/103 (13.6%) of the references cited in
advertisements placed in medical publications were listed as “data on file”. Compliance with the relevant general regulation was easier to judge, and
seen more often, than was the case in respect of the more subjective elements included in the draft code of practice.
Conclusions: The quality of advertisements for reproductive health products placed in medical publications appears to fall short of at least some of the requirements of both existing and draft regulatory instruments. This may potentially have deleterious consequences for both prescriber and consumer behaviour. The draft code of practice is, however, often difficult to apply in an objective and consistent manner, and may be open to interpretation and therefore variable standards of quality.



http://dx.doi.org/10.1080/20786204.2008.10873777
AJOL African Journals Online