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Br J Clin Pharmacol. 2009 Mar;67(3):355-62. doi: 10.1111/j.1365-2125.2008.03360.x. Epub 2008 Dec 10.

Statin treatment in a cohort of 20 212 men and women in Norway according to cardiovascular risk factors and level of education.

Author information

1
Department of Pharmacoepidemiology, Norwegian Institute of Public Health, Oslo, Norway. randi.selmer@fhi.no

Abstract

AIMS:

To study the influence of patients' education and cardiovascular risk factors on the probability of statin treatment.

METHODS:

A prospective cohort study of participants in regional health surveys in Norway 2000-2002 with statin use recorded in the Norwegian Prescription Database 2004-2006 as outcome measure. Information on history of cardiovascular disease (CVD) and diabetes, lipid levels, blood pressure, use of cardiovascular drugs, body mass index, family history, smoking, physical activity, marital status and place of residence was obtained at baseline. A total of 20,212 men and women aged 40-41, 45-46 and 59-61 years who reported never use of statins were included. Educational level was retrieved from Statistics Norway. Adjusted relative risks (RR) were estimated by Poisson regression.

RESULTS:

Whereas 655 participants reported a history of CVD or diabetes, 19,557 reported no such history. In the non-CVD/diabetes group 1,620 persons (8%) became statin users and 222 persons (34%) in the CVD/diabetes group. RR of becoming a statin user for high vs. low education increased from 0.64 [95% confidence interval (CI) 0.55, 0.73] to 0.91 (95% CI 0.79, 1.05) after adjustment in the non-CVD/diabetes group and from 0.94 (95% CI 0.70, 1.26) to 1.35 (95% CI 1.00, 1.81) in the CVD/diabetes group.

CONCLUSIONS:

Patients with no history of CVD/diabetes were prescribed statins according to cardiovascular risk independent of education. There was a tendency to a higher probability of statin treatment among highly educated compared with people of lower educational level in the group with a history of CVD or diabetes, after adjustment for other CVD risk factors, particularly in women.

PMID:
19523016
PMCID:
PMC2675047
DOI:
10.1111/j.1365-2125.2008.03360.x
[Indexed for MEDLINE]
Free PMC Article
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