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Life-course perspective on socioeconomic differences in carotid atherosclerosis
Maria Rosvall1, Per-Olof Ostergren, Bo Hedblad
1Department of Community Medicine, Lund University, Malmö, Sweden. maria.rosvall@smi.mas.lu.se
Objective:
Socioeconomic status (SES) in adulthood is known to be related to carotid atherosclerosis. However, few studies have tried to assess its association with SES from a life-course perspective.
Methods And Results:
We examined the relationship between SES in childhood and in adulthood and carotid atherosclerosis in a general population of Swedish men and women. Carotid stenosis was determined by B-mode ultrasound. Results showed that women whose fathers' occupations involved unskilled manual labor had higher odds of carotid stenosis than did women whose fathers' occupations involved high- or medium-level nonmanual labor, even after adjustment for adult occupational status and risk factors (odds ratio 1.8, 95% CI 1.1 to 2.8). No such association appeared in men. Furthermore, the impact of life-course SES on atherosclerosis was examined by using an additive measure of one's combined SES during childhood and adulthood. Among women, the odds of carotid stenosis increased with a rise in exposure to low SES during the life-course (P for trend <0.001). In men, no such trend was found.
Conclusions:
The results indicate that the total life-course exposure to low SES, with contributions from childhood and adulthood, seems to play a role in atherogenesis in women. Such a pattern of association could not be shown in men.