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Predictors of non-attendance for second round mammography in an Australian mammographic screening programme
A M O'Byrne1, A M Kavanagh, A Ugoni
1Public Health Medicine, Northern and Yorkshire Regional Training Scheme, County Durham Health Authority, Durham, UK.
Objective:
To determine the socioeconomic, cultural, and clinical predictors of non-attendance for second round mammography.
Design/Participants:
Retrospective cohort study of 121 889 women aged 50-69 years who attended for first mammography screening in the BreastScreen Victoria programme in 1995/1996 and who were recommended to be invited for routine biennial mammography. Women were considered to be non-attenders if they had not attended for rescreening within 27 months of their initial screening. Relative risk (RR) was used to compare categories for non-attendance for second screening, and a multivariate model was fitted to adjust for possible confounding.
Setting:
BreastScreen Victoria, a population based mammographic screening programme, which offers free biennial mammography to all women 40 years and older. The programme specifically targets women aged 50-69 years.
Results:
In the multivariate analysis, women from non-English speaking backgrounds were more likely not to attend for second round screening (RR ranged from 1.18 to 1.77). Indigenous women (RR 2.02, 95% confidence interval (CI) 1.61 to 2.54) and women who reported either significant symptoms (RR 1.90, 95% CI 1.76 to 2.05) or other breast symptoms (RR 2.25, 95% CI 2.15 to 2.36) at the time of first round screening were also more likely not to attend for second round screening.
Conclusions:
Women from non-English speaking backgrounds, indigenous women, and women who report symptoms at the time of first screening are more likely to not attend for second round screening. It is important to investigate why these women do not attend for second round screening so that services can be more appropriately tailored to their needs.