The estimated associations of BPA with reported diabetes in 2005/06 was modest but with wide confidence intervals; however, the diabetes association remained significant in pooled data (OR = 1.27, CI: 1.12 to 1.43, p = 0.0004). (journals.plos.org)
However, associations with diabetes seen in the 2003/04 NHANES survey was not evident in the current study, possibly because of the reduction in statistical power due to the lower levels of BPA in 2005/06, resulting in wide confidence intervals around estimates. (journals.plos.org)