The Incidence Rate Ratio (IRR) of 0.92 suggests that for each additional unit of daily milk consumption, the rate of fractures decreases by 8%, assuming all other factors are constant. However, the 90% Confidence Interval (CI) of (0.584, 1.449) indicates that we are 90% confident that the true IRR lies within this range, which includes 1. This means that the observed decrease in fracture rate with increased milk consumption is not statistically significant at the 10% level, as the CI includes the value of no effect (IRR=1)