Complex sentence: Those taking smaller doses for 1 to 4 years were 1.2 to 1.6 times more likely to break a hip, and the risk of a fracture increased with the length of time taking PPIs.
Split into simpler sentences: Those taking smaller doses for 1 to 4 years were 1.2 to 1.6 times more likely to break a hip. The risk of a fracture increased with the length of time taking PPIs.