Complex sentence: As of 2003, Kauai's unemployment rate was 3.9%, compared to 3.0% for the entire state and 5.7% for the United States as a whole; and, Kauai's poverty rate was 10.5%, compared to the Mainland's 10.7%.
Split into simpler sentences: As of 2003, Kauai's unemployment rate was 3.9%, compared to 3.0% for the entire state and 5.7% for the United States as a whole. In addition, Kauai's poverty rate was 10.5%, compared to the contiguous 48 states at 10.7%.