Payer on Admission by Age.

For those ≤15 years, Medicaid coverage rose to nearly 50% in the early 1990s, then decreased, and has now risen again to similar levels. Insurance coverage followed a reversed pattern. The current distribution (2005–2009) is ∼45% Medicaid, ∼45% Insurance and ∼5% Uninsured. For those ≥16 years, Medicaid coverage increased to 40% in the early 1990s and then declined. Insurance coverage declined to the early 1990s and has now risen. The proportion of L&I coverage has declined over time but has changed little since the early 1990s. Medicare coverage has been quite stable. The current distribution (2005–2009) is ∼15% Medicare, ∼15% Medicaid, ∼30% Insurance, ∼20% L&I and ∼20% Uninsured. (The row totals do not equal 100% since some categories with small n were omitted from the table.)