Problem of Lost Health Benefits Is Reaching Into the Middle Class
Health care crisis, once thought to be problem chiefly of poor and unemployed, is spreading up income ladder and deep into ranks of those with full-time jobs; Census Bureau statistics show 1.4 million Americans lost health insurance in 2001, increase largely attributable to economic downturn and resulting rise in unemployment; largest group of newly uninsured, approximately 800,000, had incomes in excess of $75,000; either lost jobs or were priced out of health care market by rapidly rising insurance premiums; many of new job losses are in high-wage industries, like technology and telecommunications; study by Center for Studying Health System Change finds 30 million Americans in working families, or 16 percent of those in families headed by worker, lack health coverage; additional 16 million, mostly low-income workers, are offered health insurance through jobs but decline because they get health care from government programs, or because premiums are too expensive; charts; graphs; photos (L)