Population 4 Demographic surveys 3 Market surveys 3 Male consumers 2 Men 2 Minorities 2 Adolescent 1 更多 ... Adult 1 African Americans 1 Americans 1 Asian Americans 1 Baby boom generation 1 Cities and towns 1 Community life 1 Consumer behavior 1 Consumers 1 Economic aspects 1 Economic conditions 1 Ethnology 1 Family life surveys 1 Generation X 1 Generation Y 1 Health Behavior 1 Health behavior 1 Health behavior in adolescence 1 Health risk assessment 1 Health surveys 1 Hispanic Americans 1 Medical care 1 Medicare 1 少 ...