"National Health Interview Survey (U.S.)" . . "Preventive health services." . . "Medicine, Preventive." . . "Public health." . . "Marriage United States Statistics." . . "Preventive health services United States Statistics." . . "Marriage." . . "Men's health services United States Statistics." . . "Health risk assessment United States Statistics." . . . . "Men Health and hygiene." . . "Unmarried couples United States Statistics." . . "Unmarried couples." . . "National Center for Health Statistics (U.S.)" . . "National Center for Health Statistics (U.S.)," . "Medicine, Preventive United States Statistics." . . . . . . . . "Marriage, cohabitation, and men's use of preventive health care services"@en . . . . . . . . . . . . . . . . . . . . "Statistics"@en . . . "Men Health and hygiene United States Statistics." . . "United States." . . "Men's health services." . . "Health risk assessment." . . "Public health United States Statistics." . .