National Estimates of Blood Lead Levels: United States, 1976–1980

摘要: Abstract Data from the second National Health and Nutrition Examination Survey showed that 22 per cent of persons six months through 74 years old had blood lead levels under 10 μg deciliter; 1.9 elevated (≥30 deciliter [≥1.45 μmol liter]). Among children five prevalence was significantly higher (4 cent) than previously predicted on basis fewer data. The 12.2 in black 2.0 white children. Mean were blacks whites among adults, young living urban rural areas, members low-income, moderate-income, higher-income families. These racial contrasts may reflect different exposure or absorption (or both). Young families (both black) whose incomes $6,000 a those...