Table 5. Trends in Serum Lipids and Lipoproteins of US Adults, 1976-1980 to 1999-2002* Mean (SE), mg/dL Serum Triglyceride, Geometric Mean LDL Cholesterol HDL Cholesterol (SE), mg/dL 1976-1980 1988-1994 1999-2002 1976-1980 1988-1994 1999-2002 1976-1980 1988-1994 1999-2002 All Racial/Ethnic Groups 20-74 y 138 (1.3) 128 (0.9)§ 123 (1.0)§ 49.7 (0.39) 50.6 (0.35) 51.0 (0.36)§ 114 (1.6) 116 (1.9) 122 (1.9)§ 20 y¶ 129 (0.8) 123 (1.0) 50.7 (0.34) 51.3 (0.36) 118 (1.9) 123 (1.8) Men, age, y 20-74 140 (1.4) 131 (0.9)§ 126 (1.4)§ 45.1 (0.37) 45.6 (0.37) 45.8 (0.34) 124 (1.8) 126 (2.6) 132 (3.2)§ 20¶ 131 (0.9) 126 (1.4) 45.6 (0.36) 45.9 (0.34) 127 (2.5) 132 (3.3) 20-29 121 (2.0) 112 (1.4)§ 114 (2.6) 46.0 (0.48) 47.0 (0.56) 45.3 (0.47) 98 (3.2) 94 (3.2) 103 (3.7) 30-39 137 (2.6) 131 (2.4) 126 (2.2)§ 44.5 (0.61) 45.6 (0.61) 45.1 (0.52) 120 (4.1) 117 (5.1) 122 (3.5) 40-49 147 (2.9) 139 (2.6)§ 131 (2.4)§ 44.1 (0.67) 45.1 (0.68) 46.1 (0.59) 141 (6.0) 138 (6.0) 153 (8.7) 50-59 154 (2.8) 137 (2.9)§ 136 (2.2)§ 45.0 (0.66) 44.5 (0.76) 46.2 (0.65) 136 (4.2) 147 (4.6) 148 (6.6) 60-74 148 (1.8) 137 (1.5)§ 125 (2.3)§ 45.8 (0.51) 45.5 (0.46) 46.6 (0.75) 131 (3.4) 143 (4.6) 137 (4.9)§ 75 132 (2.1) 115 (2.3) 46.4 (0.75) 47.2 (0.77) 129 (4.7) 124 (5.8) Women, age, y 20-74 136 (1.5) 124 (1.2)§ 120 (1.1)§ 53.8 (0.45) 55.3 (0.44) 55.9 (0.47)§ 106 (1.8) 108 (2.1) 114 (1.6) 20¶ 126 (1.2) 120 (1.1) 55.4 (0.43) 56.2 (0.47) 110 (2.0) 115 (1.5) 20-29 113 (2.2) 109 (2.4) 107 (2.3) 52.9 (0.55) 55.3 (0.74)§ 53.0 (0.60) 91 (2.6) 89 (2.7) 97 (3.3) 30-39 124 (2.2) 114 (1.9)§ 115 (1.6)§ 52.6 (0.66) 54.4 (0.80) 54.7 (0.55) 89 (2.2) 93 (3.7) 102 (2.6) 40-49 136 (2.4) 123 (2.2)§ 121 (2.4)§ 53.4 (0.87) 54.9 (0.73) 55.9 (0.86) 104 (3.0) 103 (4.0) 104 (3.9) 50-59 157 (3.3) 140 (3.0)§ 129 (2.3)§ 56.3 (0.82) 56.6 (0.96) 58.5 (0.98) 119 (3.9) 130 (4.9) 133 (5.0) 60-74 161 (2.1) 144 (2.2)§ 132 (2.5)§ 53.8 (0.51) 55.9 (0.62)§ 58.5 (0.59)§ 134 (2.8) 141 (4.1) 146 (4.0) 75 144 (2.6) 124 (2.4) 55.7 (0.79) 59.2 (0.94) 132 (4.0) 136 (5.7) 20 y¶ Mexican American Both sexes 125 (1.0) 121 (1.3) 48.7 (0.39) 48.9 (0.27) 134 (2.5) 139 (3.3) Men 127 (1.3) 125 (1.9) 45.2 (0.41) 45.0 (0.39) 136 (3.3) 142 (5.7) Women 123 (1.5) 117 (1.5) 52.3 (0.48) 52.9 (0.47) 132 (2.6) 135 (3.9) Non-Hispanic white Both sexes 129 (1.1) 124 (1.2) 50.4 (0.42) 51.2 (0.47) 120 (2.3) 125 (2.1) Men 132 (1.1) 126 (1.7) 44.8 (0.43) 45.5 (0.42) 130 (3.3) 134 (3.8) Women 126 (1.6) 121 (1.1) 55.7 (0.55) 56.6 (0.66) 112 (2.4) 117 (1.9) Non-Hispanic black Both sexes 128 (1.4) 121 (1.6) 55.2 (0.42) 54.5 (0.48) 93 (1.7) 94 (2.4) Men 129 (2.1) 121 (1.7) 52.4 (0.59) 51.0 (0.68) 100 (2.4) 99 (3.4) Women 127 (1.4) 121 (2.4) 57.3 (0.46) 57.3 (0.52) 88 (1.8) 90 (2.6) Abbreviations: HDL, high-density lipoprotein; LDL, low-density lipoprotein. SI conversions: To convert HDL and LDL cholesterol to mmol/L, multiply by 0.0259; and serum triglyceride to mmol/L, multiply by 0.0113. *See Table 2 for the calculation of LDL cholesterol by the Friedewald equation. Based on data from racial/ethnic groups not shown separately. Age-adjusted for the entire population by the direct method to US census population projected estimates for the year 2000 using the age groups 20 to 39 years, 40 to 59 years, and 60 to 74 years.42 §Significantly different from 1976-1980 at P .05 by Bonferroni adjustment. Significantly different from 1988-1994 at P .05 by Bonferroni adjustment. ¶Age-adjusted for the entire population by the direct method to US census population projected estimates for the year 2000 using the age groups 20 to 39 years, 40 to 59 years, and 60 years or older.42