Table 22.

Left leg fat mass in kilograms for examined persons 8 years of age and older, by sex, race and ethnicity, and age: United States, 1999–2004

Sex, race and ethnicity, and age	Sample size	Mean	Standard error of the mean	Percentile
				5th	10th	15th	25th	50th	75th	85th	90th	95th
Male				Kilograms
All race and ethnicity:
Age 20 years and older, age adjusted	6,559	3.9	0.0	…	…	…	…	…	…	…	…	…
Age 20 years and older, crude	6,559	3.9	0.0	1.8	2.2	2.4	2.8	3.6	4.6	5.4	5.9	6.9
Age:
8–11 years	1,067	2.4	0.1	0.9	1.1	1.2	1.4	2.0	3.0	3.6	4.2	5.1
12–15 years	1,726	3.3	0.1	1.3	1.5	1.7	2.0	2.9	4.2	5.3	6.1	7.1
16–19 years	1,751	3.6	0.1	1.4	1.7	1.8	2.1	3.0	4.5	5.4	6.0	7.8
20–39 years	2,183	3.9	0.0	1.7	2.0	2.2	2.6	3.5	4.6	5.5	6.1	7.3
40–59 years	2,024	3.9	0.0	2.0	2.3	2.6	2.9	3.6	4.6	5.2	5.8	6.8
60–79 years	1,851	3.9	0.0	2.1	2.3	2.6	2.9	3.7	4.6	5.3	5.8	6.5
80 years and older	501	3.5	0.1	2.0	2.3	2.4	2.7	3.4	4.1	4.7	5.1	5.7
Mexican American:
Age 20 years and older, age adjusted	1,488	3.4	0.0	…	…	…	…	…	…	…	…	…
Age 20 years and older, crude	1,488	3.5	0.1	1.8	2.0	2.2	2.6	3.2	4.1	4.6	5.3	6.0
Age:
8–11 years	348	2.7	0.1	1.0	1.1	1.3	1.5	2.3	3.4	4.1	4.9	5.7
12–15 years	599	3.4	0.1	1.4	1.6	1.7	2.0	3.1	4.5	5.4	5.9	6.8
16–19 years	611	3.7	0.1	1.5	1.7	1.9	2.2	3.1	4.5	5.5	6.3	7.9
20–39 years	570	3.5	0.1	1.8	2.0	2.2	2.5	3.2	4.2	4.8	5.5	6.0
40–59 years	427	3.4	0.1	1.7	2.1	2.3	2.6	3.2	4.0	4.4	4.7	5.7
60–79 years	443	3.4	0.1	1.8	2.1	2.3	2.6	3.2	4.0	4.6	4.9	5.6
80 years and older	48	3.1	0.2	1.8	2.2	2.4	2.5	2.9	3.4	3.6	4.1	†
Non-Hispanic white:
Age 20 years and older, age adjusted	3,320	3.9	0.0	…	…	…	…	…	…	…	…	…
Age 20 years and older, crude	3,320	4.0	0.0	2.0	2.3	2.5	2.9	3.7	4.7	5.4	5.9	6.8
Age:
8–11 years	280	2.3	0.1	1.0	1.1	1.3	1.5	1.9	2.9	3.4	3.8	4.8
12–15 years	438	3.4	0.1	1.4	1.6	1.7	2.0	2.9	4.2	5.1	5.9	7.1
16–19 years	447	3.6	0.1	1.5	1.8	1.9	2.2	3.0	4.6	5.5	6.0	7.5
20–39 years	934	3.9	0.1	1.7	2.1	2.3	2.7	3.6	4.7	5.5	6.2	7.1
40–59 years	1,013	4.0	0.1	2.2	2.5	2.7	3.0	3.7	4.7	5.4	5.8	6.8
60–79 years	975	4.0	0.0	2.2	2.5	2.7	3.0	3.7	4.7	5.4	5.8	6.6
80 years and older	398	3.6	0.1	2.0	2.2	2.4	2.8	3.4	4.2	4.7	5.1	5.7
Non-Hispanic black:
Age 20 years and older, age adjusted	1,245	4.0	0.1	…	…	…	…	…	…	…	…	…
Age 20 years and older, crude	1,245	4.0	0.1	1.5	1.9	2.2	2.6	3.7	4.9	5.8	6.6	7.9
Age:
8–11 years	359	2.3	0.1	0.8	0.9	1.0	1.2	1.9	2.9	3.9	4.7	5.4
12–15 years	566	3.3	0.1	1.2	1.4	1.5	1.8	2.5	4.2	5.5	6.6	8.1
16–19 years	551	3.5	0.1	1.3	1.4	1.5	1.8	2.5	4.2	5.7	7.1	9.3
20–39 years	450	4.1	0.1	1.5	1.7	2.0	2.4	3.6	5.1	6.2	7.2	8.4
40–59 years	435	3.9	0.1	1.7	2.0	2.2	2.7	3.7	4.7	5.4	6.4	7.4
60–79 years	324	4.0	0.1	1.7	2.2	2.5	2.9	3.7	4.8	5.7	6.2	7.2
80 years and older	36	3.8	0.2	†	2.3	2.5	2.7	3.5	4.5	5.1	5.6	†
Female
All race and ethnicity:
Age 20 years and older, age adjusted	6,532	5.6	0.0	…	…	…	…	…	…	…	…	…
Age 20 years and older, crude	6,532	5.6	0.0	2.8	3.2	3.6	4.0	5.1	6.6	7.7	8.5	????
Age:
8–11 years	1,082	2.8	0.1	1.2	1.4	1.5	1.8	2.4	3.5	4.1	4.6	5.4
12–15 years	1,780	4.0	0.1	1.9	2.2	2.5	2.9	3.7	4.8	5.6	6.4	7.4
16–19 years	1,513	4.8	0.1	2.5	2.8	3.1	3.5	4.3	5.5	6.6	7.3	8.9
20–39 years	2,043	5.5	0.1	2.8	3.1	3.4	3.9	5.0	6.5	7.6	8.4	10.0
40–59 years	2,049	5.8	0.1	2.9	3.4	3.7	4.2	5.3	6.9	8.0	8.8	10.1
60–79 years	1,846	5.6	0.0	2.9	3.4	3.7	4.1	5.2	6.6	7.5	8.2	9.5
80 years and older	594	4.8	0.1	2.4	2.8	3.1	3.8	4.6	5.6	6.3	6.8	7.9
Mexican American:
20 years and older, age adjusted	1,438	5.1	0.1	…	…	…	…	…	…	…	…	…
20 years and older, crude	1,438	5.1	0.1	2.8	3.2	3.4	3.9	4.8	6.1	6.9	7.6	8.4
Age:
8–11 years	342	2.7	0.1	1.1	1.4	1.5	1.7	2.4	3.4	4.0	4.4	5.1
12–15 years	632	4.1	0.1	2.1	2.4	2.6	3.0	3.8	4.7	5.5	6.1	7.5
16–19 years	533	4.6	0.1	2.6	2.8	3.1	3.4	4.2	5.4	6.5	7.0	8.0
20–39 years	492	5.1	0.1	2.7	3.1	3.4	3.9	4.7	6.1	6.8	7.5	8.3
40–59 years	442	5.3	0.1	3.0	3.4	3.6	4.1	5.1	6.2	7.2	7.8	8.6
60–79 years	457	4.9	0.1	2.5	2.9	3.2	3.7	4.7	5.9	6.9	7.5	8.2
80 years and older	47	4.0	0.3	†	2.3	2.4	2.9	4.0	4.7	5.2	6.2	†
Non-Hispanic white:
20 years and older, age adjusted	3,250	5.5	0.0	…	…	…	…	…	…	…	…	…
20 years and older, crude	3,250	5.5	0.1	2.9	3.3	3.6	4.1	5.1	6.6	7.6	8.4	9.7
Age:
8–11 years	281	2.7	0.1	1.2	1.4	1.5	1.9	2.4	3.4	4.0	4.5	5.3
12–15 years	448	3.9	0.1	1.9	2.2	2.3	2.8	3.6	4.7	5.4	6.3	7.1
16–19 years	409	4.8	0.1	2.5	2.9	3.1	3.5	4.4	5.4	6.5	7.3	8.8
20–39 years	907	5.4	0.1	2.8	3.1	3.4	3.8	4.9	6.3	7.5	8.2	9.8
40–59 years	964	5.8	0.1	2.9	3.4	3.7	4.2	5.3	6.9	7.9	8.6	10.1
60–79 years	922	5.6	0.1	3.0	3.5	3.8	4.2	5.3	6.5	7.3	8.0	9.3
80 years and older	457	4.8	0.1	2.4	2.9	3.3	3.8	4.6	5.6	6.4	6.8	7.9
Non-Hispanic black:
20 years and older, age adjusted	1,312	6.6	0.1	…	…	…	…	…	…	…	…	…
20 years and older, crude	1,312	6.6	0.1	3.1	3.7	4.1	4.8	6.2	8.0	9.2	10.0	11.5
Age:
8–11 years	373	3.0	0.1	1.1	1.3	1.4	1.7	2.6	3.9	4.5	5.1	6.1
12–15 years	558	4.5	0.1	2.1	2.5	2.7	3.0	4.0	5.5	6.7	7.3	8.8
16–19 years	435	5.4	0.1	2.4	2.8	3.1	3.5	4.5	6.7	8.1	8.8	10.5
20–39 years	455	6.4	0.1	3.1	3.6	3.9	4.6	6.1	7.9	8.8	9.9	11.1
40–59 years	453	7.0	0.1	3.4	4.0	4.4	5.1	6.5	8.1	9.4	10.5	12.6
60–79 years	346	6.6	0.2	2.7	3.4	3.9	4.7	6.2	8.3	9.4	10.0	11.2
80 years and older	58	5.2	0.2	2.8	3.1	3.5	3.9	5.0	6.0	6.8	7.2	8.0

0.0 Quantity more than zero but less than 0.05.

… Category not applicable.

^†Standard error not calculated by SUDAAN.