Table 23.

Left leg percentage fat 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				Percent
All race and ethnicity:
Age 20 years and older, age adjusted	6,559	27.5	0.1	…	…	…	…	…	…	…	…	…
Age 20 years and older, crude	6,559	27.4	0.1	17.7	19.8	21.3	23.3	27.2	31.2	33.5	35.1	37.8
Age:
8–11 years	1,067	33.3	0.4	21.0	23.1	24.8	27.3	32.8	39.2	42.5	44.4	47.3
12–15 years	1,726	29.2	0.3	16.4	17.8	19.7	22.3	28.0	36.0	39.4	41.8	45.4
16–19 years	1,751	25.2	0.3	14.4	15.7	17.1	19.2	23.9	30.7	33.8	36.0	39.6
20–39 years	2,183	26.5	0.1	15.9	18.4	19.8	21.9	26.3	30.4	33.4	35.0	38.1
40–59 years	2,024	27.4	0.2	18.7	20.5	21.9	23.6	27.0	30.8	32.5	34.0	36.6
60–79 years	1,851	29.2	0.2	20.2	22.3	23.4	25.2	28.8	32.8	35.1	36.6	39.2
80 years and older	501	30.2	0.3	21.7	23.4	24.5	26.7	29.9	33.8	35.7	36.9	39.2
Mexican American:
Age 20 years and older, age adjusted	1,488	27.3	0.2	…	…	…	…	…	…	…	…	…
Age 20 years and older, crude	1,488	27.1	0.2	18.4	20.6	21.6	23.3	27.0	30.2	32.6	34.1	36.5
Age:
8–11 years	348	35.9	0.4	22.7	25.2	26.9	29.9	36.0	41.6	44.2	45.9	49.0
12–15 years	599	30.5	0.5	17.6	19.5	20.8	23.7	29.8	36.9	39.8	41.8	44.3
16–19 years	611	27.2	0.3	16.0	17.9	19.0	21.8	26.3	31.9	35.2	37.5	41.8
20–39 years	570	27.1	0.3	18.3	20.4	21.5	23.2	27.0	30.2	32.8	34.0	36.6
40–59 years	427	26.7	0.3	18.5	20.3	21.4	22.9	26.4	29.9	31.9	33.0	36.4
60–79 years	443	28.3	0.3	19.8	21.5	22.6	24.7	28.1	31.7	33.6	34.9	36.9
80 years and older	48	29.2	0.9	22.0	23.4	24.0	26.3	29.4	31.2	33.6	34.8	†
Non-Hispanic white:
Age 20 years and older, age adjusted	3,320	27.8	0.1	…	…	…	…	…	…	…	…	…
Age 20 years and older, crude	3,320	27.8	0.1	18.5	20.3	21.8	23.7	27.6	31.5	33.7	35.3	38.0
Age:
8–11 years	280	33.7	0.6	22.7	24.7	25.9	27.8	32.9	38.9	42.4	43.9	46.6
12–15 years	438	29.7	0.5	16.9	18.6	20.4	22.9	28.3	36.3	39.5	42.1	45.6
16–19 years	447	25.7	0.4	14.9	16.3	17.7	20.2	24.2	31.1	33.9	35.8	39.3
20–39 years	934	26.7	0.2	16.3	18.5	20.1	22.0	26.4	30.7	33.4	35.0	38.2
40–59 years	1,013	27.8	0.2	19.4	21.1	22.4	24.1	27.4	31.1	32.7	34.3	36.9
60–79 years	975	29.5	0.2	20.8	22.7	23.7	25.5	29.1	33.1	35.4	37.0	39.4
80 years and older	398	30.2	0.3	21.5	23.3	24.6	26.6	30.0	33.8	35.8	37.0	39.2
Non-Hispanic black:
Age 20 years and older, age adjusted	1,245	26.2	0.2	…	…	…	…	…	…	…	…	…
Age 20 years and older, crude	1,245	25.8	0.2	14.1	16.6	18.3	21.0	25.8	30.3	33.1	34.7	37.2
Age:
8–11 years	359	29.6	0.6	16.3	18.6	19.9	22.2	28.0	35.8	40.0	42.9	45.8
12–15 years	566	26.3	0.3	14.2	15.4	16.5	18.5	24.0	32.8	37.5	40.7	44.6
16–19 years	551	22.3	0.4	12.5	13.4	14.3	15.4	19.7	27.1	32.9	36.5	39.5
20–39 years	450	25.1	0.3	13.0	14.7	16.5	19.4	24.5	30.0	33.6	35.2	38.1
40–59 years	435	25.8	0.3	16.0	17.8	19.4	21.7	25.6	29.8	32.1	33.4	35.6
60–79 years	324	28.1	0.4	18.1	20.0	21.7	24.2	27.9	32.2	34.3	35.8	38.2
80 years and older	36	30.0	1.0	†	22.4	23.4	26.2	29.9	34.0	34.6	35.7	†
Female
All race and ethnicity:
Age 20 years and older, age adjusted	6,532	43.2	0.1	…	…	…	…	…	…	…	…	…
Age 20 years and older, crude	6,532	43.2	0.1	31.9	34.6	36.3	39.0	43.5	47.9	50.0	51.3	53.4
Age:
8–11 years	1,082	37.6	0.4	26.3	28.3	29.8	32.6	37.9	42.8	44.8	46.2	48.2
12–15 years	1,780	37.6	0.3	26.3	28.5	30.5	33.3	37.7	42.0	44.3	45.9	48.8
16–19 years	1,513	39.9	0.3	29.5	31.6	33.5	35.7	40.1	44.0	46.3	47.9	50.1
20–39 years	2,043	41.8	0.2	30.9	33.2	34.9	37.4	42.1	46.4	48.6	49.9	51.9
40–59 years	2,049	43.6	0.2	32.1	34.9	37.1	39.5	44.0	48.1	50.2	51.5	53.3
60–79 years	1,846	44.9	0.1	34.0	36.8	38.5	40.8	45.2	49.4	51.5	52.7	54.5
80 years and older	594	44.3	0.3	31.9	34.7	37.4	39.9	45.1	48.9	50.9	52.3	54.3
Mexican American:
20 years and older, age adjusted	1,438	43.7	0.2	…	…	…	…	…	…	…	…	…
20 years and older, crude	1,438	43.4	0.3	32.9	35.5	37.1	39.8	43.7	47.4	49.3	50.8	52.8
Age:
8–11 years	342	38.9	0.4	27.6	30.0	32.1	34.2	38.7	43.8	46.3	47.6	49.9
12–15 years	632	39.3	0.2	29.0	31.2	33.3	35.5	39.3	43.2	45.1	46.3	48.8
16–19 years	533	41.2	0.3	32.3	34.1	35.4	37.5	41.0	45.0	47.2	48.5	50.1
20–39 years	492	42.7	0.4	32.0	34.9	36.4	39.0	42.9	46.7	48.5	49.6	51.5
40–59 years	442	44.2	0.3	33.6	36.5	38.5	40.8	44.5	47.9	49.8	51.1	53.3
60–79 years	457	44.8	0.5	33.7	35.7	37.9	41.0	44.8	49.6	51.8	52.9	54.7
80 years and older	47	44.4	1.3	29.7	33.5	35.9	40.4	44.8	49.1	52.1	53.1	†
Non-Hispanic white:
20 years and older, age adjusted	3,250	43.2	0.1	…	…	…	…	…	…	…	…	…
20 years and older, crude	3,250	43.4	0.2	32.1	34.7	36.4	39.1	43.7	48.1	50.2	51.6	53.5
Age:
8–11 years	281	37.8	0.5	27.1	29.1	30.5	33.0	38.0	42.7	44.7	46.1	48.1
12–15 years	448	37.5	0.4	26.2	28.3	29.8	33.3	37.4	42.0	44.4	45.9	49.0
16–19 years	409	40.0	0.4	29.6	31.6	33.5	35.8	40.3	43.9	46.3	48.1	50.5
20–39 years	907	41.7	0.3	30.7	33.0	34.7	37.1	41.6	46.4	48.6	50.0	52.2
40–59 years	964	43.6	0.3	31.9	34.9	36.9	39.4	44.0	48.4	50.3	51.7	53.4
60–79 years	922	45.3	0.2	35.1	37.4	39.1	41.3	45.5	49.5	51.6	52.8	54.6
80 years and older	457	44.7	0.3	32.2	35.2	37.9	40.4	45.4	49.3	51.0	52.4	54.4
Non-Hispanic black:
20 years and older, age adjusted	1,312	43.4	0.2	…	…	…	…	…	…	…	…	…
20 years and older, crude	1,312	43.3	0.2	31.6	34.2	36.4	38.9	43.9	48.1	50.2	51.5	53.3
Age:
8–11 years	373	35.7	0.5	22.9	25.6	27.1	29.9	35.9	42.0	44.1	45.5	47.5
12–15 years	558	36.3	0.3	24.7	27.6	28.9	31.6	36.2	41.3	43.6	45.3	48.2
16–19 years	435	38.7	0.4	26.9	29.6	31.2	34.1	38.5	43.4	45.9	47.6	49.7
20–39 years	455	41.9	0.4	30.9	33.2	34.8	37.7	42.2	46.5	48.7	49.9	51.4
40–59 years	453	44.4	0.3	32.6	35.8	38.1	40.1	44.8	48.8	51.1	52.3	53.8
60–79 years	346	44.4	0.5	30.2	34.4	36.5	39.3	45.4	49.6	51.5	53.1	54.5
80 years and older	58	43.7	0.9	32.5	35.1	36.7	39.4	44.0	47.7	49.8	50.6	53.0

… Category not applicable.

^†Standard error not calculated by SUDAAN.