Table 2.

Mean intake of types of protein in US adults aged ≥20 years, stratified by race/ethnicity, National Health and Nutrition Examination Survey 1999–2010, USA

	Non-Hispanic White				Non-Hispanic Black				Mexican American				Other race individuals				P-interaction
	1999–2000 (n 1898)		2009–2010 (n 2786)		1999–2000 (n 796)		2009–2010 (n 1025)		1999–2000 (n 1425)		2009–2010 (n 1647)		1999–2000 (n 133)		2009–2010 (n 304)
	Mean	se	Mean	se	Mean	se	Mean	se	Mean	se	Mean	se	Mean	se	Mean	se
Mean intake (g/kg) and se †
Beef	0·68	0·04	0·60	0·03	0·72	0·06	0·60	0·04	0·71	0·06	0·61*	0·03	0·74	0·12	0·63*	0·10	0·11
Pork	0·38	0·02	0·36	0·02	0·37	0·03	0·35	0·04	0·45	0·05	0·39	0·03	0·26	0·09	0·43	0·06	0·12
Lamb or goat	0·01	0·004	0·02	0·004	0·01	0·01	0·02	0·01	0·01	0·003	0·01	0·01	0·03	0·03	0·01	0·01	0·50
Chicken	0·43	0·02	0·45**	0·02	0·64	0·06	0·70*	0·03	0·54	0·03	0·69***	0·04	0·50	0·11	0·65	0·13	0·57
Turkey	0·10	0·01	0·13**	0·01	0·14	0·02	0·19	0·03	0·08	0·01	0·11*	0·01	0·10	0·04	0·11	0·03	0·29
All poultry	0·53	0·02	0·58***	0·02	0·77	0·07	0·88*	0·04	0·63	0·03	0·80***	0·05	0·64	0·12	0·76	0·13	0·77
Fish and shellfish	0·19	0·02	0·27	0·03	0·33	0·05	0·24*	0·02	0·16	0·02	0·24**	0·02	0·44	0·15	0·42	0·05	0·06
Milk and milk products	3·91	0·19	3·53*	0·10	2·11	0·13	1·86	0·12	3·37	0·26	2·98	0·15	2·22	0·36	2·88	0·24	0·86
Eggs	0·32	0·01	0·30	0·01	0·34	0·03	0·36	0·02	0·35	0·03	0·40	0·03	0·31	0·06	0·31	0·03	0·88
Legumes	0·21	0·02	0·25***	0·02	0·25	0·04	0·18	0·02	0·19	0·05	0·17	0·02	0·27	0·09	0·64*	0·17	0·08
Nuts and seeds	0·20	0·02	0·25	0·01	0·16	0·02	0·18	0·02	0·32	0·04	0·28	0·02	0·14	0·03	0·28	0·03	0·31

Statistical significance of trend in types of protein within a subgroup: *P <0·05, **P <0·01, ***P <0·001.

^†g/kg indicates grams of food per kilogram of body weight.