Table 1.

Usual protein intake among Korean elderly and the percentage of the population below the estimated average requirement^*

Protein measure		Percentile						% <EAR
		Mean±SE	5th	25th	50th	75th	95th
Gram per day								-
Men	51–70 yr	82.66±1.25	34.43	53.98	74.63	100.16	153.54
	≥71 yr	57.76±1.39	24.40	39.63	52.78	70.95	114.18
Women	51–70 yr	56.28±0.79	23.25	38.11	51.70	69.00	107.80
	≥71 yr	41.53±0.88	16.87	27.82	38.83	53.75	82.51
% Energy								-
Men	51–70 yr	13.91±0.12	8.73	11.42	13.57	16.01	20.92
	≥71 yr	12.66±0.17	8.16	10.37	12.30	14.88	19.43
Women	51–70 yr	13.42±0.11	8.60	10.89	13.05	15.29	20.08
	≥71 yr	12.04±0.13	7.93	9.72	11.56	13.81	18.58
Gram per kg body weight
Men	51–70 yr	1.24±0.02	0.52	0.83	1.12	1.52	2.32	22.7
	≥71 yr	0.96±0.03	0.41	0.64	0.87	1.18	1.89	44.2
Women	51–70 yr	0.98±0.01	0.41	0.64	0.90	1.21	1.94	42.4
	≥71 yr	0.79±0.02	0.31	0.54	0.74	1.01	1.59	60.5

^*Values were obtained from men aged 51–70 yr, n=1,735; men aged ≥71 yr, n=700; women aged 51–70 yr, n=2,305; women aged ≥71 yr, n=957.

SE, standard error; EAR, estimated average requirement.