Table 1.

Grip strength stratified by age groups and sex in the NAKO sample

Age	n	Grip strength (kg)
		Percentiles
		5th	10th	25th	50th	75th	90th	95th	Mean (SD)
Men
19–24	3,140	32.6	35.8	41.5	47.3	53.6	59.5	63.8	47.6 (9.4)
25–29	6,615	34.5	38.0	43.2	49.0	55.5	61.6	65.2	49.4 (9.4)
30–34	5,507	35.8	39.4	45.0	50.8	56.8	62.5	65.9	50.9 (9.3)
35–39	5,041	37.0	40.3	45.7	51.7	57.7	63.1	66.7	51.7 (9.1)
40–44	10,670	36.9	40.4	45.7	51.3	57.3	62.9	66.3	51.5 (9.0)
45–49	15,338	36.4	39.8	45.2	50.8	56.4	61.5	64.9	50.7 (8.7)
50–54	14,356	35.3	38.7	44.0	49.3	54.9	60.1	63.2	49.4 (8.6)
55–59	12,167	33.5	36.9	42.2	47.6	52.8	57.8	60.7	47.4 (8.4)
60–64	12,598	32.2	35.2	40.0	45.3	50.5	55.3	58.3	45.2 (8.1)
65–69	12,106	30.8	33.6	38.2	43.3	48.1	52.8	55.8	43.2 (7.7)
70–75	2,211	29.2	31.9	36.3	41.3	46.3	50.7	53.6	41.3 (7.4)
All	99,749	33.6	36.9	42.4	48.1	54.1	59.8	63.3	48.3 (9.1)
Women
19–24	3,476	21.2	23.4	26.8	30.4	34.1	37.6	39.6	30.5 (5.6)
25–29	6,512	22.1	24.2	27.4	31.0	34.8	38.4	40.6	31.2 (5.7)
30–34	5,572	22.5	24.7	28.1	31.9	35.6	39.0	41.2	31.9 (5.7)
35–39	5,200	22.9	25.1	28.6	32.5	36.1	39.5	41.5	32.3 (5.7)
40–44	10,435	23.1	25.3	28.6	32.3	36.1	39.6	41.7	32.4 (5.7)
45–49	15,706	22.8	24.9	28.4	31.9	35.5	39.0	41.2	31.9 (5.7)
50–54	14,746	21.3	23.4	27.1	30.6	34.3	37.5	39.7	30.6 (5.7)
55–59	12,401	20.6	22.7	25.9	29.3	32.6	35.8	37.6	29.2 (5.3)
60–64	12,964	19.9	21.8	24.8	28.0	31.3	34.3	36.3	28.0 (5.1)
65–69	11,630	18.8	20.7	23.7	26.8	30.0	32.9	34.8	26.8 (4.9)
70–74	1,998	18.2	19.9	23.0	25.9	28.8	31.4	33.1	25.8 (4.6)
All	100,640	20.9	23.0	26.3	30.1	33.9	37.5	39.7	30.1 (5.8)

Bold font indicates the highest mean of all age groups. n: number of participants, SD: standard deviation.