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. Author manuscript; available in PMC: 2019 Jul 26.
Published in final edited form as: J Hum Hypertens. 2003 Sep;17(9):631–639. doi: 10.1038/sj.jhh.1001606

Table 2.

Height, weight, and body mass index (BMI), systolic and diastolic blood pressures, treatment rate of hypertension, smoking and drinking rates, and sodium and potassium excretion in timed 24-h urine, in Japan and Hawaii, INTERLIPID, 1997–1998, by gender and age

40–49 years
50–59 years
40–59 years
4 samples in Japan (288) Mean (s.d.) Hawaii (67) Mean (s.d.) 4 samples in Japan (286) Mean (s.d.) Hawaii (69) Mean (s.d.) 4 samples in Japan (574) Mean (s.d.) Hawaii (136) Mean (s.d.)

Men
 Body weight (kg) 66.9 (9.0) 78.2 (14.8) P<0.001 66.8 (8.6) 79.2 (15.1) P<0.001 66.9 (8.8) 78.7 (14.9) P<0.001
 Height (cm) 168.8 (5.8) 167.3 (l1.0) P=0.059 167.1 (5.8) 167.0 (5.9) P=0.907 167.9 (5.8) 167.1 (5.7) P=0.156
 Body mass index (kg/m2) 23.5 (2.7) 27.9 (4.9) P<0.001 23.9 (2.7) 28.3 (4.6) P<0.001 23.7 (2.7) 28.1 (4.7) P<0.001
 Systolic blood pressure (mmHg) 119.5 (l3.0) 117.2 (l1.0) P=0.177 121.3 (13.1) 118.7 (12.1) P=0.134 120.4 (12.9) 117.9 (11.6) P=0.045
 Diastolic blood pressure (mmHg) 76.6 (10.3) 74.2 (8.7) P=0.076 77.0 (9.7) 73.6 (8.2) P=0.007 76.8 (10.0) 73.9 (8.5) P=0.002
 Treatment rate of hypertension (%) 2.8 17.9 P<0.01 9.1 36.2 P<0.01 5.9 27.2 P<0.01
 Smoking rate (%) 56.6 16.4 P<0.01 46.9 10.1 P<0.01 51.7 13.2 P<0.01
 Drinking rate (%) 97.2 65.7 P<0.01 96.5 79.7 P<0.01 96.9 72.8 P<0.01
 Sodium (mmol/day) in 24-h urine 204.7 (53.9) 174.5 (61.4) P<0.001 216.5 (58.6) 177.7 (55.5) P<0.001 210.5 (56.6) 176.1 (58.5) P<0.001
 Potassium (mmol/day) in 24-h urine 48.4 (12.6) 53.1 (17.1) P=0.012 50.1 (13.9) 52.9 (14.0) P=0.128 49.2 (13.3) 53.0 (15.6) P=0.004
 Sodium/potassium ratio in 24-h urine 4.4 (1.2) 3.5 (1.3) P<0.001 4.5 (1.3) 3.6 (1.4) P<0.001 4.5 (1.3) 3.6 (1.3) P<0.001
40–49 years
50–59 years
40–59 years
4 samples in Japan (291) Mean (s.d.) Hawaii (66) Mean (s.d.) 4 samples in Japan (280) Mean (s.d.) Hawaii (65) Mean (s.d.) 4 samples in Japan (571) Mean (s.d.) Hawaii (131) Mean (s.d.)

Women
 Body weight (kg) 56.2 (8.4) 59.3 (10.1) P=0.022 54.8 (7.6) 62.7 (13.9) P<0.001 55.5 (8.0) 61.0 (12.2) P<0.001
 Height (cm) 156.2 (5.6) 152.8 (5.0) P<0.001 153.3 (5.3) 154.2 (4.5) P=0.241 154.8 (5.6) 153.5 (4.8) P=0.007
 Body mass index (kg/m2) 23.0 (3.1) 25.5 (4.8) P<0.001 23.3 (3.0) 26.4 (5.9) P<0.001 23.2 (3.1) 25.9 (5.4) P<0.001
 Systolic blood pressure (mmHg) 112.0 (12.8) 113.1 (12.4) P=0.449 116.3 (14.7) 118.2 (15.4) P=0.358 114.1 (13.9) 115.6 (14.1) P=0.252
 Diastolic blood pressure (mmHg) 69.5 (9.5) 69.7 (8.1) P=0.899 71.5 (9.7) 70.3 (8.9) P=0.384 70.5 (9.6) 70.0 (8.5) P=0.602
 Treatment rate of hypertension (%) 2.4 15.2 P<0.01 9.6 33.8 P<0.01 6.5 24.4 P<0.01
 Smoking rate (%) 11.7 9.1 P<0.01 5.4 0.0 P<0.01 8.6 4.6 P<0.01
 Drinking rate (%) 82.1 40.9 P<0.01 82.5 41.5 P<0.01 82.3 41.2 P<0.01
 Sodium (mmol/day) in 24-h urine 185.5 (54.9) 128.6 (35.6) P<0.001 186.6 (51.0) 134.0 (48.6) P<0.001 186.0 (53.1) 131.3 (42.7) P<0.001
 Potassium (mmol/day) in 24-h urine 47.2 (13.1) 39.8 (9.8) P<0.001 49.9 (14.5) 44.1 (15.0) P=0.004 48.5 (13.9) 41.9 (12.9) P<0.001
 Sodium/potassium ratio in 24-h urine 4.1 (1.18) 3.4 (1.1) P<0.001 4.0 (1.3) 3.2 (1.0) P<0.001 4.1 (1.2) 3.3 (1.1) P<0.001