Table 3.
Baseline characteristics of 15,508 individuals in the CHNS Study.
| Dietary BCAAs Centile (g/day) | ||||||||
|---|---|---|---|---|---|---|---|---|
| 1st-5th | 6th-20th | 21st-40th | 41st-60th | 61st-80th | 81st-95th | 96th-100th | All | |
| No. of individuals | 778 (5.0) | 2,330 (15.0) | 3,091 (19.9) | 3,113 (20.1) | 3,096 (20.0) | 2,324 (15.0) | 776 (5.0) | 15,508 |
| Women | 547 (70.3) | 1,587 (68.1) | 1,949 (63.1) | 1,624 (52.2) | 1,346 (43.5) | 836 (36.0) | 268 (34.5) | 8,157 (52.6) |
| Age | 50.6 (17.3) | 48.3 (16.4) | 44 (15) | 42.6 (14) | 41.7 (13.6) | 41 (13.2) | 41.1 (14) | 43.6 (14.9) |
| Smoker | 174 (22.4) | 543 (23.3) | 803 (26.0) | 960 (30.8) | 1,115 (36.0) | 942 (40.5) | 327 (42.1) | 4,864 (31.4) |
| Drinker | 177 (22.8) | 557 (23.9) | 847 (27.4) | 1,072 (34.4) | 1,299 (42.0) | 1,071 (46.1) | 397 (51.2) | 5,420 (34.9) |
| Height | 157.5 (8.3) | 158.3 (8.4) | 159.6 (8.2) | 161.1 (8.2) | 162.4 (8) | 163.9 (8.2) | 165.7 (7.8) | 161.1 (8.5) |
| Weight | 57.3 (11.5) | 57.3 (11.1) | 58.4 (10.7) | 59.3 (10.7) | 60.5 (10.3) | 62.6 (11.2) | 64.7 (11.6) | 59.7 (11.1) |
| BMI | 23 (3.9) | 22.8 (3.5) | 22.9 (3.4) | 22.8 (3.2) | 22.9 (3.2) | 23.3 (3.5) | 23.5 (3.5) | 22.9 (3.4) |
| Systolic blood pressure (mm Hg) | 125.4 (20.3) | 121.9 (19.4) | 119.4 (18.1) | 118.9 (16.9) | 118.4 (15.4) | 119.4 (15.7) | 120.9 (15.3) | 119.9 (17.3) |
| Diastolic blood pressure (mm Hg) | 79.1 (11.6) | 77.8 (11) | 77.4 (11.1) | 77.3 (10.7) | 77.3 (10) | 77.8 (10.3) | 78.6 (10.9) | 77.6 (10.7) |
| Triceps skin fold (mm) | 16.5 (8.1) | 15.5 (8) | 15 (8.1) | 14.5 (7.9) | 14.5 (8) | 15.3 (8.4) | 16.6 (8.6) | 15.1 (8.1) |
| Hip Circumference (cm) | 92.7 (9) | 92.5 (8.5) | 92.8 (8.4) | 92.7 (8.3) | 93.1 (8) | 93.9 (8.2) | 94.8 (9.5) | 93 (8.4) |
| Waist Circumference (cm) | 80.6 (10.6) | 79.5 (10.2) | 79.3 (10.6) | 79.3 (9.9) | 79.6 (9.9) | 81 (10.4) | 82.6 (11) | 79.9 (10.3) |
| Upper Arm Circumference (cm) | 26.3 (4.5) | 26.0 (4.3) | 26.0 (3.9) | 26.2 (4) | 26.4 (4) | 26.9 (4) | 27.9 (5.9) | 26.4 (4.2) |
| BCAAs intake(g/day) | 5.14 (1.18) | 7.81 (0.66) | 9.75 (0.52) | 11.49 (0.49) | 13.37 (0.61) | 16.08 (1.08) | 21.44 (2.72) | 11.83 (3.77) |
Values are means (standard deviation) or number (%). BCAAs, Branched-Chain Amino Acids.