Table 1 Subject characteristics by blood pressure status 1
From: Association of dietary pattern and body weight with blood pressure in Jiangsu Province, China
| Â | Blood pressure2 | P | |
|---|---|---|---|
| Â | Normal | High | |
N | 1845 | 673 | Â |
gender | Â | Â | Â |
Male | 831 (45.0) | 315 (46.8) | 0.43 |
Female | 1014 (55.0) | 358 (53.2) | Â |
Age | Â | Â | Â |
20-29 | 270 (14.6) | 10 (1.5) | < 0.001 |
30-39 | 459 (24.9) | 51 (7.6) | Â |
40-49 | 423 (22.9) | 124 (18.4) | Â |
50-59 | 292 (15.8) | 191 (28.4) | Â |
60+ | 401 (21.7) | 297 (44.1) | Â |
SES | Â | Â | Â |
Low | 570 (31.2) | 216 (32.3) | 0.31 |
Middle | 583 (31.9) | 225 (33.6) | Â |
High | 672 (36.8) | 228 (34.1) | Â |
Active commuting | Â | Â | Â |
None | 628 (34.0) | 325 (48.3) | < 0.001 |
1-30Â min/d | 966 (52.4) | 268 (39.8) | Â |
>30Â min/d | 251 (13.6) | 80 (11.9) | Â |
Leisure time activity | Â | Â | Â |
None | 1704 (92.4) | 577 (85.7) | < 0.001 |
1-30Â min/d | 70 (3.8) | 43 (6.4) | Â |
>30Â min/d | 71 (3.8) | 53 (7.9) | Â |
Alcohol drinking | Â | Â | Â |
Never | 1590 (86.2) | 552 (82.0) | 0.005 |
Low | 142 (7.7) | 61 (9.1) | Â |
High | 113 (6.1) | 60 (8.9) | Â |
Salt intake | Â | Â | Â |
< 6 | 474 (25.7) | 154 (22.9) | < 0.003 |
6-9 | 428 (23.2) | 140 (20.8) | Â |
9-14 | 523 (28.3) | 178 (26.4) | Â |
≥14 | 420 (22.8) | 201 (29.9) |  |
Potassium intake | Â | Â | Â |
< 1.28 | 478 (25.9) | 162 (24.1) | 0.57 |
1.28-1.56 | 463 (25.1) | 163 (24.2) | Â |
1.56-1.94 | 437 (23.7) | 189 (28.1) | Â |
≥1.94 | 467 (25.3) | 159 (23.6) |  |
BMI | Â | Â | Â |
<18.5 | 110 (6.0) | 18 (2.7) | <0.001 |
18.5-24 | 1134 (61.5) | 266 (39.5) | Â |
24-28 | 485 (26.3) | 238 (35.4) | Â |
≥28 | 116 (6.3) | 151 (22.4) |  |