Table 3.
Comparison of characteristics according to salt preference in outpatients from primary care centers in Japan
| Salt preference group (n=594) |
Nonsalt Preference group (n=481) |
P-value | |
|---|---|---|---|
| Agea (years) | 65.9±15.2 | 69.7±13.7 | <0.001b |
| Sex | <0.001c | ||
| Men | 298 (50.2) | 138 (28.7) | |
| Women | 296 (49.8) | 343 (71.3) | |
| Current lifestyle behaviors | |||
| Smoking | 86 (14.5) | 29 (6.0) | <0.001c |
| Drinking | 278 (46.8) | 154 (32.0) | <0.001c |
| Antihypertensive medication | 368 (62.0) | 277 (57.6) | 0.146c |
| Body mass indexa (kg/m2) | 24.2±3.5 | 23.5±3.7 | 0.002c |
| Office blood pressure (mmHg) | |||
| Systolic blood pressurea | 139.1±19.1 | 138.9±21.5 | 0.843b |
| Diastolic blood pressurea | 80.4±12.3 | 77.4±11.3 | <0.001b |
| Daily salt intakea (g) | 12.3±4.0 | 11.4±3.7 | <0.001b |
| <10 | 169 (28.5) | 181 (37.6) | 0.001c |
| <6 | 28 (4.7) | 26 (5.4) | 0.606c |
Notes: Values are reported as n (%) or
a
mean ± standard deviation. Analyzed using
b
independent Student’s t-tests or
c
chi-square tests.