Association between Taste Sensitivity and Self-Reported and Objective Measures of Salt Intake among Hypertensive and Normotensive Individuals
Table 2
Salt intake and taste threshold.
Total
Normotensive subjects
Hypertensive subjects
value¶
Mean (SD)*
Median (IQR)†
Mean (SD)
Median (IQR)
Mean (SD)
Median (IQR)
Detection threshold (mol/L)
0.011 (0.016)
0.008 (0.008)
0.008 (0.009)
0.004 (0.004)
0.015 (0.002)
0.008 (0.009)
0.001
Recognition threshold (mol/L)
0.020 (0.031)
0.008 (0.012)
0.013 (0.017)
0.008 (0.008)
0.027 (0.016)
0.016 (0.240)
<0.001
Self-report methods
FFQ (g salt/day)‡
1.8 (1.8)
1.3 (1.6)
2.2 (1.9)
1.6 (2.1)
1.5 (1.6)
0.9 (1.4)
0.010
Discretionary salt (g salt/day)
6.3 (5.4)
5.4 (5.4)
4.3 (2.8)
4.0 (4.8)
8.2 (6.4)
6.3 (5.9)
<0.001
24 h recall (g salt/day)
2.9 (1.6)
2.7 (2.2)
3.4 (1.7)
3.1 (3.6)
2.4 (1.4)
2.1 (1.7)
0.002
Total intake (g salt/day)**
10.8 (5.0)
9.7 (4.7)
9.6 (3.1)
9.5 (3.9)
12.1 (6.2)
10.5 (4.9)
0.046
24-hour urinary sodium excretion§
mEq/24 h
177.1 (65.8)
170.5 (71.5)
188.5 (73.6)
175.1 (73.4)
165.7 (55.4)
169.0 (63.0)
0.175
Converted to g salt/day
10.3 (3.8)
9.9 (4.2)
9.8 (4.5)
9.8 (3.6)
10.9 (4.3)
10.1 (4.3)
0.175
*SD: standard deviation; †IQR: interquartile range; ¶Mann-Whitney test; §Missing: 3 normotensive and 3 hypertensive subjects; ‡FFQ: food frequency questionnaire. **Total intake: sum of FFQ, discretionary salt, and 24-h recall.