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. 2023 Nov 2;10:1291431. doi: 10.3389/fnut.2023.1291431

Table 3.

Dietary nitrate knowledge.

Users % Non-users % Total %
Beetroot juice/nitrate is a group ____ Supplement
x2 = 17.316; p = 0.002
A (correct answer) 41 3.5% 212 18.0% 253 21.5%
B 49 4.2% 386 32.7% 435 36.9%
C 7 0.6% 117 9.9% 124 10.5%
D 1 0.1% 3 0.3% 4 0.3%
Do not know 26 2.2% 337 28.6% 363 30.8%
Prior to this survey did you know beetroot juice had a particularly high nitrate content?
x2 = 40.068; p = 0.000
Yes (correct answer) 75 6.4% 336 28.5% 411 34.9%
No 49 4.2% 719 61.0% 768 65.1%
What can reduce the effectiveness of oral consumption of dietary nitrate supplements?
x2 = 46.055; p = 0.000
Caffeine 31 2.6% 188 15.9% 219 18.6%
Mouthwash (correct answer) 22 1.9% 52 4.4% 74 6.3%
Fruit 8 0.7% 28 2.4% 36 3.1%
Do not know 63 5.3% 787 66.8% 850 72.1%
The level of nitrate in a Beet-It sport shot can be achieved by consuming a small amount of nitrate-rich vegetables (spinach, rocket, lettuce, and beetroot)?
x2 = 12.638; p = 0.002
Yes (correct answer) 36 3.1% 252 21.4% 288 24.4%
No 29 2.5% 143 12.1% 172 14.6%
Do not know 59 5.0% 660 56.0% 719 61.0%
According to scientific research, commercially available beetroot juice has been shown to be most effective ___ hours prior to exercise for immediate results?
x2 = 58.169; p = 0.000
2–3 h (correct answer) 38 3.2% 131 11.1% 169 14.3%
0.5–1 h 25 2.1% 141 12.0% 166 14.1%
24 h 9 0.8% 19 1.6% 28 2.4%
Do not know 52 4.4% 764 64.8% 816 69.2%
Dietary nitrate supplements are most likely to improve your
x2 = 44.895; p = 0.000
100 m sprint 4 0.3% 35 3.0% 39 3.3%
1-rep max 2 0.2% 14 1.2% 16 1.4%
TTE (correct answer) 42 3.6% 160 13.6% 202 17.1%
All of the above 37 3.1% 206 17.5% 243 20.6%
Do not know 39 3.3% 640 54.3% 679 57.6%