A Randomized, Double-Blind, Placebo-Controlled, Multicentre Trial of the Effects of a Shrimp Protein Hydrolysate on Blood Pressure
Table 1
Demographic and lifestyle characteristics of the placebo and RPC groups in the ITT population (n=144).
Factor
Placebo (n = 72)
RPC (n=72)
p-
Age (years)
Mean ± SD
54.9 ± 10.8
55.1 ± 9.8
Median (Min – Max)
55 (33 – 72)
56.5 (32 – 73)
Location [n ()]
North America
24 (33%)
23 (32%)
0.954
Czech Republic
31 (43%)
30 (42%)
Germany
17 (24%)
19 (26%)
Gender [n ()]
Female
28 (39%)
34 (47%)
0.400
Male
44 (61%)
38 (53%)
Alcohol Use [n ()]
None
14 (19%)
13 (18%)
0.618
Occasionally
42 (58%)
40 (56%)
Weekly
13 (18%)
18 (25%)
Daily
3 (4%)
1 (1%)
Smoking Status [n ()]
Current Smoker
1 (1%)
0 (0%)
1.000
Ex-Smoker
12 (17%)
13 (18%)
Non-Smoker
59 (82%)
59 (82%)
Race [n ()]
Black or African American
1 (1%)
3 (4%)
0.232
Central American
0 (0%)
2 (3%)
Eastern European White
31 (43%)
32 (44%)
Middle Eastern
0 (0%)
1 (1%)
North American Indian/Aboriginal
0 (0%)
1 (1%)
South American
0 (0%)
1 (1%)
South Asian
5 (7%)
1 (1%)
Western European White
35 (49%)
31 (43%)
Ethnicity [n ()]
Hispanic or Latino
0 (0%)
4 (6%)
0.120
Not Hispanic or Latino
72 (100%)
68 (94%)
Status [n ()]
Completed
69 (96%)
69 (96%)
1.000
Dropout/Withdrew
3 (4%)
3 (4%)
ITT: intention-to-treat; Max: maximum; Min: minimum; n: number; RPC: Refined Peptide Concentrate; SD: standard deviation -group comparisons were made using Fisher’s Exact Test, unless otherwise stated. p≤0.05 was considered statistically significant. -group comparison was made using the Independent Student’s t-test.