Systolic blood pressure changes (mmHg) | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
 | High-response group | Low-response group | ||||||||||
 | Mean blood pressure | SEM | Mean blood pressure | SEM | ||||||||
 | Caffeine | L-theanine | Placebo | Caffeine | L-theanine | Placebo | Caffeine | L-theanine | Placebo | Caffeine | L-theanine | Placebo |
Base | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
AMT1 | 4.83 | 7.17 | 12.17 | 5.75 | 4.85 | 3.58 | 10.32 | 5.78 | 6.82 | 3.02 | 7.25 | 3.12 |
AMT2 | 3.05 | 5.55 | 13.82 | 3.48 | 6.04 | 3.48 | 5.62 | 2.07 | 1.36 | 3.84 | 5.23 | 2.06 |
AMT3 | 5.10 | −0.36 | 17.68 | 2.95 | 8.50 | 3.24 | 5.78 | 4.31 | 3.98 | 2.89 | 5.80 | 2.01 |
AMT4 | 7.95 | −0.49 | 21.35 | 3.24 | 5.45 | 3.36 | 5.98 | 9.05 | 3.64 | 5.19 | 4.79 | 2.39 |
AMT5 | 8.08 | 2.88 | 21.82 | 3.71 | 2.66 | 5.46 | 6.92 | 9.28 | 2.75 | 4.25 | 5.35 | 2.56 |
AMT6 | 10.75 | 5.01 | 22.41 | 3.55 | 2.21 | 4.47 | 5.91 | 9.98 | 3.28 | 4.47 | 5.75 | 2.63 |
CPT1 | 5.63 | 4.14 | 15.34 | 5.61 | 3.78 | 7.61 | −2.63 | 7.00 | 3.19 | 5.17 | 7.55 | 4.03 |
CPT2 | 3.98 | 10.10 | 12.74 | 7.04 | 7.37 | 10.28 | −9.26 | −2.76 | 3.42 | 5.66 | 6.86 | 5.74 |
CPT3 | 18.58 | 28.22 | 19.57 | 7.20 | 5.92 | 8.47 | 3.98 | 12.31 | 15.95 | 5.00 | 7.35 | 4.41 |
CPT4 | 29.62 | 36.24 | 28.04 | 8.36 | 8.02 | 7.11 | 16.20 | 23.71 | 25.82 | 4.58 | 5.79 | 3.57 |
CPT5 | 40.52 | 47.64 | 40.05 | 8.71 | 6.67 | 4.70 | 31.65 | 32.08 | 33.61 | 5.23 | 7.46 | 4.99 |
CPT6 | 45.36 | 54.15 | 49.15 | 7.15 | 6.22 | 4.24 | 38.10 | 39.48 | 39.24 | 6.85 | 7.55 | 5.25 |
RP1 | 44.70 | 50.71 | 49.64 | 6.61 | 5.76 | 5.98 | 35.92 | 40.74 | 35.55 | 4.57 | 7.75 | 6.34 |
RP2 | 43.03 | 43.70 | 46.51 | 7.48 | 6.69 | 6.26 | 35.18 | 43.70 | 36.82 | 5.86 | 7.85 | 6.26 |
RP3 | 35.78 | 38.82 | 41.28 | 6.13 | 6.70 | 6.77 | 31.30 | 33.81 | 33.41 | 4.95 | 6.94 | 6.57 |
RP4 | 30.66 | 29.77 | 32.61 | 6.63 | 6.02 | 4.00 | 26.18 | 26.68 | 26.41 | 4.76 | 6.68 | 4.66 |
RP5 | 25.05 | 24.68 | 24.78 | 6.41 | 5.04 | 2.77 | 24.11 | 20.12 | 21.92 | 4.78 | 5.82 | 4.89 |
RP6 | 22.99 | 20.92 | 20.12 | 5.56 | 4.09 | 2.23 | 20.73 | 18.22 | 17.99 | 4.70 | 5.20 | 4.58 |
RP7 | 21.68 | 19.58 | 19.90 | 5.15 | 3.96 | 3.03 | 16.51 | 21.51 | 18.14 | 3.77 | 5.38 | 4.31 |
RP8 | 19.99 | 16.77 | 21.42 | 5.33 | 3.83 | 2.28 | 15.97 | 19.44 | 17.05 | 4.62 | 5.35 | 2.91 |
RP9 | 18.95 | 14.82 | 23.78 | 4.52 | 3.25 | 2.61 | 15.17 | 17.75 | 18.78 | 4.82 | 5.95 | 3.62 |
RP10 | 15.32 | 15.12 | 20.72 | 3.46 | 3.71 | 3.11 | 13.72 | 18.22 | 20.75 | 5.11 | 6.80 | 3.90 |
RP11 | 15.72 | 16.94 | 17.67 | 3.20 | 5.49 | 3.23 | 15.27 | 18.48 | 22.31 | 4.22 | 6.66 | 4.34 |
RP12 | 17.25 | 17.55 | 19.34 | 3.29 | 3.98 | 3.38 | 17.28 | 18.84 | 21.79 | 4.70 | 6.35 | 4.66 |
RP13 | 17.35 | 15.34 | 23.24 | 3.92 | 3.46 | 3.27 | 15.42 | 22.60 | 17.48 | 4.96 | 6.25 | 4.65 |
RP14 | 15.36 | 16.77 | 20.18 | 3.67 | 5.27 | 3.30 | 14.40 | 18.04 | 15.75 | 5.45 | 5.50 | 3.33 |
RP15 | 15.06 | 18.07 | 22.38 | 3.85 | 3.84 | 2.66 | 9.80 | 20.72 | 15.35 | 5.23 | 6.03 | 3.03 |
RP16 | 16.48 | 16.54 | 18.65 | 2.71 | 3.50 | 3.63 | 12.42 | 23.12 | 17.28 | 4.57 | 7.01 | 3.83 |
RP17 | 18.10 | 17.70 | 17.67 | 3.75 | 2.96 | 3.49 | 13.92 | 19.35 | 18.24 | 4.87 | 5.63 | 3.76 |
RP18 | 18.33 | 16.40 | 15.70 | 3.04 | 1.96 | 4.23 | 14.43 | 16.14 | 19.36 | 3.91 | 6.94 | 3.10 |
Diastolic blood pressure changes (mmHg) | ||||||||||||
 | High-response group | Low-response group | ||||||||||
 | Mean blood pressure | SEM | Mean blood pressure | SEM | ||||||||
 | Caffeine | L-theanine | Placebo | Caffeine | L-theanine | Placebo | Caffeine | L-theanine | Placebo | Caffeine | L-theanine | Placebo |
Base | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
AMT1 | 4.96 | 6.00 | 11.74 | 3.66 | 2.30 | 1.97 | 7.41 | 5.87 | 7.14 | 2.65 | 3.20 | 1.62 |
AMT2 | 4.47 | 5.34 | 12.30 | 2.53 | 1.31 | 3.56 | 2.38 | 1.46 | 4.14 | 2.61 | 2.98 | 2.08 |
AMT3 | 5.09 | 0.61 | 12.60 | 1.98 | 3.27 | 2.91 | 3.51 | 3.00 | 4.39 | 2.71 | 3.27 | 2.27 |
AMT4 | 5.73 | 2.14 | 17.07 | 2.39 | 2.20 | 2.83 | 4.22 | 5.31 | 5.39 | 3.34 | 3.22 | 2.00 |
AMT5 | 5.81 | 5.67 | 16.10 | 2.27 | 3.43 | 4.83 | 5.39 | 4.99 | 4.51 | 2.92 | 3.03 | 1.88 |
AMT6 | 7.19 | 6.64 | 16.90 | 2.37 | 3.08 | 3.73 | 3.95 | 6.66 | 4.64 | 2.98 | 3.03 | 1.73 |
CPT1 | 7.70 | 7.64 | 18.30 | 3.54 | 3.66 | 4.12 | 3.16 | 10.21 | 7.52 | 4.15 | 3.32 | 2.35 |
CPT2 | 8.56 | 9.58 | 16.31 | 3.87 | 3.60 | 5.78 | 0.89 | 1.36 | 6.49 | 4.13 | 3.14 | 2.88 |
CPT3 | 20.21 | 22.98 | 22.82 | 4.57 | 4.24 | 3.62 | 9.71 | 11.34 | 16.82 | 3.16 | 3.73 | 1.73 |
CPT4 | 28.40 | 30.20 | 29.32 | 5.15 | 6.15 | 1.49 | 18.34 | 20.10 | 23.91 | 2.86 | 2.84 | 2.14 |
CPT5 | 36.06 | 38.60 | 38.72 | 5.17 | 5.60 | 2.20 | 24.56 | 26.83 | 28.84 | 2.47 | 3.38 | 1.91 |
CPT6 | 39.39 | 42.83 | 43.18 | 4.30 | 4.62 | 3.75 | 27.31 | 30.29 | 32.04 | 2.90 | 3.73 | 2.23 |
RP1 | 35.79 | 38.60 | 42.20 | 5.27 | 4.67 | 4.80 | 24.09 | 27.87 | 27.85 | 2.71 | 3.48 | 2.61 |
RP2 | 32.09 | 31.23 | 36.65 | 6.64 | 5.16 | 4.47 | 19.93 | 25.49 | 24.41 | 3.35 | 3.74 | 2.22 |
RP3 | 25.97 | 26.03 | 31.75 | 5.68 | 5.50 | 4.00 | 16.69 | 18.37 | 19.62 | 3.04 | 3.84 | 3.18 |
RP4 | 21.84 | 21.50 | 25.34 | 5.36 | 5.65 | 2.92 | 13.60 | 15.34 | 16.02 | 3.16 | 3.82 | 2.84 |
RP5 | 18.16 | 17.67 | 19.81 | 5.31 | 4.85 | 2.57 | 12.40 | 12.10 | 12.68 | 3.04 | 3.10 | 2.99 |
RP6 | 16.11 | 15.78 | 16.97 | 4.49 | 4.38 | 1.68 | 10.79 | 11.10 | 11.09 | 3.20 | 2.71 | 2.72 |
RP7 | 14.83 | 14.55 | 15.90 | 3.73 | 4.37 | 1.58 | 8.04 | 12.81 | 11.44 | 2.59 | 2.66 | 2.59 |
RP8 | 13.71 | 12.40 | 16.55 | 3.80 | 3.67 | 1.98 | 8.26 | 10.90 | 10.98 | 3.29 | 2.75 | 1.79 |
RP9 | 12.59 | 12.25 | 18.04 | 3.83 | 3.38 | 2.17 | 6.76 | 10.14 | 12.08 | 3.11 | 2.99 | 2.36 |
RP10 | 9.06 | 12.00 | 15.18 | 2.98 | 3.86 | 2.63 | 5.95 | 10.23 | 12.16 | 3.47 | 2.99 | 2.64 |
RP11 | 10.23 | 12.78 | 13.37 | 2.58 | 3.72 | 2.73 | 7.45 | 10.24 | 12.82 | 2.42 | 2.62 | 2.38 |
RP12 | 10.90 | 12.94 | 14.80 | 2.89 | 3.04 | 2.93 | 7.04 | 10.61 | 12.76 | 3.19 | 3.18 | 2.62 |
RP13 | 10.04 | 11.61 | 16.50 | 3.04 | 2.74 | 2.47 | 6.49 | 12.07 | 9.99 | 2.90 | 2.95 | 2.94 |
RP14 | 8.90 | 12.14 | 13.94 | 2.90 | 3.26 | 2.53 | 5.72 | 8.90 | 9.75 | 3.19 | 3.04 | 1.67 |
RP15 | 9.30 | 12.54 | 16.81 | 3.12 | 2.76 | 1.97 | 4.38 | 11.49 | 8.88 | 3.33 | 2.78 | 1.70 |
RP16 | 8.99 | 10.44 | 13.04 | 2.50 | 1.71 | 2.86 | 5.96 | 11.91 | 9.58 | 2.28 | 2.87 | 1.76 |
RP17 | 9.30 | 11.80 | 12.77 | 2.69 | 2.30 | 3.38 | 5.79 | 9.37 | 10.08 | 3.29 | 2.70 | 2.12 |
RP18 | 9.66 | 12.08 | 10.03 | 2.33 | 2.53 | 3.43 | 6.17 | 8.93 | 11.50 | 2.43 | 3.06 | 2.57 |