Table 3.
Within-condition responses for biomarkers at 0, 4 and 7 h
| |
Time (h) |
|||||||
|---|---|---|---|---|---|---|---|---|
| Marker | Condition | 0 | N | 4 | N | 7 | N | p Value* |
| Heart rate (bpm) | Active | 64.7 (8.1) | 19 | 71.8 (10.0) | 19 | 71.6 (11.2) | 19 | |
| Sedentary | 63.5 (8.6) | 19 | 66.2 (9.4) | 19 | 66.1 (9.7) | 19 | ||
| 0.038 | ||||||||
| Systolic blood | Active | 119.5 (10.3) | 19 | 117.5 (11.9) | 19 | 117.5 (11.1) | 19 | |
| pressure (mm Hg) | Sedentary | 119.9 (12.7) | 19 | 117.5 (12.7) | 19 | 119.7 (12.9) | 19 | |
| 0.801 | ||||||||
| Diastolic blood | Active | 76.1 (7.9) | 19 | 74.2 (9.3) | 19 | 75.3 (7.2) | 19 | |
| pressure (mm Hg) | Sedentary | 77.9 (8.6) | 19 | 72.1 (9.6) | 19 | 74.8 (8.8) | 19 | |
| 0.223 | ||||||||
| Insulin (µU/mL) | Active | 21.7 (9.2) | 18 | 105 (48.54) | 19 | 17.8 (6.57) | 18 | |
| Sedentary | 20.9 (7.84) | 19 | 96.4 (51.76) | 19 | 19.2 (6.52) | 19 | ||
| 0.679 | ||||||||
| IL-6 (pg/mL) | Active | 0.95 (0.93) | 18 | 1.32 (0.85) | 19 | 1.92 (1.42) | 18 | |
| Sedentary | 0.94 (0.7) | 19 | 1.21 (0.51) | 19 | 1.34 (0.79) | 19 | ||
| 0.123 | ||||||||
| Cortisol (pg/mL) | Active | 3452 (3038) | 18 | 1512 (1226) | 19 | 1364 (737) | 18 | |
| Sedentary | 3618 (5472) | 19 | 1651 (1085) | 19 | 2653 (3617) | 19 | ||
| 0.611 | ||||||||
| BDNF (pg/mL) | Active | 14 905 (8324) | 15 | 15 201 (8628) | 16 | 12 605 (7603) | 14 | |
| Sedentary | 14 226 (6852) | 16 | 13 098 (6854) | 15 | 14 180 (7172) | 15 | ||
| 0.184 | ||||||||
| Catechols | ||||||||
| Norepinephrine (pg/mL) | Active | 427 (220) | 18 | 475 (238) | 18 | 440 (195) | 19 | |
| Sedentary | 375 (192) | 18 | 466 (281) | 17 | 473 (250) | 18 | ||
| 0.177 | ||||||||
| DHPG (pg/mL) | Active | 1244 (292) | 18 | 1259 (307) | 18 | 1276 (298) | 19 | |
| Sedentary | 1243 (245) | 18 | 1338 (381) | 17 | 1349 (329) | 18 | ||
| 0.447 | ||||||||
| Epinephrine (pg/mL) | Active | 36.6 (48.35) | 17 | 109.1 (226.7) | 17 | 171.2 (274.89) | 18 | |
| Sedentary | 44.4 (54.31) | 18 | 118.7 (355.09) | 17 | 69.8 (99.55) | 18 | ||
| 0.198 | ||||||||
| DOPA (pg/mL) | Active | 1884 (497) | 18 | 1616 (455) | 18 | 1862 (557) | 19 | |
| Sedentary | 1919 (505) | 18 | 1739 (476) | 17 | 2051 (588) | 18 | ||
| 0.676 | ||||||||
| Dopamine (pg/mL) | Active | 23.7 (26.31) | 18 | 63 (158.12) | 18 | 42.4 (75.24) | 19 | |
| Sedentary | 49.6 (134.01) | 18 | 39.6 (81.37) | 17 | 61.2 (190.59) | 18 | ||
| 0.234 | ||||||||
| DHPG/norepinephrine | Active | 4.0 (1.78) | 18 | 3.4 (1.28) | 17 | 3.3 (1.34) | 18 | |
| Sedentary | 3.4 (1.46) | 18 | 3.0 (1.01) | 18 | 3.2 (1.15) | 19 | ||
| 0.434 | ||||||||
*p Values for difference in temporal changes by condition.
Bold typeface indicates significance at p<0.05.
BDNF, brain-derived neurotrophic factor; DHPG, dihydroxyphenylglycol; DOPA, dihydroxyphenylalanine; IL-6, interleukin 6.