Table 8.

Mood and concentration profiles

Variable	T1	T2	T3	Time*group	Time*group*gender
POMS Tension
PLA	13 ± 4	13 ± 5	14 ± 4	Time p = 0.09	G*T*Ge p = 0.61
LD	13 ± 3	14 ± 5	14 ± 4	G*T p = 0.98
HD	14 ± 4	15 ± 4	15 ± 4
POMS Depression
PLA	16 ± 3	16 ± 4	17 ± 4	Time p = 0.12	G*T*Ge p = 0.47
LD	16 ± 2	17 ± 5	17 ± 3	G*T p = 0.55
HD	17 ± 2	18 ± 6	17 ± 5
POMS Anger
PLA	13.3 ± 2.4	13.9 ± 2.8	14.0 ± 3.7	Time p = 0.50	G*T*Ge p = 0.97
LD	13.0 ± 1.8	13.7 ± 4.2	13.5 ± 3.6	G*T p = 0.65
HD	13.7 ± 2.4	13.4 ± 2.1	13.5 ± 2.9
POMS Vigor
PLA	22 ± 5	22 ± 6	21 ± 6	Time p  = 0.021	G*T*Ge p  = 0.044
LD	23 ± 5	19 ± 6 †	23 ± 6 ‡	G*T p  = 0.006
HD	21 ± 5	20 ± 6	19 ± 5
POMS Fatigue
PLA	11 ± 3	12 ± 5	14 ± 5	Time p  = 0.031	G*T*Ge p = 0.79
LD	11 ± 4	12 ± 5	11 ± 4	G*T p = 0.41
HD	13 ± 5	14 ± 5	15 ± 6
POMS Confusion
PLA	12 ± 2	13 ± 3	13 ± 3	Time p = 0.64	G*T*Ge p = 0.22
LD	13 ± 2	13 ± 2	13 ± 3	G*T p = 0.65
HD	13 ± 3	14 ± 4	13 ± 3
POMS Total
PLA	44 ± 13	45 ± 17	49 ± 16	Time p  = 0.023	G*T*Ge p = 0.62
LD	43 ± 10	50 ± 20	45 ± 15	G*T p = 0.50
HD	51 ± 15	58 ± 23	58 ± 20

Abbreviations: PLA Placebo, LD Theacrine Low Dose, HD Theacrine High Dose, G Group, T Time, Ge Gender

Symbols: ^‡, increase from corresponding T2 value within the male TC-LD group (p < 0.05); ^†, different from corresponding T1 value (p < 0.05). Items in bold indicate a significant effect (p < 0.05) was observed