Table 1.

The POMS subscale and TMD scores and the simple reaction time’ results after caffeine or placebo ingestion (n=12)

Subscale of Mode	Placebo	Caffeine	P Value
Depression	0.56 (0.3)	0.55 (0.48)	NS
Confusion	1.45 (0.37)	01.42 (0.91)	NS
Anger	0.82 (0.89)	0.80 (0.62)	NS
Fatigue	0.48 (0.18)	0.40 (0.22)	NS
Vigor	1.05 (0.24)	2.24 (0.37)	<0.05
Anxiety	0.42 (0.16)	1.45 (0.24)	<0.05
TMD	3.73 (0.37)	4.62 (0.43)	NS
Simple reaction time (ms)	0.34 (0.03)	0.3 (0.04)	<0.001

POMS: Profile of Mood States; TMD: total mood D; NS: no-significant difference