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. Author manuscript; available in PMC: 2010 May 10.
Published in final edited form as: J Toxicol Environ Health A. 2009;72(9):599–609. doi: 10.1080/15287390802706405

TABLE 5.

Mood and COMT Polymorphism

Males (n = 181) Females (n = 211)


Mood score/polymorphism Base model Full model Base model Full model




Beta Sig. Beta Sig. Beta Sig. Beta Sig.
POMS Mood–Tension Score
 COMT - Het 1.264 .157 .987 .243
 COMT - Mut 2.264 .019 2.496 .007
 Linear 1.130 .019 1.250 .007
POMS Mood–Depression Score
 COMT - Het .835 .459 .596 .581
 COMT - Mut 2.381 .053 2.452 .037
 Linear 1.140 .062 1.217 .040
POMS Mood–Fatigue Score
 COMT - Het 1.987 .025 1.856 .027
 COMT - Mut 1.661 .083 2.279 .014
 Linear 0.843 .078 1.140 .013
POMS Mood–Confusion Score
 COMT - Het .755 .187 .706 .201
 COMT - Mut 1.336 .032 1.392 .021
 Linear 0.655 .034 0.694 .021
POMS Mood–Overall Score
 COMT - Het 7.019 .097 6.579 .097
 COMT - Mut 10.344 .025 12.565 .004
 Linear 5.210 .022 6.046 .005

Note. Only gender-specific categories with significant associations are shown; beta values represent the strength of the association between 0 and 100%. Boldfaced numerals indicate significant (p < .05); italicized numerals indicate not significant (p > .05; values are shown for comparison between base and full models).