Table I.
Demographic and basic neuropsychological data
| Total | Female | Male | P | |
|---|---|---|---|---|
| N = 44 | N = 22 | N = 22 | — | |
| Age [years] | 30.50 ± 7.0 | 31.36 ± 8.2 | 29.64 ± 5.7 | 0.421a |
| Education [years] | 15.22 ± 2.1 | 15.11 ± 2.1 | 15.32 ± 2.2 | 0.755a |
| Nicotine [pack years] | 4.68 ± 6.3 | 3.66 ± 5.6 | 5.70 ± 7.0 | 0.289a |
| Video playing experienceb | 0/28/12/4 | 0/15/7/0 | 0/13/5/4 | 0.107c |
| LPS‐IQ | 114.75 ± 9.6 | 112.32 ± 10.1 | 117.18 ± 8.6 | 0.092a |
| MWT‐IQ | 114.57 ± 13.8 | 114.55 ± 9.8 | 114.59 ± 17.2 | 0.991a |
| DST | 63.02 ± 9.9 | 63.62 ± 10.9 | 62.43 ± 8.9 | 0.701a |
| TMT‐A | 27.00 ± 7.9 | 25.76 ± 5.8 | 28.24 ± 9.5 | 0.314a |
| TMT‐B | 54.29 ± 20.1 | 54.33 ± 22.0 | 54.23 ± 18.6 | 0.988a |
a
t‐test.
b
Factorized as: no computer experience/computer experience, but no video playing/occasional video playing (<2 h/week)/regular video playing (≥2 h/week)
c
χ2 test.
Abbreviations: LPS‐IQ, Leistungsprüfsystem (non‐verbal intelligence); MWT‐IQ, Mehrfachwortschatztest (verbal intelligence); DST, digit symbol test; TMT, trail making test.