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. 2026 Feb 10;10:e82428. doi: 10.2196/82428

Table 2.

Longitudinal changes in anxiety (Generalized Anxiety Disorder-7 Scale), depression (Patient Health Questionnaire-9), well-being (World Health Organization-5 Well-Being Index), and psychological flexibility among adult gamers in online gaming community intervention for loneliness at baseline, 30-day, and 60-day follow-up (United States, n=403).

Statistics Baseline 30 days 60 days
GAD-7a

Mean (SD) 11.23 (5.24) 9.03 (4.99) 8.25 (4.22)

Cohen db c 0.43 0.60

t test (df) between time pointsd 6.3863 (874)e 1.7260 (593)
PHQ-9f

Mean (SD) 13.37 (6.04) 11.01 (6.15) 10.27 (5.80)

Cohen d 0.39 0.52

t test (df) between time points 5.7492 (874)e 1.3001 (593)
WHO-5g

Mean (SD) 7.86 (3.82) 8.22 (4.03) 8.08 (4.44)

Cohen d –0.092 –0.24

t test (df) between time points –1.3593 (874) –1.5132 (593)
Psy-Flexh

Mean (SD) 11.51 (4.30) 11.87 (4.41) 12.55 (4.37)

Cohen d –0.08 –0.24

t test (df) between time points –1.2327 (874) –1.6497 (593)

aGAD-7: Generalized Anxiety Disorder-7.

bEffect sizes (Cohen d) compare baseline scores to each follow-up time point.

cNot applicable.

dt tests compare consecutive time points.

eP<.001.

fPHQ-9: Patient Health Questionnaire-9.

gWHO-5: World Health Organization-5 Well-Being Index.

hPsy-Flex: Psychological Flexibility Scale.