Table 5 Results of the post hoc tests for the main effect of time on symptom severity

Exercise

I > II (2.67), I > III (2.82), I > IV (2.90), I > V (2.75), II ≈ III (0.14), II ≈ IV (0.22), II = V (0.08), III = IV (0.08), III = V (−0.07), IV = V (−0.15)

Sex

I > II (2.37), I > III (2.74), I > IV (2.59), I > V (2.72), II = III (0.37), II = IV (0.22), II = V (0.35), III = IV (−0.15), III = V (−0.02), IV = V (0.13)

Shopping

I > II (2.75), I > III (2.70), I > IV (3.04), I > V (3.16), II = III (−0.06), II = IV (0.28), II = V (0.41), III = IV (0.35), III = V (0.46), IV = V (0.12)

Online chat

I > II (2.30), I > III (3.07), I > IV (2.69), I > V (2.79), II > III (0.77), II = IV (0.40), II = V (0.49), III = IV (−0.38), III = V (−0.28), IV = V (0.10)

Video gaming

I > II (2.60), I > III (3.44), I > IV (3.48), I > V (3.63), II > III (0.84), II ≈ IV (0.88), II > V (1.04), III = IV (0.04), III = V (0.20), IV = V (0.16)

Eating

II > III (1.33), II > IV (1.68), II > V (1.82), III = IV (0.34), III > V (0.49), IV = V (0.15)