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Table 4 Descriptive data on symptom severity trajectories for the six problem behaviors [M (SD)]

From: Natural course of behavioral addictions: a 5-year longitudinal study

  Reported problematic level of involvement at T1 Incidence at T2 Incidence at T3 Incidence at T4
Exercise T1 2.85 (2.96) - - -
T2 0.26 (1.35) 3.20 (3.29) - -
T3 0.13 (1.10) 0.57 (2.98) 2.70 (3.11) -
T4 0.07 (0.41) 0.46 (1.52) 0.62 (2.10) 2.22 (2.18)
T5 0.21 (1.03) 0.24 (0.99) 0.07 (0.47) 0.37 (1.52)
n 136 47 49 40
Sex T1 3.79 (3.90) - - -
T2 1.26 (3.26) 4.55 (3.75) - -
T3 0.97 (2.54) 0.51 (1.50) 3.30 (3.27) -
T4 1.19 (2.79) 0.20 (1.12) 1.37 (2.99) 2.68 (3.50)
T5 1.00 (2.68) 0.23 (1.27) 0.59 (2.17) 0.78 (2.14)
n 101 40 44 26
Shopping T1 3.97 (3.81) - - -
T2 1.21 (2.96) 2.80 (3.72) - -
T3 1.25 (3.11) 0.87 (2.43) 2.24 (3.23) -
T4 0.75 (2.36) 0.46 (2.02) 0.14 (0.88) 3.30 (4.40)
T5 0.71 (2.42) 0.61 (2.11) 0.41 (1.65) 0.16 (1.04)
n 184 99 71 45
Online chat T1 3.48 (3.52) - - -
T2 1.25 (3.24) 4.17 (4.00) - -
T3 0.42 (1.78) 1.01 (2.38) 3.64 (3.56) -
T4 0.80 (2.40) 0.59 (2.22) 0.40 (1.51) 3.59 (3.27)
T5 0.73 (2.20) 0.24 (0.99) 0.05 (0.23) 0.72 (2.68)
n 62 30 23 17
Video gaming T1 4.13 (3.63) - - -
T2 1.51 (3.20) 4.01 (3.39) - -
T3 0.56 (2.07) 1.02 (2.51) 4.40 (3.82) -
T4 0.53 (2.31) 1.25 (3.82) 1.01 (3.38) 3.26 (3.34)
T5 0.50 (1.96) 1.07 (2.84) 0.00 (0.00) 0.51 (1.76)
n 68 40 39 31
Eating T2 - 3.29 (3.68) - -
T3 - 1.85 (3.43) 2.94 (3.41) -
T4 - 1.33 (2.92) 1.06 (2.53) 2.96 (3.48)
T5 - 1.39 (2.92) 0.94 (2.57) 0.80 (2.47)
n - 291 153 98