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. 2022 Jan 20;12:713060. doi: 10.3389/fpsyt.2021.713060

Table 3.

Comparison of the number of prescribed medications and adverse events in the adherent and non-adherent patient groups.

Adherent patients (n = 845) Non-adherent patients (n = 217) Statistic p-value Effect size
Mean (SD) Mean (SD)
Cross-diagnostic group
Antidepressants 0.51 (0.65) 0.43 (0.60) U = 68267.50, z = –1.54 0.123 r = –0.047
Antipsychotics 1.38 (0.98) 1.25 (0.92) U = 85064.50, z = –1.74 0.081 r = –0.053
Mood stabilizers 0.46 (0.61) 0.29 (0.48) U = 78900.00, z = –3.73 0.000 r = –0.114
Tranquilizers 0.21 (0.46) 0.26 (0.50) U = 86837.50, z = –1.76 0.079 r = –0.054
Other psychotherapeutics 0.02 (0.18) 0.01 (0.12) U = 91538.00, z = –0.17 0.865 r = –0.005
Overall 2.58 (1.30) 2.24 (1.21) U = 78411.50, z = –3.40 0.001 r = –0.104
Psychotic disorder group
Antidepressants 0.34 (0.55) 0.29 (0.51) U = 24386.00, z = –0.81 0.416 r = –0.025
Antipsychotics 1.84 (0.88) 1.56 (0.91) U = 20854.50, z = –3.22 0.001 r = –0.099
Mood stabilizers 0.15 (0.40) 0.12 (0.32) U = 24768.00, z = –0.67 0.506 r = –0.020
Tranquilizers 0.27 (0.50) 0.27 (0.50) U = 25284.50, z = –0.06 0.954 r = –0.001
Other psychotherapeutics 0.01 (0.09) 0.02 (0.12) U = 25149.00, z = –0.80 0.426 r = –0.025
Overall 2.62 (0.09) 2.26 (1.19) U = 21324.00, z = –2.80 0.005 r = –0.056
Bipolar disorder group
Antidepressants 0.57 (0.67) 0.53 (0.63) U = 13711.50, z = –0.39 0.695 r = –0.012
Antipsychotics 1.03 (0.90) 0.92 (0.75) U = 13390.50, z = –0.71 0.477 r = –0.022
Mood stabilizers 0.83 (0.60) 0.65 (0.56) U = 12039.50, z = –2.27 0.023 r = –0.070
Tranquilizers 0.16 (0.44) 0.26 (0.53) U = 12795.50, z = –2.01 0.044 r = –0.062
Other psychotherapeutics 0.03 (0.17) 0.01 (0.12) U = 13947.00, z = –0.29 0.623 r = –0.009
Overall 2.62 (1.30) 2.38 (1.24) U = 12725.00, z = –1.34 0.181 r = –0.041
Unipolar depression group
Antidepressants 1.16 (0.64) 1.06 (0.68) U = 454.50, z = –0.48 0.628 r = –0.015
Antipsychotics 0.66 (0.65) 0.25 (0.45) U = 326.00, z = –2.28 0.023 r = –0.070
Mood stabilizers 0.10 (0.30) 0.06 (0.25) U = 470.50, z = –0.44 0.659 r = –0.014
Tranquilizers 0.10 (0.30) 0.19 (0.00) U = 444.50, z = –0.44 0.326 r = –0.014
Other psychotherapeutics 0.02 (0.13) 0 U = 480.00, z = –0.51 0.448 r = –0.016
Overall 2.03 (1.05) 1.56 (1.09) U = 375.00, z = –1.47 0.458 r = –0.045
Adverse events
Yes 404 (52.9) 85 (39.8) X2(1) = 8.39 0.004 Φ = 0.089

Bold values indicate significance (p < 0.05).

r, Pearson correlation coefficient: <0.3, small effect size; 0.3–0.5, medium effect size; >0.5, large effect size.

ϕ, Phi coefficient: <0.25, small effect size; 0.25–0.66, medium effect size; >0.66, large effect size.