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. 2023 Mar 22;49(Suppl 2):S125–S141. doi: 10.1093/schbul/sbac128

Table 3.

Estimated standardized relation between acoustic and clinical features. ER indicates the evidence ratio for the difference, ER01 the evidence ratio for the null effect.

Rating scales SANS SAPS SANS—Alogia SANS—Flat affect
Pitch Median
MA priors 0.096 [−0.158, 0.346] −0.185 [−0.691, 0.316]
Skeptical DK −0.01 (−0.19 0.15) ER = 1.22 ER01 = 6.52 0.1 (−0.05 0.25) ER = 6.87 0.11 (−0.05 0.27) ER = 6.77 −0.04 (−0.19 0.11) ER = 2.01 ER01 = 6.14
Skeptical CH −0.01 (−0.35 0.33) ER = 1.13 ER01 = 3.12 −0.07 (−0.3 0.14) ER = 2.34 ER01 = 4.07 −0.03 (−0.47 0.4) ER = 1.21 ER01 = 2.41 −0.15 (−0.45 0.15) ER = 4.39
Informed DK −0.02 (−0.19 0.16) ER = 1.32 ER01 = 3.89 0.1 (−0.04 0.25) ER = 8.39
Informed CH 0.04 (−0.26 0.34) ER = 1.54 ER01 = 2.16 −0.08 (−0.3 0.13) ER = 2.89 ER01 = 4.52
Stacking weight Informed Model 1.00 Informed Model 0.56
Pitch IQR
MA priors −0.01 [−0.196, 0.144] −0.027 [−0.686, 0.763] −0.035 [−0.317, 0.22] −0.106 [−0.262, −0.047]
Skeptical DK 0.01 (−0.02 0.05) ER = 2.91 ER01 = 24.69 −0.01 (−0.03 0.02) ER = 1.64 ER01 = 33.01 0.01 (−0.02 0.04) ER = 1.69 ER01 = 31.04 0 (−0.03 0.02) ER = 1.4 ER01 = 39.65
Skeptical CH −0.06 (−0.25 0.1) ER = 2.48 ER01 = 5.84 −0.03 (−0.14 0.07) ER = 2.21 ER01 = 8.3 0.32 (0.60.1) ER = 124 0.26 (0.420.11) ER = 599
Informed DK 0.01 (−0.02 0.05) ER = 2.95 ER01 = 11.54 −0.01 (−0.03 0.02) ER = 1.62 ER01 = 51.25 0.01 (−0.02 0.04) ER = 1.66 ER01 = 20.87 0 (−0.03 0.02) ER = 1.45 ER01 = 16.74
Informed CH −0.05 (−0.23 0.11) ER = 2.15 ER01 = 2.47 −0.03 (−0.14 0.07) ER = 2.24 ER01 = 11.95 0.3 (0.530.1) ER = 141.86 0.24 (0.390.1) ER = 749
Stacking weight Informed Model 1.00 Skeptic Model 1.00 Skeptic Model 1.00 Informed Model 1.00
Speech percentage
MA priors −0.229 [−0.499, 0.035] −0.413 [−0.723, −0.07] −0.1 (−0.18 −0.01) ER = 34.29
Skeptical DK 0.12 (0.230.02) ER = 47.78 0.04 (−0.05 0.13) ER = 3.37 −0.03 (−0.12 0.06) ER = 2.17 ER01 = 9.57 0.09 (0.17 0) ER = 23.49
Skeptical CH −0.02 (−0.3 0.24) ER = 1.15 ER01 = 3.88 0.07 (−0.1 0.24) ER = 3.17 −0.11 (−0.46 0.21) ER = 2.48 ER01 = 2.76 −0.06 (−0.3 0.17) ER = 2.03 ER01 = 4.01
Informed DK 0.13 (0.240.02) ER = 51.63 NA −0.03 (−0.13 0.06) ER = 2.55 ER01 = 10.71 0.09 (0.180.01) ER = 31.97
Informed CH −0.05 (−0.33 0.2) ER = 1.62 ER01 = 3.16 NA −0.18 (−0.54 0.14) ER = 4.28 −0.11 (−0.34 0.12) ER = 3.46
Stacking weight Informed Model 1.00 Informed Model 0.88 Informed Model 1.00
Speech rate
Skeptical DK 0.18 (0.280.1) ER = 1999 −0.02 (−0.09 0.06) ER = 1.91 ER01 = 13.81 0.13 (0.220.05) ER = 499 0.11 (0.180.04) ER = 332.33
Skeptical CH −0.15 (−0.38 0.05) ER = 8.09 0.05 (−0.09 0.19) ER = 2.87 ER01 = 6.31 0.22 (0.54 0.06) ER = 9.64 0.17 (0.37 0.01) ER = 14.62
Pause duration
MA priors 0.302 [−0.199, 0.783]
Skeptical DK 0.06 (0.02 0.11) ER = 186.5 0 (−0.03 0.04) ER = 1.16 ER01 = 29.07 0.04 (0 0.08) ER = 24.1 0.03 (0 0.07) ER = 21.99
Skeptical CH −0.03 (−0.22 0.16) ER = 1.52 ER01 = 5.35 −0.02 (−0.14 0.11) ER = 1.43 ER01 = 8.44 −0.02 (−0.29 0.25) ER = 1.17 ER01 = 4.15 0.01 (−0.17 0.2) ER = 1.21 ER01 = 5.81
Informed DK 0.07 (0.02 0.11) ER = 221.22 NA NA NA
Informed CH −0.03 (−0.23 0.18) ER = 1.42 ER01 = 6.85 NA NA NA
Stacking weight Informed Model 1.00
Number of pauses
Skeptical DK 0.06 (0.13 0.01) ER = 10.11 0.02 (−0.04 0.08) ER = 2.1 ER01 = 15.8 −0.03 (−0.09 0.03) ER = 3.6 0.05 (0.11 0) ER = 15.81
Skeptical CH 0.08 (−0.14 0.3) ER = 2.86 ER01 = 3.72 0.15 (0.30.01) ER = 23.19 0.19 (−0.05 0.46) ER = 9.71 0.08 (−0.08 0.26) ER = 3.91
Duration of utterance
Skeptical DK 0.07 (0.130.01) ER = 67.97 0.05 (0.09 0) ER = 16.7 0.08 (0.140.03) ER = 374 −0.03 (−0.08 0.02) ER = 6.33
Skeptical CH −0.1 (−0.28 0.06) ER = 5.97 0.1 (0 0.21) ER = 19.76 0.25 (0.510.04) ER = 35.14 0.18 (0.340.04) ER = 49.85
Number of utterances
Skeptical DK 0.06 (0.13 0.01) ER = 13.89 0.01 (−0.05 0.07) ER = 1.43 ER01 = 18.21 −0.04 (−0.1 0.02) ER = 6.63 0.06 (0.11 0) ER = 20.82
Skeptical CH 0.06 (−0.15 0.28) ER = 2.24 ER01 = 4.43 0.15 (0.30.02) ER = 27.99 0.15 (−0.09 0.41) ER = 5.74 0.06 (−0.11 0.24) ER = 2.71 ER01 = 4.99
Rating scales PANSS Total PANSS
Negative
PANSS
Positive
PANSS Conversation PANSS
Blunted affect
Pitch Median
MA priors 0.096 [−0.158, 0.346] −0.185 [−0.691, 0.316]
Skeptical CH −0.3 (−0.79 0.16) ER = 5.97 −0.14 (−0.46 0.17) ER = 3.31 −0.24 (−0.6 0.11) ER = 6.73 0 (−0.25 0.26) ER = 1.1 ER01 = 3.97 −0.07 (−0.37 0.22) ER = 1.85 ER01 = 3.26
Skeptical JP −0.43 (−1.03 0.18) ER = 7 −0.4 (−1.01 0.23) ER = 6.36 0.51 (1.11 0.08) ER = 11.66 NA NA
Skeptical GE −0.1 (−0.48 0.28) ER = 1.92 ER01 = 2.45 −0.03 (−0.34 0.27) ER = 1.29 ER01 = 3.41 0.34 (0.710.01) ER = 21.56 −0.12 (−0.3 0.06) ER = 6.52 0.26 (−0.14 0.73) ER = 5.87
Informed CH NA −0.1 (−0.4 0.2) ER = 2.32 ER01 = 1.83 −0.26 (−0.62 0.1) ER = 7.72 NA NA
Informed JP NA −0.18 (−0.66 0.31) ER = 2.66 ER01 = 1.06 0.63 (1.28 0.03) ER = 16.7 NA NA
Informed GE NA −0.02 (−0.3 0.25) ER = 1.18 ER01 = 2.37 0.36 (0.740.03) ER = 25.79 NA NA
Skeptic Model 1.00 Skeptic Model 1.00
Pitch IQR
MA priors −0.091 [−0.34, 0.15] −0.01 [−0.196, 0.144] −0.027 [−0.686, 0.763] 0 (−0.25 0.26) ER = 1.1 ER01 = 3.97 −0.07 (−0.37 0.22) ER = 1.85 ER01 = 3.26
Skeptical CH 0.23 (−0.11 0.56) ER = 6.95 −0.15 (−0.35 0.05) ER = 8.45 0.4 (0.24 0.57) ER = Inf −0.1 (−0.24 0.03) ER = 9.45 −0.07 (−0.26 0.11) ER = 2.7 ER01 = 5.13
Skeptical JP 0.04 (−0.43 0.53) ER = 1.26 ER01 = 2.21 −0.08 (−0.61 0.45) ER = 1.5 ER01 = 1.84 0.06 (−0.44 0.56) ER = 1.44 ER01 = 2.01 NA NA
Skeptical GE 0.16 (0.33 0.01) ER = 16.39 0.27 (0.440.14) ER = 1999 −0.01 (−0.17 0.16) ER = 1.29 ER01 = 5.93 −0.04 (−0.13 0.04) ER = 4.15 −0.1 (−0.34 0.08) ER = 4.43
Informed CH 0.18 (−0.14 0.48) ER = 5.4 −0.13 (−0.3 0.05) ER = 7.08 0.41 (0.25 0.59) ER = 5999 −0.1 (−0.24 0.03) ER = 8.85 −0.08 (−0.25 0.08) ER = 3.62
Informed JP 0 (−0.43 0.43) ER = 1.05 ER01 = 1.71 −0.05 (−0.39 0.29) ER = 1.42 ER01 = 1.18 0.06 (−0.5 0.63) ER = 1.38 ER01 = 2.72 NA NA
Informed GE 0.15 (0.32 0.01) ER = 15.57 0.25 (0.390.12) ER = 1199 −0.02 (−0.19 0.15) ER = 1.36 ER01 = 8.98 −0.05 (−0.13 0.03) ER = 4.63 −0.1 (−0.29 0.06) ER = 5.3
Informed Model 1.00 Skeptic Model 1.00 Skeptic Model 1.00 Skeptic Model 1.00 Informed Model 1.00
Speech percentage
MA priors 0.302 [−0.199, 0.783]
Skeptical CH 0.03 (−0.45 0.5) ER = 1.18 ER01 = 2.06 0.31 (0.62 0) ER = 18.05 0.14 (−0.23 0.5) ER = 2.97 ER01 = 2.22 −0.15 (−0.38 0.07) ER = 7.02 −0.2 (−0.49 0.08) ER = 7.6
Skeptical JP 0.24 (−0.25 0.73) ER = 4.03 0.14 (−0.42 0.67) ER = 2.01 ER01 = 1.72 0.19 (−0.36 0.72) ER = 2.64 ER01 = 1.55 NA NA
Skeptical GE 0.26 (0.57 0.04) ER = 11.88 −0.12 (−0.36 0.12) ER = 3.93 −0.11 (−0.38 0.17) ER = 2.91 ER01 = 3.11 0.17 (0.320.03) ER = 36.97 −0.17 (−0.5 0.13) ER = 5.63
Informed CH 0.03 (−0.45 0.53) ER = 1.18 ER01 = 2.11 0.32 (0.630.02) ER = 22.35 NA 0.19 (0.42 0.03) ER = 11.88 0.26 (0.480.05) ER = 51.63
Informed JP 0.23 (−0.29 0.74) ER = 3.56 0 (−0.51 0.48) ER = 0.97 ER01 = 1.75 NA NA NA
Informed GE 0.26 (0.57 0.04) ER = 11.42 −0.14 (−0.38 0.08) ER = 5.51 NA 0.19 (0.340.04) ER = 56.14 0.23 (0.510.03) ER = 34.71
Informed Model 1.00 Informed Model 1.00 Skeptic Model 1.00 Informed Model 1.00
Speech Rate
Skeptical CH 0.38 (0.760.01) ER = 20.28 −0.16 (−0.41 0.08) ER = 6.48 −0.01 (−0.28 0.27) ER = 1.13 ER01 = 3.78 −0.13 (−0.32 0.06) ER = 6.8 −0.11 (−0.35 0.11) ER = 3.74
Skeptical JP 0.26 (−0.28 0.8) ER = 3.98 0.15 (−0.46 0.74) ER = 2.05 ER01 = 1.44 0.3 (−0.28 0.84) ER = 4.45 NA NA
Skeptical GE 0.39 (0.690.1) ER = 61.5 0.24 (0.470.02) ER = 23.9 −0.12 (−0.4 0.15) ER = 3.22 0.18 (0.340.04) ER = 51.63 −0.21 (−0.55 0.08) ER = 8.01
Mean Pause Duration
MA priors 0.302 [−0.199, 0.783]
Skeptical CH 0.14 (−0.24 0.49) ER = 2.78 ER01 = 2.15 0.38 (0.22 0.54) ER = 1199 −0.12 (−0.39 0.15) ER = 3.39 0.23 (0.1 0.36) ER = 351.94 0.26 (0.11 0.43) ER = 351.94
Skeptical JP 0.5 (0.960.01) ER = 20.98 −0.42 (−0.96 0.13) ER = 8.93 0.49 (1 0.02) ER = 16.05
Skeptical GE 0.11 (0 0.23) ER = 18.54 0.07 (0.02 0.16) ER = 10.45 0.02 (−0.09 0.13) ER = 1.85 ER01 = 9 0.11 (0.04 0.17) ER = 299 0.11 (0.01 0.28) ER = 15.48
Informed CH NA 0.39 (0.24 0.55) ER = 5999 NA NA NA
Informed JP NA −0.37 (−0.95 0.21) ER = 6.18 NA NA NA
Informed GE NA 0.07 (0.01 0.16) ER = 10.83 NA NA NA
Informed Model 1.00
Pause Number
Skeptical CH 0.51 (0.940.08) ER = 33.09 0.32 (0.620.04) ER = 29.15 0.02 (−0.32 0.37) ER = 1.15 ER01 = 2.78 0.3 (0.50.09) ER = 92.75 0.25 (0.52 0) ER = 19.91
Skeptical JP 0.24 (−0.26 0.73) ER = 3.94 0.14 (−0.41 0.67) ER = 2.07 ER01 = 1.79 0.33 (−0.2 0.81) ER = 6.23 NA NA
Skeptical GE 0.2 (0.390.03) ER = 32.9 0.12 (0.26 0.02) ER = 12.95 −0.02 (−0.19 0.14) ER = 1.52 ER01 = 5.83 0.14 (0.230.06) ER = 271.73 0.15 (0.39 0.03) ER = 11.35
Utterance duration
Skeptical CH 0.3 (0 0.59) ER = 18.05 0.2 (0.02 0.38) ER = 29.61 0.1 (−0.12 0.32) ER = 3.63 0.09 (−0.03 0.22) ER = 8.51 0.19 (0.06 0.33) ER = 60.22
Skeptical JP 0.06 (−0.44 0.54) ER = 1.5 ER01 = 1.96 −0.01 (−0.53 0.49) ER = 1.04 ER01 = 2.05 0.11 (−0.4 0.6) ER = 1.94 ER01 = 1.87 NA NA
Skeptical GE 0.19 (0.330.07) ER = 110.11 0.17 (0.290.07) ER = 544.45 −0.07 (−0.21 0.06) ER = 4.38 0.07 (0.14 0) ER = 18.29 −0.07 (−0.27 0.1) ER = 3.06
Utterance Number
Skeptical CH 0.49 (0.90.07) ER = 34.71 0.34 (0.620.07) ER = 40.1 0.03 (−0.3 0.35) ER = 1.25 ER01 = 3.21 0.3 (0.50.11) ER = 145.34 0.24 (0.50.01) ER = 21.47
Skeptical JP 0.25 (−0.25 0.73) ER = 4.16 0.12 (−0.42 0.65) ER = 1.83 ER01 = 1.68 0.35 (−0.17 0.83) ER = 7.15 NA NA
Skeptical GE 0.22 (0.410.03) ER = 39 0.14 (0.29 0) ER = 20.66 −0.03 (−0.21 0.14) ER = 1.68 ER01 = 5.22 0.15 (0.250.07) ER = 314.79 0.15 (0.38 0.04) ER = 9.95

Note: ER, evidence ratio for the difference; ER01, evidence ratio for the null effect. The Scale for the Assessment of Negative Symptoms (SANS), the Scale for the Assessment of Positive Symptoms (SAPS), and the Positive and Negative Syndrome Scale (PANSS). Danish (DK), German (GE), Chinese (CH) and Japanese (JP) models. NA = not applicable.