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. 2021 Aug 9;8(8):e26234. doi: 10.2196/26234

Table 8.

Associations between survey data features and psychiatric symptoms.

Survey data features PANSSa total score BPRSb total score CGI-SCHc score CDSSd total score YMRSe total score
Bidaily survey summary score

Coefficient 0.27 0.23 f ncg 0.37 nc

P value .09 .05 h .01
Feel down or depressed

Coefficient 0.28 0.2 nc 0.34 0.01

P value .11 .10 .01 .93
Feel confused or have trouble with your thinking

Coefficient 0.25 0.19 nc 0.35 0.12

P value .09 .08 .01 .34
Feel stressed or overwhelmed

Coefficient 0.29 0.16 –0.04 0.25 0.02

P value .06 .11 .49 .04 .86
See or hear things that other people could not see or hear

Coefficient 0.26 0.2 0 0.11 nc

P value .22 .13 .99 .42
Have trouble sleeping the night before

Coefficient 0.10 0.10 –0.07 0.02 –0.04

P value .39 .22 .48 .84 .69
Weekly survey summary score

Coefficient 0.30 0.29 –0.2 0.37 0.09

P value .03 .01 .26 .01 .47
Feel anxious or nervous

Coefficient 0.09 0.18 –0.17 0.26 0.09

P value .71 .12 .16 .06 .55
Feel unmotivated

Coefficient 0.19 0.23 –0.06 0.26 0.1

P value .16 .04 .70 .20 .47
Have trouble getting things done

Coefficient 0.35 0.25 0.05 0.28 0.09

P value .04 .04 .73 .04 .40
Missed any schizophrenia medications in past 7 days

Coefficient 0.23 0.03 nc 0.11 0.37

P value .46 .86 .19 .07

aPANSS: Positive and Negative Syndrome Scale.

bBPRS: modified Brief Psychiatric Rating Scale.

cCGI-SCH: Clinical Global Impression-Schizophrenia.

dCDS: Calgary Depression Scale.

eYMRS: Young Mania Rating Scale.

fItalic values indicate significant correlation (P<.05).

gnc: the model did not converge.

hNot applicable.