Table 4 Kolmogorov–Smirnov (KS) test results, significance, and effect sizes for features that are statistically significant in at least one of the three comparisons.

From: Identifying signals associated with psychiatric illness utilizing language and images posted to Facebook

 

HV vs. MD

HV vs. SSD

MD vs. SSD

LIWC feature

KS

P value

Cohen’s d

KS

P value

Cohen’s d

KS

P value

Cohen’s d

Total pronouns

0.26

3.01E-12

0.10

0.24

2.50E-10

0.03

0.08

1.77E-01

0.07

Personal pronouns

0.23

4.47E-09

0.16

0.23

1.57E-09

0.15

0.05

6.39E-01

0.00

First person singular

0.25

1.09E-10

0.26

0.17

1.32E-05

0.17

0.08

1.61E-01

0.09

Second person

0.09

9.55E-02

0.04

0.24

6.08E-10

0.28

0.20

3.39E-07

0.31

Negation

0.35

4.26E-21

0.53

0.23

3.41E-09

0.23

0.14

7.20E-04

0.27

Adjectives

0.09

1.03E-01

0.04

0.21

3.30E-08

0.22

0.16

1.41E-04

0.17

Interrogatives

0.20

7.25E-07

0.16

0.32

1.78E-15

0.32

0.17

3.74E-05

0.17

Numerals

0.23

4.66E-09

0.53

0.15

2.30E-04

0.08

0.11

1.68E-02

0.27

Negative emotions

0.26

3.42E-12

0.41

0.14

8.70E-04

0.09

0.15

2.03E-04

0.27

Anger

0.30

0.00E + 00

0.62

0.19

1.90E-06

0.28

0.13

4.21E-03

0.36

Family

0.17

2.70E-05

0.05

0.22

7.88E-09

0.15

0.12

7.53E-03

0.25

Perception

0.07

2.27E-01

0.00

0.15

2.17E-04

0.08

0.13

2.24E-03

0.05

Biological process

0.24

2.69E-10

0.29

0.10

3.89E-02

0.11

0.18

4.71E-06

0.42

Sexual

0.27

3.65E-13

0.54

0.19

7.50E-07

0.32

0.13

3.75E-03

0.14

Informal

0.23

2.53E-09

0.28

0.33

1.78E-15

0.42

0.14

8.75E-04

0.15

Swearing

0.31

5.54E-16

0.58

0.20

4.51E-07

0.33

0.12

6.95E-03

0.25

  1. Cases that pass FDR correction (alpha = 0.01) are shown in bold.
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