Table 1 Group comparisons with respect to demographic, the performance of prospective memory and ongoing tasks, eye tracking data and psychopathology in phase 1 and phase 2.

From: The deficient cue monitoring and the facilitating effect of prosocial intention on prospective memory in patients with schizophrenia spectrum disorders

 

SSDs

HCs(n = 25)

Statistics

Group1 (n = 26)

Group2 (n = 21)

Group1 vs. HCs

Group1 vs. Group2

 

N/Mean

Percent/SD

N/Mean

Percent/SD

N/Mean

Percent/SD

X2 /t/z

df

p value

X2 /t/z

df

P value

Gender(men)

14

53.8%

10

47.6%

14

56%

0.024

1

0.877

0.18

1

0.671

Age(years)

29.31

6.41

27.43

6.45

26.52

4.47

1.81

49

0.079

0.98

45

0.324

Education(years)

14.62

2.59

14.52

2.64

16.40

2.81

−1.90

–a

0.058

0.20

–a

0.845

Course of illness(years)

6.73

5.39

5.73

4.78

–

–

–

–

–

0.37

–a

0.714

Diagnosis of schizophrenia

24

92.3%

17

80.9%

–

–

–

–

–

1.35

1

0.246

PANSStot

60

11.58

54.09

12.32

–

–

–

–

–

1.69

45

0.098

PANSSpos

12.82

4.68

12.15

4.28

–

–

–

–

–

0.50

45

0.619

PANSSneg

17.80

6.49

14.95

5.07

–

–

–

–

–

1.65

45

0.106

PM-ACC

0.28

0.22

0.44

0.29

0.72

0.23

−5.16

–a

<0.001

−2.27

45

0.028

PM-RT (ms)

2056.72

539.69

2342.55

478.13

2081.04

504.40

−0.17

49

0.869

−1.90

45

0.064

OT-ACC

0.87

0.10

0.89

0.10

0.97

0.02

−4.98

–a

<0.001

−0.88

–a

0.379

OT-RT (ms)

1862.87

538.06

2204.06

403.60

2280.82

493.48

−2.89

49

0.006

−2.41

45

0.020

Total fixation counts

1.55

0.60

1.65

0.52

1.95

0.47

−2.68

–a

0.007

−0.75

–a

0.454

Total fixation duration (ms)

320.44

109.92

393.45

125.45

397.62

104.28

−2.57

49

0.013

−2.13

45

0.039

Time to first fixation (ms)

740.50

228.24

799.80

225.08

639.35

156.94

1.84

49

0.072

−0.89

45

0.378

First fixation to response (ms)

1320.16

468.61

1542.74

435.93

1441.69

488.10

−0.91

49

0.369

−1.67

45

0.102

  1. SSDs Patients with schizophrenia spectrum disorders, Group1 SDD patients with typical instructions, Group2 SDDs patients with prosocial instructions, HCs Healthy controls, PANSS Positive and Negative Syndrome Scale, PM-ACC the accuracy of PM trials, PM-RT the response time of PM trials, OT-ACC the accuracy of Ongoing trials, OT-RT the response time of Ongoing trials, Total fixation counts total fixation counts for distractor words, Total fixation duration total fixation duration for distractor words, Time to first fixation the interval between the onset of word stimuli and the first fixation within the ROI of PM cues, First fixation to response the interval between the occurrence of the first gaze within the ROI of PM cues and the response, PANSSpos Positive subscale score of the Positive and Negative Syndrome Scale, PANSSneg Negative subscale score of the Positive and Negative Syndrome Scale, PANSStot Total score of the Positive and Negative Syndrome Scale.
  2. aMann–Whitney U-test.
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