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Table 3 Group comparison on psychological function at four time points (n = 660)

From: Developmental trajectories of schizotypal personality disorder-like behavioural manifestations: a two-year longitudinal prospective study of college students

 

Time point 1

F

Time point 2

F

Time point 3

F

Time point 4

F

 

Mean (SD)

 

Mean (SD)

 

Mean (SD)

 

Mean (SD)

 

PIC total scores

 

72.16

 

83.82

 

115.03

 

76.64

Low group

68.25 (15.58)a

 

68.24 (17.93)a

 

64.70 (16.36)a

 

67.92 (17.67)a

 

Medium group

84.66 (20.80)b

 

84.76 (22.27)b

 

83.44 (21.92)b

 

83.97 (21.14)b

 

High group

89.20 (22.93)b

 

100.44 (25.35)c

 

101.54 (28.19)c

 

97.42 (28.54)c

 

Total

76.50 (20.36)

 

77.39 (22.83)

 

75.10 (23.02)

 

76.67 (22.30)

 

GHQ total scores

 

78.38

 

65.70

 

97.64

 

67.49

Low group

13.77 (6.60)a

 

16.35 (7.83)a

 

15.29 (7.74)a

 

17.05 (8.47)a

 

Medium group

19.58 (9.04)b

 

22.27 (9.59)b

 

21.97 (8.76)b

 

22.48 (8.71)b

 

High group

26.76 (10.70)c

 

29.38 (11.00)c

 

31.70 (14.23)c

 

31.02 (11.99)c

 

Total

17.11 (8.92)

 

19.74 (9.67)

 

19.24 (10.00)

 

20.31 (9.73)

 

PRMQ total scores

 

36.73

 

34.48

 

50.71

 

17.58

Low group

35.99 (8.94)a

 

36.75 (9.23)a

 

35.23 (9.01)a

 

36.56 (8.55)a

 

Medium group

41.74 (9.72)b

 

42.58 (9.35)b

 

41.08 (8.47)b

 

39.70 (7.65)b

 

High group

44.02 (9.64)b

 

43.86 (10.61)b

 

45.46 (9.10)c

 

42.29 (8.24)b

 

Total

38.93 (9.81)

 

39.66 (9.85)

 

38.38 (9.44)

 

38.27 (8.38)

 

EES total scores

 

7.24

 

6.11

 

8.22

 

4.66

Low group

63.76 (10.64)a

 

63.43 (9.67)a

 

64.29 (8.38)a

 

63.83 (7.12)a

 

Medium group

60.93 (11.25)b

 

61.32 (9.95)b

 

61.75 (9.46)b

 

62.06 (7.83)b

 

High group

59.14 (11.22)b

 

59.03 (12.40)b

 

60.38 (10.22)b

 

61.96 (8.20)b

 

Total

62.26 (11.04)

 

62.24 (10.09)

 

62.96 (9.07)

 

62.97 (7.55)

 

TEPS total scores

 

0.83

 

1.20

 

0.11

 

2.15

Low group

79.28 (12.58)

 

81.77 (12.31)

 

80.03 (13.38)

 

79.03 (12.28)

 

Medium group

80.59 (13.30)

 

80.21 (13.24)

 

79.91 (13.60)

 

78.54 (13.56)

 

High group

80.52 (13.01)

 

80.47 (12.02)

 

79.09 (12.58)

 

74.94 (14.92)

 

Total

79.90 (12.91)

 

81.04 (12.68)

 

79.91 (13.39)

 

78.52 (13.05)

 

DEX total scores

   

70.00

 

117.76

 

111.25

Low group

NA

 

20.95 (8.76)a

 

17.29 (9.46)a

 

18.53 (9.52)a

 

Medium group

NA

 

27.86 (8.26)b

 

26.10 (8.42)b

 

27.03 (8.08)b

 

High group

NA

 

31.85 (7.42)c

 

33.47 (7.39)c

 

34.43 (8.94)c

 

Total

NA

 

24.58 (9.31)

 

22.09 (10.36)

 

23.19 (10.30)

 
  1. Note: Different superscript letters (a, b, c) refer to significant differences of mean scores between groups. PIC = Paranoia Checklist; GHQ = General Health Questionnaire; PRMQ = Prospective and Retrospective Memory Questionnaire; EES = Emotional Expressivity Scale; TEPS = Temporal Experience of Pleasure Scale; DEX = Dysexecutive Questionnaire. NA, not applied.