Table 6 Psychological profile and QoL in IBS patients with internal and external Loc before and after AEP.

From: The impact of locus of control on somatic and psychological profiles of patients with irritable bowel syndrome engaging in aerobic exercise

 

Internal LoC (N = 37)

p

Delta

External LoC (N = 17)

p

Delta

p

p

 

Before

A

After

B

A vs. B

A-B

Before

C

After

D

C vs. D

C-D

A vs. C

B vs D

SF-36

          

MCS

44.45 ± 11.52

46.90 ± 14.03

0.12

11.2%

30.57 ± 11.37

42.82 ± 07.79

0.001

56.5%*

0.0002

0.01

PCS

49.81 ± 08.87

53.29 ± 07.56

0.01

9.2%

50.32 ± 08.58

51.93 ± 07.42

0.31

4.4%*

0.77

0.40

IBS-QoL

          

Total score

79.22 ± 13.35

83.82 ± 21.32

0.01

5.5%

74.60 ± 12.04

82.25 ± 10.74

0.001

11.6%

0.16

0.16

SCL90-R

          

GSI

57.00 ± 13.59

50.78 ± 14.31

0.0005

-9.8%

75.29 ± 19.43

64.76 ± 17.42

0.003

-13%

0.0001

0.001

  1. Data are expressed as means ± DS. Delta: percentage change measure. * All differences were considered significant at p < 0.05. Mann–Whitney test compares differences between the groups at baseline (A vs. C), after AEP (B vs. D), and between Delta. Wilcoxon matched-pair signed rank test to compare data before and after AEP (A vs B and C vs D). Abbreviations: LoC, Locus of control; SF-36, 36 item Short-form health survey; MCS, Mental Component Score; IBS-QoL, Irritable bowel syndrome Quality of life; SCL-90-R, Symptom Checklist-90-Revised, GSI, Global Severity Index. SF-36:* Delta MCS p = 0.004; Delta Physical Function p = 0.03; Delta Role emotional p = 0.003; IBS-QoL: **Delta Social Reactions p = 0.004, Delta Sexuality p = 0.0001. SCL-90-R, No difference in Delta was found.
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