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Table 2 Results of the effectiveness of educational intervention on nutritional beliefs and perceptions in T2D patients

From: Effectiveness of educational intervention based on psychological factors on achieving health outcomes in patients with type 2 diabetes

Variable

Time group

Baseline mean ± SD

3-month follow-up mean ± SD

p-value*

Expected outcomes

Intervention

51.51 ± 7.87

82.91 ± 9.02

0.000

Control

49.51 ± 7.74

49.80 ± 5.24

0.775

p-value**

0.215

0.000

–

Beliefs in the effectiveness of some food stuff on neutralization of sugar intake of other ones

Intervention

54.11 ± 13.47

78.08 ± 11.66

0.000

Control

49.31 ± 14.18

51.04 ± 8.61

0.115

p-value**

0.045

0.000

–

Beliefs related to consumption rate of some food stuff

Intervention

51.20 ± 14.61

81.51 ± 13.84

0.000

Control

49.48 ± 13.83

49.65 ± 9.38

0.840

p-value**

0.472

0.000

–

Beliefs related to healthy foods

Intervention

53.36 ± 9.47

84.25 ± 9.12

0.000

Control

50.97 ± 11.22

52.29 ± 9.19

0.221

p-value**

0.342

0.000

–

Exaggerated beliefs

Intervention

69.56 ± 11.79

43.96 ± 9.16

0.000

Control

70.62 ± 11.84

70.40 ± 12.12

0.839

p-value**

0.655

0.000

–

Spiritual beliefs

Intervention

59.59 ± 14.92

80.91 ± 11.55

0.000

Control

59.46 ± 16.18

60.76 ± 12.94

0.224

p-value**

0.890

0.000

–

Self-efficacy

Intervention

47.75 ± 8.76

78.67 ± 10.15

0.000

Control

48.61 ± 8.47

49.06 ± 7.72

0.658

p-value**

0.390

0.000

–

  1. * Wilcoxon signed-rank test, ** Mann–Whitney U test