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Table 2 Differences between PBL-group and Home-sent patient information-group at baseline and one year after self-care interventions

From: The effect of problem-based learning after coronary heart disease – a randomised study in primary health care (COR-PRIM)

n = 152

Baseline PBL-group mean (SD) n = 78

Baseline Home-sent patient information-group mean (SD) n = 74

One-year follow-up PBL-group mean (SD) n = 60

One-year follow-up Home-sent

patient information-group mean (SD) n = 53

Baseline - One-year follow-up mean difference (SD)

PBL group n = 60

Baseline - One-year follow-up mean difference (SD)

Home-sent patient information-group n = 53

P-value on mean difference

SWE-CES-10

 Goal achievement and overcoming barriers to goal achievement

3.7 (0.6)

3.8 (0.7)

3.8 (0.7)

3.8 (0.6)

0.07 (0.80)

0.03 (0.64)

.772

 Self-knowledge

3.8 (1.0)

3.9 (1.0)

3.8 (1.0)

3.9 (0,9)

−0.15 (0.97)

− 0.11 (1.06)

.826

 Managing stress

3.5 (0.9)

3.4 (0.9)

3.7 (0.9)

3.5 (0.8)

0.22 (0.99)

0.08 (0.91)

.468

 Assessing dissatisfaction and readiness to change

3.5 (0.7)

3.6 (0.8)

3.7 (0.9)

3.5 (0.8)

0.20 (0.84)

0.10 (1.02)

.568

 Total

3.7 (0.5)

3.7 (0.6)

3.8 (0.7)

3.7 (0.7)

0.08 (0.54)

0.03 (0.56)

.543

EQ5D

 Mobility

1.21 (0.41)

1.27 (0.44)

1.25 (0.44)

1.25 (0.44)

0.05 (0.43)

0.00 (0.33)

.489

 Self-care

1.01 (0.12)

1.03 (0.16)

1.02 (0.13)

1.02 (0.14)

0.00 (0.00)

0.00 (0.19)

1.000

 Usual activities

1.17 (0.38)

1.16 (0.40)

1.12 (0.37)

1.11 (0.37)

−0.07 (0.41)

−0.05 (0.30)

.845

 Pain and discomfort

1.60 (0.64)

1.65 (0.56)

1.48 (0.54)

1.56 (0.54)

−0.10 (0.57)

−0.05 (0.62)

.684

 Anxiety/depression

1.51 (0.58)

1.48 (0.55)

1.35 (0.51)

1.33 (0.55)

−0.12 (0.55)

−0.11 (0.53)

.941

 Self-rated health VAS

69.36 (18.79)

72.96 (15.94)

74.68 (17.83)(n = 55)

77.05 (15.51) (n = 53)

2.40 (13.78)

3.09 (13.00)

.788

Ladder of Life

 Now

6.83 (1.98)

6.94 (1.82)

7.04 (1.59) (n = 57)

7.24 (1.94) (n = 46)

0.23 (1.40)

0.15 (1.65)

.802

 A year ago

6.69 (2.45)

6.33 (2.23)

6.73 (1.73)

6.51 (2.06)

0.19 (2.84)

0.08 (2.29)

.833

 In future one year ahead

7.67 (1.91)

7.84 (1.69)

7.60 (1.70)

7.65 (1.99)

−0.25 (1.65)

−0.26 (1.68)

.985

 General self-efficacy (GSES)

31.3 (5.50)

31.5 (4.84)

31.1 (4.65)

32.4 (4.51)

−0.1 (4.27)

1.0 (3.69)

.162

 Nutritional self-efficacy (NSES)

14.81 (3.09)

13.45 (3.88)

14.33 (3.71)

13.75 (3.39)

−0.51 (3.34)

0.04 (3.48)

.393

 Physical self-efficacy (PSES)

13.81 (3.64)

13.56 (3.92)

13.90 (3.93)

13.33 (4.42)

−0.07 (4.20)

−0.6 (3.90)

.502

 Stages of change

4.09 (1.28)

3.88 (1.34)

4.26 (1.18)

4.02 (1.28)

0.00 (0.92)

−0.02 (1.04)

.921

  1. Primary outcome: Patient empowerment measured by SWE-CES-10. Secondary out-comes: Well-being assessed by EQ5D and Ladder of life; self-efficacy assessed by GSES, NSES and PSES; physical activity assessed by Stages of Change scale. Analysis was made by intention-to-treat
  2. NSES baseline data differ between PBL and control. P = 0.010