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Table 3 Overview of baseline values and evaluation of primary dependent measures in SC and IC groups

From: Randomised controlled trial to evaluate the efficacy and usability of a computerised phone-based lifestyle coaching system for primary and secondary prevention of stroke

 

SC

IC

 

Baseline

Evaluation

Baseline

Evaluation

Parametric data

Mean (±SD)

T-test

Mean (±SD)

T-test

Systolic BP [mmHg]

139.6 (±21)

mean of diff. =0.19

145 (±19.4)

mean of diff. =−9

  

p =0.96

 

p = 0.03*

  

95 % CI = [–7.5, 7.88]

 

95 % CI = [–17.29, –0.71]

    

Cohen’s d =0.42

BMI [ kg/m2]

27 (±4.3)

mean of diff. =0.03

28 (±4.3)

mean of diff. =−0.18

  

p =0.9

 

p =0.43

  

95 % CI = [–0.49, 0.55]

 

95 % CI = [–0.65, 0.28]

Non-parametric data

Median [IQR]

Wilcoxon

Median [IQR]

Wilcoxon

HDL [ mg/dl]

57 [45, 51]

pseudo-median of diff =1.5

53 [47, 74]

pseudo-median of diff =−1.5

  

p =0.53

 

p =0.44

  

95 % CI = [–2.5, 4.5]

 

95 % CI = [–4.5, 2]

LDL [ mg/dl]

96 [71, 114]

pseudo-median of diff =−1

95 [76, 117]

pseudo-median of diff =−7.9

  

p =0.76

 

p = 0.04*

  

95 % CI = [–10.5, 6]

 

95 % CI = [–18.5, –0.5]

    

r =0.24

HbA1c [ %]

5.8 [5.6, 5.9]

pseudo-median of diff =0

5.9 [5.5, 6.25]

pseudo-median of diff =0.1

  

p =0.92

 

p =0.37

  

95 % CI = [–0.25, 0.2]

 

95 % CI = [–0.1, 0.25]

Glycaemia [ mg/dl]

98 [89, 106.75]

pseudo-median of diff =0.5

102 [92.5, 114.5]

pseudo-median of diff =2.5

  

p =0.78

 

p =0.19

  

95 % CI = [–5.5, 5]

 

95 % CI = [–2, 6]

Triglycerides [ mg/dl]

95 [73, 134.25]

pseudo-median of diff =−6

105 [78, 132.5]

pseudo-median of diff =−12.5

  

p =0.39

 

p = 0.04*

  

95 % CI = [–21, 10]

 

95 % CI = [–26, –0.5]

    

r =0.25

  1. (statistically significant values are marked in bold)