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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)