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Table 2 Baseline differences between participants includeda in and excludedb from the analyses.

From: Comparative effectiveness of lifestyle interventions on cardiovascular risk factors among a Dutch overweight working population: A randomized controlled trial

  Included
(n = 141)
Excluded
(n = 135)
Difference
(95% CI)
p-value
Male (%) 70.2 68.1 - 0.794
Age (SD), yrs 45.2 (9.1) 42.6 (9.1) -2.6
(-4.8 to 0.4)
0.018
Body weight (SD), kg 92.2 (13.1) 94.9 (14.0) 2.8
(-0.4 to 6.0)
0.091
Height (SD), cm 176.9 (8.4) 177.8 (9.9) 0.9
(-1.3 to 3.1)
0.411
BMI (SD), kg/m2 29.4 (3.1) 30.0 (3.1) 0.6
(-0.2 to 1.3)
0.091
Highly educated (%) 63.1 50.4 - 0.039
Smoking (%≥ 1 unit/day) 12.1 15.6 - 0.485
Medication for comorbidity (%)c 13.5 15.6 - 0.607
Cardiovascular risk factors n = 141 n = 118   
Waist (SD), cm 101.5 (10.0) 102.7 (9.8) 1.1
(-1.3 to 3.6)
0.357
SSK (SD), mm 84.8 (29.7) 89.3 (25.7) 4.5
(-2.4 to 1.4)
0.198
SBP (SD), mmHg 137.1 (16.0) 133.8 (15.1) -3.3
(-7.2 to 0.5)
0.087
DBP (SD), mmHg 89.5 (10.6) 88.0 (9.7) -1.4
(-3.9 to 1.1)
0.259
TC (SD), mmol/ld 5.0 (0.9) 4.9 (0.8) -0.1
(-0.3 to 0.1)
0.334
Predicted VO2max (SD), ml/kg/min)e 37.4 (6.1) 38.1 (6.6) 0.7
(-0.9 to 2.3)
0.395
  1. Abbreviations: SD, standard deviation; BMI, body mass index; Waist, waist circumference; SSK, sum of skinfolds; SBP, systolic blood pressure; DBP, diastolic blood pressure; TC, total cholesterol; VO2max, maximal oxygen uptake, a participants with complete measurements, b participants lost to follow-up due to the lack of measurements or withdrawal from the study, c n = 138 vs. n = 126, d n = 140 vs. n = 113, e n = 137 vs. n = 108.