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

Table 2 Baseline differences between participants included^a in and excluded^b from the analyses.

	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/l^d	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

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.

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