Ukumela impilo randomised trial: preliminary findings of height-adjustable sit-to-stand workstations on health outcomes of South African office workers

Table 2 Changes in cardiometabolic health outcomes with free-living sedentary behaviour and physical activity data

	Intervention (n = 44)	Control (n = 18)	Intervention vs. Control
	Mean change (standard deviation)	Mean change (standard deviation)	Mean change (standard deviation)	Effect size (d)	P-value
BMI (kg/m²)	-0.52 ± 2.72	0.55 ± 2.98	1.08 ± 2.80	-0.11	0.005
WC (cm)	0.07 ± 7.42	-0.06 ± 7.41	-1.32 ± 7.36	0.11	0.162
SBP (mmHg)	2.70 ± 13.33	-4.64 ± 10.55	-1.86 ± 12.83	0.06	0.258
DBP (mmHg)	-0.24 ± 9.51	0.86 ± 9.56	-1.37 ± 9.50	-0.26	0.260
RBG (mmol/L-1)	-0.40 ± 1.62	-0.72 ± 1.45	-0.80 ± 1.60	0.13	< 0.001
HbA1c (%)	0.25 ± 1.46	0.10 ± 1.03	-1.58 ± 1.51	0.08	< 0.001
TC (mmol/L^− 1)	-0.02 ± 1.02	0.15 ± 1.76	-1.32 ± 1.37	-0.11	< 0.001
Triglycerides (mmol/L^− 1)	0.10 ± 0.83	0.21 ± 1.33	-1.43 ± 1.11	0.01	< 0.001
HDL (mmol/L^− 1)	0.02 ± 0.32	0.04 ± 0.36	-1.32 ± 0.57	0.08	< 0.001
LDL (mmol/L^− 1)	0.36 ± 1.20	0.02 ± 1.45	-1.42 ± 1.59	0.11	< 0.001
Sleeping time (mins/day)	-8.89 ± 136.32	-51.39 ± 94.31	-22.52 ± 126.39	0.11	0.166
Sedentary time (mins/day)	-9.3 ± 37.13	7.66 ± 36.44	-3.08 ± 37.54	0.06	0.520
LPA (mins/day)	4.14 ± 51.04	-14.71 ± 52.3	2.62 ± 51.78	-0.26	0.691
MVPA (mins/day)	3.35 ± 20.86	6.36 ± 25.3	5.52 ± 22.10	0.13	0.054

Body Mass Index (BMI); Diastolic blood pressure (DBP); Systolic blood pressure (SBP); Waist Circumference (WC); Random blood glucose (RBG); Glycated haemoglobin (HbA1c); high-density lipoprotein cholesterol (HDL); low-density lipoprotein cholesterol (LDL); Light physical activity (LPA); Moderate or vigorous physical activity (MVPA)

ISSN: 1756-0500