The association between daily steps and health, and the mediating role of body composition: a pedometer-based, cross-sectional study in an employed South African population

Table 3 Biometric and clinical measures based on daily aerobic step time categories

Variable	N	n	No aerobic time	n	1-21 minutes/day	n	≥21 minutes/day
Weight (kg)	309	209	76.7 ± 17.5	66	76.8 ± 15.4	34	73.6 ± 15.2
BMI (kg/m²)	304	207	27.1 ± 6.1	63	26.9 ± 5.1	34	25.6 ± 4.6
% BF (%)	244	168	32.2 ± 11.6^B	49	26.2 ± 6.6^A	27	23.7 ± 5.7^A
WC (cm)	302	207	86.9 ± 14.0	63	84.0 ± 11.9	32	82.5 ± 10.6
SBP(mmHg)	296	204	121.8 ± 15.0	60	119.4 ± 12.7	32	118.4 ± 13.9
DBP (mmHg)	296	204	80.9 ± 11.4^B	60	77.4 ± 10.9^A	32	75.2 ± 13.3^A
BC (mmol/L)	250	183	4.0 ± 1.1	42	3.8 ± 0.9	25	3.7 ± 0.8
BG(mmol/L)	243	180	5.0 ± 2.1	39	4.5 ± 0.9	24	4.7 ± 1.8

Note: Values represent mean ± standard deviation, adjusted for age and gender and total steps/day.
Means with a different letter superscript indicate statistical significance between groups (P < 0.05).
BMI- body mass index.
%BF- percentage body fat.
WC- waist circumference.
SBP- systolic blood pressure.
DBP- diastolic blood pressure.
BC- blood cholesterol.
BG- blood glucose.

ISSN: 1471-2458