Table 3

The characteristics of the subjects according to age groups and as a whole (n = 730)
Age group Significance
Young (n=197) Middle age (n=388) Elderly (n=145) Overall (n=730)
Mean SD Mean SD Mean SD Mean SD
Age (years) 27.7 6.2 50.0 5.8 65.4 6.5 47.1 14.5 *, **, ***
Weight (kg) 69.2 14.8 71.4 11.7 67.2 11.5 70.0 12.7 ***
Height (cm) 169.5 6.0 167.1 6.0 164.7 6.9 167.3 6.4 *, **, ***
BMI (kg/m2) 24.0 4.5 25.5 3.9 24.8 4.0 25.0 4.1 *
Waist circumference (cm) 86.0 10.5 90.7 9.9 90.2 10.3 89.3 10.4 *, **
Median IQR Median IQR Median IQR Median IQR
Physical activity score (minutes) 120.0 178.0 87.5 180.0 90.0 149.0 90.0 180.0

Physical activity score is presented in median and interquartile range (IQR) because it is skewed.

*p < 0.05 (significant difference between young and middle-aged men); **p < 0.05 (significant difference between young and elderly men); ***p < 0.05 (significant difference between elderly and middle-aged men).

Ibrahim et al.

Ibrahim et al. BMC Public Health 2013 13:275   doi:10.1186/1471-2458-13-275

Open Data