Skip to main content

Table 1 Characteristics of participants

From: Comparison of step-count outcomes across seven different activity trackers: a free-living experiment with young and older adults

Characteristic

Overall, N = 921

Young, N = 351

Older, N = 571

p-value2,3

Gender

   

0.993

Female

50 (54%)

19 (54%)

31 (54%)

 

Male

42 (46%)

16 (46%)

26 (46%)

 

Age, yrs

59.2 (25.7)

27.6 (6.4)

78.5 (6.8)

< 0.001

Height, cm

160.0 (9.4)

165.0 (9.5)

156.9 (8.0)

< 0.001

Weight, kg

54.4 (9.0)

56.6 (9.1)

53.0 (8.8)

0.082

BMI, kg/m2

21.2 (2.5)

20.7 (1.9)

21.5 (2.8)

0.087

Fat mass, kg

12.5 (4.4)

12.3 (4.4)

12.7 (4.4)

0.627

%fat, %

23.0 (7.2)

21.8 (7.5)

23.7 (7.0)

0.245

Fat free mass, kg

41.9 (8.0)

44.3 (9.0)

40.4 (7.1)

0.036

Skeletal muscle mass, kg

39.6 (7.7)

41.9 (8.6)

38.2 (6.7)

0.038

  1. 1n (%); Mean (SD)
  2. 2Pearson’s Chi-squared test; Wilcoxon rank sum test
  3. 3Significantly different older versus younger participants