Table 2 Summary of samples characteristics

Sample size

< 100

13 (18.0)

100-300

38 (52.8)

300-500

12 (16.7)

≥ 500

9 (12.5)

Gender

Women only

11 (15.3)

Men only

1 (1.4)

Men and Women – Combined

46 (63.9)

Men and Women – Separately

14 (19.4)

Location

Western countries

70 (97.2)

Non-western countries

2 (2.8)

Mean age, years

≤24

21 (29.2)

25-44

28 (38.8)

45-64

22 (30.6)

≥ 65

1 (1.4)

Design

Cross-Sectional

45 (62.5)

Longitudinal – Observational

16 (22.2)

Longitudinal – Experimental

9 (12.5)

Mixed Method

2 (2.8)

Exercise Data Collection

Self-reported Exercise

56 (77.8)

Exercise Stages of Change

13 (18.1)

Accelerometry/pedometry

4 (5.6)

Other*

6 (8.3)

Total K

72