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. 2009 Jul 29;11(3):e27. doi: 10.2196/jmir.1139

Table 2.

Baseline characteristics of total sample, PAM intervention group, and control group

Characteristic Total
(n = 102)
PAM
(n = 51)
Control
(n = 51)
Demographics
   Mean age in years ± SD 31.8 ± 3.5 32.5 ± 3.4 31.2 ± 3.5a
   Female (%) 60 61 59
   Highly educated (%) 65 63 67
   Familiar with PA recommendations (%) 63 59 67
   Compliance with PA recommendations (%) 67 69 65
Determinants of participating in sports (mean ± SD)b
   Attitude 4.25 ± 0.69 4.30 ± 0.75 4.25 ± 0.64
   Self-efficacy 3.34 ± 0.71 3.22 ± 0.70 3.45 ± 0.71
   Intention 3.44 ± 1.23 3.10 ± 1.20 3.78 ± 1.19a
Awareness of compliance with recommendations (%)
   Realist inadequate 23 23 23
   Underestimator 27 27 27
   Overestimator 10 11 9
   Realist adequate 40 39 41
Awareness of sports participation (%)
   Realist inadequate 62 59 65
   Underestimator 3 6 0
   Overestimator 27 31 23
   Realist adequate 8 4 12
Aerobic fitness (mean ± SD)
   VO2max (mL O2/kg/min) 41.4 ± 7.5 41.7 ± 8.4 41.2 ± 6.7
Body composition (mean ± SD)
   Weight (kg) 77.7 ± 14.6 79.0 ± 15.6 76.5 ± 13.6
   BMI (kg/m2) 25.2 ± 4.1 25.9 ± 4.5 24.4 ± 3.5
   Sum of skin folds (mm) 65.3 ± 31.6 69.4 ± 36.2 61.2 ± 25.8
   Body fat (%) 27.1 ± 7.6 27.9 ± 8.0 26.4 ± 7.2
   Waist circumference (cm) 85.4 ± 11.6 86.4 ± 11.9 84.5 ± 11.4

aDifference at baseline between intervention and control group (P< .05).

bAssessed on a 5-point Likert scale.