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Table 1 Mean ± 1 standard deviation demographics and social support and physical environment factors of Study I and Study II

From: Validity and reliability of a self-report instrument to assess social support and physical environmental correlates of physical activity in adolescents

Variable Study I (N=196) Study II (N=430)
  t1 t2  
Age (years) 12.8 ± 1.6 - 13.7 ± 1.7
Sex (boys) 109 (55.6%) - 221 (51.4%)
BMI (kg/m2) 18.8 ± 2.9 - 19.6 ± 3.4
Physical environment score (possible score range 1.00 – 4.00)
Convenience 3.23 ± 0.66 3.13 ± 0.67 3.06 ± 0.75
Public recreation facilities 2.66 ± 0.57 2.73 ± 0.61 2.66 ± 0.67
Safety 3.16 ± 0.53 3.08 ± 0.64 3.30 ± 0.51
Private sport providers 2.25 ± 0.67 2.37 ± 0.70 2.49 ± 0.72
Social support score (possible score range 1.00 – 4.00)
Parental support 2.74 ± 0.61 2.72 ± 0.68 2.92 ± 0.58
Peer support 2.86 ± 0.55 2.76 ± 0.60 2.64 ± 0.58