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Table 5 Multiple linear regression of time in specific contexts and total after school MVPA amongst boys (n = 197)

From: Who children spend time with after school: associations with objectively recorded indoor and outdoor physical activity

   Beta 95% CI t p
Outdoors On own −0.41 −13.27 12.45 −0.06 0.949
  Friend 17.53 2.76 32.31 2.34 0.020
  Brother/sister 16.95 −12.12 46.01 1.15 0.251
  Mum/dad 9.00 −6.25 24.25 1.16 0.246
  Other grown-up 8.54 −10.79 27.87 0.87 0.385
Indoors On own −0.64 −2.92 1.63 −0.56 0.579
  Friend 7.42 2.99 11.85 3.30 0.001
  Brother/sister 2.80 −0.14 5.74 1.88 0.062
  Mum/dad 1.77 −0.39 3.93 1.62 0.108
  Other grown-up 4.44 1.98 6.90 3.56 0.000
       R2 = 0.301
  1. MVPA: Moderate to vigorous physical activity.
  2. Adjusted for standardised body mass index, age, index of multiple deprivation, daylight.
  3. Beta: mean increase in minutes of MVPA for each hour spent in that context.