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Table 2 Child, parent, and Service characteristics by group at baseline

From: Impact of scheduling multiple outdoor free-play periods in childcare on child moderate-to-vigorous physical activity: a cluster randomised trial

  Intervention Control
Child characteristics
 No of childrena 161 217
 Age of child; mean (years, sd.) 3.73 (0.59) 3.80 (0.68)
 Male, n (%) 92 (57.14) 110 (50.69)
 Aboriginal and Torres Island Statusb (n, %) 17 (18.08) 21 (14.00)
 BMIb in kg/m 2, mean (sd.) 18.07 (5.10) 16.28 (2.12)
 Days per week the child usually attends, mean (sd.) 2.75 (0.92) 2.40 (0.88)
 Usual residence socio-economic area (n, %)
  Upper 50% of New South Wales 99 (61.49) 71 (33.18)
  Lower 50% of New South Wales 62 (38.51) 143 (66.82)
Parent characteristics
 Number of parentsc 95 150
 Mother (n, %) 81 (85.26) 131 (87.33
 Age 30–39 years (n, %) 54 (56.84) 80 (53.33)
 Country of birth (Australia) n,% 92 (96.84) 138 (92.00)
 Consenting parent had university qualifications, n (%) 33 (34.74) 79 (52.67)
 Parent income > $80 K per year, n (%) 55 (58.51) 107 (71.81)
 Usual physical activity (PA) (meeting national PA guidelines), n (%) 38 (40.43) 62 (41.89)
Service Characteristics
 Number of services 5 5
 Service Type; Long Day Care, n (%) 4 (80) 2 (40)
 Years of operation, mean (sd.) 19.67 (17.22) 16.35 (19.01)
 Service geographical location (n, %)
  Urban 2 (40.00) 3 (60.00)
  Rural 3 (60.00) 2 (40.00)
 Service socio-economic area (n, %)
  Upper 50% of New South Wales 2 (40.00) 1(20.00)
  Lower 50% of New South Wales 3 (60.00) 4 (80.00)
 Children aged 3–6 years enrolled – overall, mean (sd.) 54.8 (6.26) 80 (16.09)
 No of primary contact staff, mean (sd.) 2.18 (0.46) 2.75 (1.16)
 Outdoor play area in m2, mean (sd.) 634.95 (226.01) 458.00 (152.15)
 Median (min, max) 689.3 (306.44, 927.68) 467.23 (251.61, 698.79)
  1. All measured at baseline
  2. aAll children who had valid in care accelerometer data at baseline
  3. bDenominator is children who had a parent complete the baseline computer-assisted telephone interview
  4. cParents of children who had valid accelerometer data at baseline