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. Author manuscript; available in PMC: 2018 Aug 1.
Published in final edited form as: J Sci Med Sport. 2017 Jan 24;20(8):751–755. doi: 10.1016/j.jsams.2016.11.019

Table 2.

Characteristics and Policies of Preschools by Centre Type and Total Sample

Characteristic Source Commercial (n = 106) Faith-Based (n = 70) Head Start (n = 53) Total Sample (n = 229)
Time spent in outdoor open space (intervals) OSRAC-P 4.01 (1.91) 4.40 (3.66) 5.26 (2.05) 4.42 (2.63)
Classroom size/child ratio (m2/child) Measured 0.13 (0.06) 0.15 (0.07) 0.17 (0.02) 0.14 (0.06)
Teacher education (percent of teachers with college degree) Director interview 32.08 (22.91) 39.83 (21.10) 18.62 (11.12) 31.26 (21.40)
Quality of preschool ECERS-R 5.03 (0.57) 5.01 (0.49) 4.89 (0.49) 5.00 (0.53)
Fixed playground equipment (number of pieces) Observation 8.75 (4.27) 8.61 (2.99) 4.85 (1.29) 7.81 (3.76)
Portable playground equipment (number of pieces) Observation 1.50 (1.53) 2.02 (2.59) 1.66 (1.07) 1.70 (1.85)
Playground size (m2) Measured and averaged over all playgrounds 541.34 (286.93) 1236.55 (1023.26) 1236.68 (375.62) 875.34 (718.46)
Field trips/month Director interview 1.22 (1.42) 1.16 (1.23) 1.06 (0.59) 1.17 (1.21)
Community organization visits/month Director interview 2.49 (1.95) 4.00 (0.00) 0.00 (0.00) 2.38 (1.97)
Minutes outside/day Director interview 78.02 (16.38) 53.14 (30.40) 30.00 (0.00) 59.30 (27.88)
Electronic media use (intervals) OSRAC-P 3.48 (3.62) 4.46 (4.07) 3.42 (3.28) 3.77 (3.70)

Note: Data by centre type and for total sample are at the child level

“Intervals” – number of observed intervals of the noted behaviour during an observation session

ECERS-R – Early Childhood Environment Rating Scale-Revised

OSRAC-P – Observation System for Recording Physical Activity in Children –Preschool version