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Table 2 Average number of establishments per second tertile of the Buffer with a radius of 500 m, the centroid being the residence of the pregnant woman

From: Environmental and individual factors associated with gestational weight gain

  Mean (SD) Minimum and maximum range
Buffer from healthy establishments
  1 Tercile 2.29 (1.37) 0 – 4
  2 Tercile 5.81 (0.80) 5 – 7
  3 Tercile 12.08 (9.83) 8 – 121
Buffer from unhealthy establishments
  1 Tercile 5.13 (2.59) 0 – 9
  2 Tercile 12.76 (1.88) 10 – 16
  3 Tercile 30.37 (36.29) 17—393
Buffer of mixed food establishments
  1 Tercile 3.46 (1.96) 0 – 6
  2 Tercile 9.38 (1.67) 7 – 12
  3 Tercile 24.50 (23.11) 13—174
Buffer locations available for PA practice
  1 Tercile 0.52 (0.50) 0 – 1
  2 Tercile 2.00 (0.00) 2 – 2
  3 Tercile 3.71 (0.93) 3 – 7
  1. SD standard deviation, PA physical activity
  2. Source: prepared for the purposes of this study