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Table 2 Behavioural characteristics in cases and controls as a whole sample or stratified by gender

From: Prevalence of overweight in children with bone fractures: a case control study

  All children Boys Girls
  Controls N= 130 Cases N= 449 P Controls N= 83 Cases N= 292 p Controls N=47 Cases N= 157 p
Sports participation n (%) 43 (33.1) 213(47.4) 0.004 29 (34.9) 153(52.4) 0.005 14 (29.8) 60(38.2) 0.305
TV ≥ 2 hrs/day n (%) 48(36.9) 256(57.0) <0.001 35(42.2) 177(60.6) 0.003 13(27.7) 79(50.3) 0.006
Calcium intake mg/day 1137±431 1141±404 0.925 1175±436 1120±402 0.282 1069±419 1178±407 0.113
  1. Data are expressed as number (%) or mean±SD, as appropriate.
  2. The chi-squared test was used to compare proportions (sport participation, TV viewing ≥2 hours/day), while the independent sample t-test was used to compare means of daily calcium intake between case/control group.