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Table 1 Baseline sample descriptive statistics

From: Comparative effectiveness of school-based caries prevention: a prospective cohort study

  All (n = 8207) Exposed (n = 6584) Unexposed (n = 1623)
  mean SD mean SD mean SD
Age at exam 7.33 1.76 7.32 1.71 7.39 1.93
TOCE 2.06 2.72 2.19 2.83 1.55 2.13
  N % N % N %
Males 3840 50.87 3338 51.4 502 47.58
Previous dental care 4942 60.22 3986 60.54 956 58.9
Decay at baseline (any) 2683 32.69 2211 33.58 472 29.08
Decay at baseline (permanent teeth) 755 9.20 614 9.33 141 8.69
  1. Notes: Exposed group received primary and secondary prevention, unexposed received primary prevention only. TOCE total observed caries experience