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Table 2 Determining number of groups for total participants

From: Group-based physical activity trajectories in children transitioning from elementary to high school

  1 Group 2 Groups 1 vs 2* 3 Groups 2 vs 3* 4 Groups 3 vs 4*
BIC BIC %
per group
2∆BIC BIC %
per group
2∆BIC BIC %
per group
2∆BIC
Total PA − 6460 − 6320 53.8 46.2 278.2 − 6259 4.9 40.5 54.7 124.2 − 6234 6.2 2.3 35.8 55.6 49.6
  1. Notes
  2. 1. BIC = Bayesian information criterion, smaller is better
  3. 2. * Comparision between groups; Interpretation of 2∆BIC = estimate of 2loge (B10) [18]. Evidence against simpler model: 0–2 = not worth mentioning; 2–6 = Positive; 6–10 = Strong; > 10 = Very strong