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Table 2 Multivariate odds ratios and confidence intervals for predictors of latent trajectory membership for the risk/need areas antisocial behaviour and family functioning (N = 5205)

From: Supervision trajectories of male juvenile offenders: growth mixture modeling on SAVRY risk assessments

Antisocial behaviour Latent class trajectories Odds ratios [confidence intervals]
Rapid escalators High persisters
Nagelkerke R2 .299   
Age at first assessment .68** [.61, .77] .99 [.94, 1.05]
Prior violent offenses
 0 (reference category) 1.00 1.00
 1 1.12 [.57, 2.61] 1.46* [1.04, 2.05]
 2–9 1.77 [.92, 3.40] 3.02** [2.30, 3.98]
 ≥ 10 4.67** [2.17, 10.05] 9.10** [6.38, 12.99]
Prior non-violent offenses
 0 (reference category) 1.00 1.00
 1 1.83* [1.19, 2.82] 1.96** [1.55, 2.47]
 2–9 2.18** [1.53, 3.11] 3.18** [2.64, 3.83]
 ≥ 10 1.11 [.42, 2.92] 8.46** [6.14, 11.66]
Previous detention 1.47 [.84, 2.59] 2.40** [1.83, 3.14]
Number of sector changes 2.52** [2.16, 2.96] 1.49** [1.36, 1.64]
Sentence > 1 year 2.20** [1.46, 3.32] 2.24** [1.88, 2.66]
  1. The “mild persisters” trajectory class serves as reference category in the Antisocial behaviour risk/need area, and the “mildly problematic” is the reference category in the Family functioning risk/need area. Previously detained = 1, not previously detained = 0. Duration sentence ≤ 1 year = 0, duration sentence > 1 year = 1
  2. Multinomial logistic regression analyses, with backwards stepwise elimination, was used to link covariates to trajectory class membership
  3. p < .05, ** p < .01
Family functioning Latent class trajectories Odds ratios [confidence intervals]
Increasingly problematic Highly problematic
Nagelkerke R2 .067   
Age at first assessment .83** [.74, .94] .97 [.92, 1.02]
Prior violent offenses
 0 (reference category) 1.00 1.00
 1 2.43* [1.02, 5.76] .91 [.69, 1.21]
 2–9 2.47* [1.12, 5.42] 1.21 [.96, 1.52]
 ≥ 10 5.35** [2.24, 12.74] 1.98** [1.44, 2.71]
Prior non-violent offenses
 0 (reference category) 1.00 1.00
 1 .98 [.59, 1.63] 1.19 [.96, 1.47]
 2–9 1.44 [.99, 2.10] 1.41** [1.18, 1.67]
 ≥ 10 1.87 [.99, 3.55] 2.19** [1.62, 2.96]
Previous detention 1.24 [.73, 2.11] 1.50** [1.16, 1.94]
Number of sector changes 1.55** [1.31–1.85] 1.11* [1.01, 1.22]
Sentence > 1 year 1.75** [1.16, 2.63] 1.36** [1.16, 1.59]
  1. The “mild persisters” trajectory class serves as reference category in the Antisocial behaviour risk/need area, and the “mildly problematic” is the reference category in the Family functioning risk/need area. Previously detained = 1, not previously detained = 0. Duration sentence ≤ 1 year = 0, duration sentence > 1 year = 1
  2. Multinomial logistic regression analyses, with backwards stepwise elimination, was used to link covariates to trajectory class membership
  3. p < .05, ** p < .01