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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]

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