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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: Dev Psychopathol. 2012 Aug;24(3):739–753. doi: 10.1017/S095457941200034X

Appendix Table 5.

Parameter estimates for paternal age categories from cohort analyses for non-violent crimes.

Paternal age <20 20–24 25–29 30–34 35–39 40–44 45–49 50–54 55–59 >59

Ever committing a non-violent crime Regression estimate 0.19* 0.11* 0.01* Ref. 0.03* 0.09* 0.12* 0.18* 0.21* 0.26*
Risk ratio 1.20 1.11 1.01 1 1.03 1.09 1.12 1.20 1.23 1.28

Number of non-violent crimes Regression estimate 0.18* 0.05* −0.02* Ref. 0.05* 0.11* 0.08* 0.01 0.12* 0.09*
Incidence rate ratio 1.19 1.05 0.98 1 1.05 1.12 1.08 1.02 1.13 1.10

Note: GLM-analyses for the two different outcomes adjusted for covariates (treating maternal age as categorical). Offset variable is modeled as 1 + qk*(time at risk). The estimates for “Ever committing a non-violent crime” are changes, per unit in offset, for the regression on probability for committing at least one non-violent crime using the complementary log-log link. The risk ratio is the probability of committing a non-violent offense in each age category divided by the probability in the reference category (at the reference categories of the covariates). The estimates for “Number of non-violent crimes” are changes in the regression on the intensity, per unit in offset, of non-violent criminal offenses using the log link. The incidence rate ratio is the incidence rate in each category relative to the incidence rate in the reference category.

*

p < 0.05. Ref. = reference category.