TABLE 2—
Results From Longitudinal Analysis on the Proportion of Firearm Suicides in 13 Countries
Model A: Unconditional Means Model | Model B: Unconditional Growth Model | Model C: Composite Model | ||||
Estimate (SE) | P | Estimate (SE) | P | Estimate (SE) | P | |
Fixed effects | ||||||
Initial status interception) | –1.82 (.30) | > .001 | –1.63 (.30) | > .001 | .431 (.316) | .19 |
Rate of change (time 0, 1, 2) | –.198 (.07) | .017 | –.070 (.048) | .24 | ||
Suicide rate | –.033 (.015) | .052 | ||||
Proportions of households owning firearms | 1.03 (.087) | > .001 | ||||
Variance components | ||||||
Within country | .118 (.033) | > .001 | .026 (.010) | .011 | .029 (.012) | .03 |
In initial status | 1.15 (.465) | .014 | 1.14 (.457) | .012 | .089 (.050) | .08 |
In rate of change | .053 (.026) | .04 | .014 (.015) | .34 | ||
Covariance | –.010 (.077) | .89 | .031 (.031) | .32 | ||
Goodness-of-fit | ||||||
Deviance | 71.7 | 53.0 | 12.1 | |||
Akaike’s information criterion | –37.8 | –30.5 | –10.0 | |||
Bayesian information criterion | –39.5 | –33.8 | –13.1 |