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Table 3 Stepwise Logistic Regression Analysis with Odds for Predictors of Long Gun Use Among Firearm Suicides

From: Prevalence of long gun use in Maryland firearm suicides

VariableModel 1Model 2Model 3
OR95% CIpOR95% CIpOR95% CIp
NCHS Rurality
 Large metro (1)refrefref
 Large fringe metro (2)1.87**1.35–2.59< .0011.61*1.15–2.25.0051.49*1.06–2.09.021
 Medium metro (3)2.60**1.76–3.84< .0012.20**1.47–3.30< .0012.03**1.34–3.07< .001
 Small metro (4)2.75**1.79–4.20< .0012.00*1.29–3.12.0021.89*1.21–2.95.005
 Micropolitan (5)3.88**2.27–6.64< .0013.27**1.88–5.70< .0013.00**1.70–5.30< .001
 Noncore (6)5.28**3.17–8.79< .0014.22**2.49–7.15< .0013.74**2.19–6.40< .001
 Male   2.68**2.00–3.59< .0012.93**2.16–3.97< .001
 White   2.54**2.01–3.21< .0012.56**2.02–3.26< .001
 Age (y)   .98**.98–.99< .001.98**.98–.99< .001
 Alcohol > .08%      .98.82–1.17.834
 Hunting Season      1.18.79–1.77.423
  1. NCHS Rurality National Center for Health Statistics Urban-Rural Classification Scheme for Counties. Hunting Season includes annual weeks 49–50. N’s range from 3675 to 3931 due to occasional missing data
  2. CI confidence interval, OR odds ratio calculated by multivariate logistic regression
  3. * p < .05 ** p < .001
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