Table 2.
Multivariate regression results for all handguns
| Variable | Handgun variables | Handgun and retailer variables | Handgun, retailer, and purchaser variables | ||||||
|---|---|---|---|---|---|---|---|---|---|
| ORa | 95% CIb | p value | OR | 95% CI | p value | OR | 95% CI | p value | |
| Related to purchase | |||||||||
| Timing | |||||||||
| Same-day multiple | 1.29 | 1.03–1.56 | 0.0247 | 1.22 | 0.99–1.50 | 0.0587 | 1.29 | 0.97–1.71 | 0.0840 |
| 30-day multiple | 0.70 | 0.54–0.91 | 0.0076 | 0.72 | 0.55–0.93 | 0.0125 | 0.83 | 0.61–1.15 | 0.2610 |
| Single purchase | 1.00 | (Referent) | 1.00 | (Referent) | 1.00 | (Referent) | |||
| Related to handgun | |||||||||
| Type | |||||||||
| Derringer and single shot | 0.87 | 0.62–1.22 | 0.4106 | 0.92 | 0.65–1.29 | 0.6174 | 0.87 | 0.62–1.23 | 0.4238 |
| Semi-automatic pistol | 1.11 | 0.91–1.35 | 0.3097 | 1.08 | 0.88–1.31 | 0.4728 | 0.95 | 0.78–1.16 | 0.6162 |
| Revolver | 1.00 | (Referent) | 1.00 | (Referent) | 1.00 | (Referent) | |||
| Caliber | |||||||||
| Small | 0.59 | 0.45–0.77 | 0.0001 | 0.56 | 0.43–0.74 | <0.0001 | 0.62 | 0.47–0.82 | 0.0007 |
| Medium | 1.39 | 1.16–1.67 | 0.0005 | 1.28 | 1.06–1.54 | 0.0106 | 1.25 | 1.04–1.51 | 0.0187 |
| Large | 1.00 | (Referent) | 1.00 | (Referent) | 1.00 | (Referent) | |||
| Barrel length | |||||||||
| ≤3 in. | 1.29 | 1.08–1.54 | 0.0048 | 1.25 | 1.05–1.49 | 0.0134 | 1.30 | 1.09–1.56 | 0.0042 |
| >3 in. | 1.00 | (Referent) | 1.00 | (Referent) | 1.00 | (Referent) | |||
| Price | |||||||||
| ≤$150 | 4.25 | 3.44–5.26 | <0.0001 | 3.64 | 2.92–4.54 | <0.0001 | 3.12 | 2.50–3.90 | <0.0001 |
| >$150 | 1.00 | (Referent) | 1.00 | (Referent) | 1.00 | (Referent) | |||
| Related to retailer | |||||||||
| License type | |||||||||
| Importer or manufacturer | 1.99 | 1.46–2.71 | <0.0001 | 2.01 | 1.47–2.73 | <0.0001 | |||
| Pawnbroker | 1.56 | 1.20–2.02 | 0.0009 | 1.49 | 1.14–1.93 | 0.0032 | |||
| Gun dealer | 1.00 | (Referent) | 1.00 | (Referent) | |||||
| Within 25 mi of YCGIc city | |||||||||
| Yes | 1.70 | 1.43–2.03 | <0.0001 | 1.69 | 1.41–2.01 | <0.0001 | |||
| No | 1.00 | (Referent) | 1.00 | (Referent) | |||||
| Number of gun sales in 1996 | |||||||||
| 1,000+ | 1.79 | 1.43–2.24 | <0.0001 | 1.62 | 1.29–2.03 | <0.0001 | |||
| 250–999 | 1.69 | 1.37–2.08 | <0.0001 | 1.57 | 1.27–1.94 | <0.0001 | |||
| 1–249 | 1.00 | (Referent) | 1.00 | (Referent) | |||||
| Denials, % of sales + denials | |||||||||
| ≥2% | 3.05 | 2.48–3.76 | <0.0001 | 2.71 | 2.20–3.34 | <0.0001 | |||
| 1 to <2% | 1.59 | 1.34–1.89 | <0.0001 | 1.50 | 1.26–1.79 | <0.0001 | |||
| <1% | 1.00 | (Referent) | 1.00 | (Referent) | |||||
| Related to purchaser | |||||||||
| Gender | |||||||||
| Female | 1.50 | 1.19–1.90 | 0.0005 | ||||||
| Male | 1.00 | (Referent) | |||||||
| Age, years | |||||||||
| 21–24 | 4.01 | 3.25–4.94 | <0.0001 | ||||||
| 25–29 | 2.49 | 1.99–3.11 | <0.0001 | ||||||
| 30–39 | 1.92 | 1.57–2.35 | <0.0001 | ||||||
| 40+ | 1.00 | (Referent) | |||||||
| Safety course exemption | |||||||||
| Law enforcement | 0.53 | 0.38–0.76 | 0.0004 | ||||||
| Professional | 1.32 | 1.00–1.74 | 0.0541 | ||||||
| None | 1.00 | (Referent) | |||||||
| Number and uniformity of all handguns purchased in 1996 | |||||||||
| >1 handgun: all like this gun | 1.54 | 1.06–2.26 | 0.0250 | ||||||
| >1 handgun: some like this gun | 1.03 | 0.69–1.52 | 0.8958 | ||||||
| >1 handgun: none like this gun | 0.91 | 0.73–1.14 | 0.4104 | ||||||
| Purchased only 1 handgun | 1.00 | (Referent) | |||||||
Groups of variables were added to the model in stages: (1) related to handgun; (2) related to retailer; (3) related to purchaser. Purchase timing was included throughout.
aOdds ratio
bConfidence interval
cYouth Crime Gun Initiative