From: Handgun purchasing characteristics and firearm suicide risk: a nested case–control study
Purchasers aged 21–25 in 1996 | Purchasers aged 50–54 in 1996 | |
---|---|---|
aIRR (95% CI) | aIRR (95% CI) | |
Characteristics of individuals | ||
Age at first purchaseb in years | 1.07 (1.04, 1.10) | 1.05 (1.03, 1.08) |
Race/ethnicity | ||
Asian | 0.92 (0.62, 1.37) | 0.48 (0.26, 0.89) |
Black/African American | 0.87 (0.50, 1.50) | 0.39 (0.21, 0.73) |
Hispanic/Latinx | 0.75 (0.53, 1.08) | 0.51 (0.29, 0.90) |
Otherc | 0.68 (0.34, 1.36) | 0.84 (0.45, 1.57) |
White | (ref) | (ref) |
Total number of study period purchases | 0.99 (0.95, 1.03) | 0.99 (0.97, 1.01) |
Characteristics of index purchasea | ||
Gun show purchase | ||
Yes | 1.83 (0.85, 3.92) | 1.09 (0.51, 2.31) |
No | (ref) | (ref) |
Type of purchase | ||
Dealers’ record of sale | (ref) | (ref) |
Other | 1.21 (0.62, 2.34) | 1.04 (0.63, 1.73) |
Handgun category | ||
Revolver | 1.78 (1.32, 2.40) | 1.36 (1.09, 1.71) |
Semiautomatic | (ref) | (ref) |
Otherd | 1.21 (0.85, 1.73) | 0.88 (0.63, 1.23) |
Handgun caliber | ||
Small | (ref) | (ref) |
Medium | 1.32 (0.83, 2.10) | 1.46 (1.10, 1.94) |
Largee | 1.19 (0.75, 1.90) | 0.91 (0.67, 1.22) |
Inexpensive handgunf | ||
Yes | 1.36 (0.74, 2.51) | 1.11 (0.64, 1.91) |
No | (ref) | (ref) |
Time between index purchase and prior purchase | ||
Purchaser had only 1 purchase, or less than 2 years between index purchase and prior purchase | (ref) | (ref) |
2–4 years between index purchase and prior purchase | 1.21 (0.76, 1.95) | 0.95 (0.62, 1.47) |
5 + years between index purchase and prior purchase | 0.80 (0.41, 1.57) | 1.39 (0.80, 2.43) |
Distance to dealer in meters | ||
Q1 | (ref) | (ref) |
Q2 | 1.14 (0.79, 1.65) | 1.01 (0.74, 1.39) |
Q3 | 1.17 (0.80, 1.69) | 0.96 (0.70, 1.31) |
Q4 | 0.87 (0.59, 1.27) | 0.85 (0.61, 1.17) |
Q5 | 0.99 (0.67, 1.46) | 0.78 (0.55, 1.10) |