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 | |
---|---|---|
IRR (95% CI) | IRR (95% CI) | |
Characteristics of individuals | ||
Age at first purchaseb in years | 1.08 (1.05, 1.11) | 1.06 (1.04, 1.08) |
Race/ethnicity | ||
Asian | 0.96 (0.67, 1.37) | 0.56 (0.31, 1.01) |
Black/African American | 0.86 (0.53, 1.40) | 0.66 (0.37, 1.17) |
Hispanic/Latinx | 0.68 (0.50, 0.92) | 0.57 (0.33, 0.97) |
Otherc | 0.70 (0.36, 1.36) | 0.88 (0.51, 1.52) |
White | (ref) | (ref) |
Total number of study period purchases | 0.97 (0.93, 1.02) | 0.98 (0.95, 1.01) |
Characteristics of index purchasea | ||
Gun show purchase | ||
Yes | 1.49 (0.73, 3.04) | 0.86 (0.42, 1.76) |
No | (ref) | (ref) |
Type of purchase | ||
Dealers’ record of sale | (ref) | (ref) |
Other | 0.99 (0.54, 1.80) | 1.09 (0.72, 1.66) |
Handgun category | ||
Revolver | 1.78 (1.34, 2.36) | 1.30 (1.05, 1.60) |
Semiautomatic | (ref) | (ref) |
Otherd | 1.32 (0.94, 1.84) | 0.97 (0.71, 1.33) |
Handgun caliber | ||
Small | (ref) | (ref) |
Medium | 1.33 (0.86, 2.05) | 1.42 (1.09, 1.86) |
Largee | 1.27 (0.82, 1.96) | 0.96 (0.72, 1.27) |
Inexpensive handgunf | ||
Yes | 1.21 (0.69, 2.11) | 1.00 (0.61, 1.65) |
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 | 0.99 (0.64, 1.55) | 0.75 (0.50, 1.13) |
5 + years between index purchase and prior purchase | 0.63 (0.34, 1.17) | 1.00 (0.59, 1.68) |
Distance to dealer in meters | ||
Q1 | (ref) | (ref) |
Q2 | 1.14 (0.81, 1.62) | 0.99 (0.74, 1.33) |
Q3 | 1.15 (0.81, 1.63) | 0.87 (0.65, 1.17) |
Q4 | 0.92 (0.64, 1.32) | 0.77 (0.57, 1.05) |
Q5 | 1.02 (0.71, 1.46) | 0.69 (0.50, 0.94) |