Table 1 Characteristics of cases and controls and their indexa handgun purchase, 1996–2015
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 | |||
|---|---|---|---|---|
Cases | Controls | Cases | Controls | |
Total, n (%) | 390 (100) | 1594 (100) | 512 (100) | 2288 (100) |
Characteristics of purchasers | ||||
Age at first purchaseb in years, median (IQR) | 27.6 (24.8, 32.2) | 25.9 (23.9, 29.5) | 56.0 (53.1, 60.8) | 54.6 (52.5, 58.6) |
Race/ethnicity, n (%) | ||||
Asian | 45 (11.5) | 177 (11.1) | 13 (2.5) | 95 (4.2) |
Black/African American | 22 (5.6) | 94 (5.9) | 14 (2.7) | 87 (3.8) |
Hispanic/Latinx | 65 (16.7) | 345 (21.6) | 16 (3.1) | 120 (5.2) |
Otherc | 11 (2.8) | 60 (3.8) | 16 (3.1) | 78 (3.4) |
White | 247 (63.3) | 918 (57.6) | 453 (88.5) | 1908 (83.4) |
Total number of study period purchases, median (IQR) | 1.0 (1.0, 2.0) | 1.0 (1.0, 2.0) | 1.0 (1.0, 2.0) | 1.0 (1.0, 2.0) |
Characteristics of index purchasea | ||||
Gun show purchase, n (%) | ||||
Yes | 11 (2.8) | 28 (1.8) | 9 (1.8) | 47 (2.1) |
No | 379 (97.2) | 1566 (98.2) | 503 (98.2) | 2241 (97.9) |
Transaction type, n (%) | ||||
Dealer’s record of sale | 376 (96.4) | 1539 (96.5) | 483 (94.3) | 2171 (94.9) |
Other | 14 (3.6) | 55 (3.5) | 29 (5.7) | 117 (5.1) |
Handgun category, n (%) | ||||
Revolver | 91 (23.3) | 247 (15.5) | 196 (38.3) | 750 (32.8) |
Semiautomatic | 237 (60.8) | 1128 (70.8) | 251 (49.0) | 1226 (53.6) |
Otherd | 62 (15.9) | 219 (13.7) | 65 (12.7) | 312 (13.6) |
Handgun caliber, n (%) | ||||
Small | 29 (7.4) | 153 (9.6) | 88 (17.2) | 450 (19.7) |
Medium | 181 (46.4) | 711 (44.6) | 243 (47.5) | 862 (37.7) |
Largee | 180 (46.2) | 730 (45.8) | 181 (35.4) | 976 (42.7) |
Inexpensive handgunf, n (%) | ||||
Yes | 18 (4.6) | 61 (3.8) | 19 (3.7) | 86 (3.8) |
No | 372 (95.4) | 1533 (96.2) | 493 (96.3) | 2202 (96.2) |
Time between index purchase and prior purchase, n (%) | ||||
Purchaser had only 1 purchase, or less than 2 years between index purchase and prior purchase | 350 (89.7) | 1415 (88.8) | 464 (90.6) | 2040 (89.2) |
2–4 years between index purchase and prior purchase | 27 (6.9) | 108 (6.8) | 29 (5.7) | 166 (7.3) |
5 + years between index purchase and prior purchase | 13 (3.3) | 71 (4.5) | 19 (3.7) | 82 (3.6) |
Distance to dealer in meters | ||||
Q1 | 78 (20.0) | 336 (21.1) | 116 (22.7) | 441 (19.3) |
Q2 | 84 (21.5) | 321 (20.1) | 116 (22.7) | 453 (19.8) |
Q3 | 84 (21.5) | 308 (19.3) | 104 (20.3) | 456 (19.9) |
Q4 | 68 (17.4) | 316 (19.8) | 92 (18.0) | 468 (20.5) |
Q5 | 76 (19.5) | 313 (19.6) | 84 (16.4) | 470 (20.5) |