Table 1

Bivariate associations of cocaine only, opiate only, and both cocaine and opiate overdose deaths among all accidental drug overdose decedents ages 15–64, New York City, 1990–2000*


Total
Cocaine only overdose deaths
Opiate only overdose deaths
Opiate and cocaine overdose deaths
Characteristics
N
%
N
%
p-value
N
%
p-value
N
%
p-value

Total
8774
100.0
2392
27.3
---
2825
32.2
---
3557
40.5
---
Sex











     Female
1807
20.6
630
34.9
<0.001
478
26.5
<0.001
699
38.7
0.071
     Male
6967
79.4
1762
25.3

2347
33.7

2858
41.0

Race/ethnicity











     White
2948
33.6
486
16.5
<0.001
1242
42.1
<0.001
1220
41.4
<0.001
     Black
3234
36.9
1348
41.7

671
20.7

1215
37.6

     Hispanic
2592
29.5
558
21.5

912
35.2

1122
43.3

Age











     15–24
419
4.8
70
16.7
<0.001
170
40.6
<0.001
179
42.7
<0.001
     25–34
2369
27.0
573
24.2

704
29.7

1092
46.1

     35–44
3788
43.2
977
25.8

1242
32.8

1569
41.4

     45–54
1834
20.9
602
32.8

609
33.2

623
34.0

     55–64
364
4.1
170
46.7

100
27.5

94
25.8

Borough of death











     Manhattan
2798
32.0
769
27.5
0.085
783
28.0
<0.001
1246
44.5
<0.001
     Bronx
2110
24.1
579
27.4

641
30.4

890
42.2

     Brooklyn
2391
27.3
684
28.6

850
35.5

857
35.8

     Queens
1273
14.6
311
24.4

469
36.8

493
38.7

     Staten Island
176
2.0
49
27.8

82
46.6

71
40.3

Cannabis detected











     no
8076
92.0
2248
27.8
<0.001
2602
32.2
0.880
3226
39.9
<0.001
     yes
698
8.0
144
20.6

223
31.9

331
47.4

Alcohol detected











     no
5070
57.8
1663
32.8
<0.001
1460
28.8
<0.001
1947
38.4
<0.001
     yes
3704
42.2
729
0.2

1365
36.9

1610
43.5

Place of OD episode











     Other inside
1122
13.4
257
22.9
<0.001
363
32.4
0.002
502
44.7
0.015
     Residence
6359
75.7
1697
26.7

2109
33.2

2553
40.1

     Outside
918
10.9
291
31.7

250
27.2

377
41.1

Day of the week











     Monday-Thursday
4647
53.0
1306
28.1
0.061
1484
31.9
0.586
1857
40.0
0.240
     Friday-Sunday
4127
47.0
1086
26.3

1341
32.5

1700
41.2

Year of death











     1990
506
5.8
148
29.2
<0.001
155
30.6
<0.001
203
40.1
<0.001
     1991
708
8.1
247
34.9

184
26.0

277
39.1

     1992
772
8.8
233
30.2

210
27.2

329
42.6

     1993
1014
11.6
241
23.8

288
28.4

485
47.8

     1994
994
11.3
283
28.5

266
26.8

445
44.8

     1995
979
11.2
231
23.6

317
32.4

431
44.0

     1996
852
9.7
250
29.3

290
34.0

312
36.6

     1997
806
9.2
219
27.2

314
39.0

273
33.9

     1998
737
8.4
193
26.2

251
34.1

293
39.8

     1999
651
7.4
169
26.0

247
37.9

235
36.1

     2000
755
8.6
178
23.6

303
40.1

274
36.3


*analysis restricted to decedents with opiates-only, cocaine only, and both opiates and cocaine detected

Bernstein et al. BMC Public Health 2007 7:31   doi:10.1186/1471-2458-7-31