Volume 12, Number 10—October 2006
Research
Human Prion Disease and Relative Risk Associated with Chronic Wasting Disease
Table 2
Characteristics of persons who died at ages >12 years, Colorado, 1979–2001*
| CWD-endemic counties, N = 81,916 (16.18%); no. (%) | Non–CWD-endemic counties, N = 424,419 (83.82%), no. (%) | p value† | ||
|---|---|---|---|---|
| Age at death, y | <0.0001 | |||
| 12–30 | 3,419 (4.17) | 17,868 (4.21) | ||
| 31–55 | 9,367 (11.44) | 5,8379 (13.76) | ||
| 56–70 | 16,182 (19.75) | 94,684 (22.31) | ||
| >70 | 52,947 (64.64) | 253,476 (59.72) | ||
| Unknown‡ | 1 (0.00) | 12 (0.00) | ||
| Education, y | <0.0001 | |||
| Unknown‡ | 31,788 (38.81) | 167,480 (39.46) | ||
| <12 | 15,432 (18.84) | 75613 (17.82) | ||
| 12 | 16,843 (20.56) | 95,337 (22.46) | ||
| 13–16 | 13,853 (16.91) | 70,115 (16.52) | ||
| >16 | 4,000 (4.88) | 15,874 (3.74) | ||
| Sex | <0.0001 | |||
| Female | 40,665 (49.64) | 204,864 (48.27) | ||
| Male | 41,251 (50.36) | 219,554 (51.73) | ||
| Unknown§ | 1 (0.00) | |||
| ICD | 0.0002 | |||
| 1979–1998 (ICD-9) | 68,479 (83.60) | 356,978 (84.11) | ||
| 1999–2001 (ICD-10) | 13,437 (16.40) | 67,441 (15.89) | ||
| Marital status | <0.0001 | |||
| Single | 6,701 (8.18) | 40,806 (9.61) | ||
| Married | 37,430 (45.69) | 186,286 (43.89) | ||
| Divorced | 7,419 (9.06) | 48,062 (11.32) | ||
| Widowed | 30,310 (37.00) | 148,137 (34.90) | ||
| Unknown | 56 (0.07) | 1,128 (0.27) | ||
| Race | <0.0001 | |||
| White | 81,229 (99.16) | 403,351 (95.04) | ||
| Black | 213 (0.26) | 16,243 (3.83) | ||
| Other | 474 (0.58) | 4,825 (1.14) | ||
*CWD, chronic wasting disease.
†χ2 test.
‡Not recorded before 1989.
§Excluded from χ2 test.


