Characteristics of the subjects included in the study
| . | . | Era . | . | |
|---|---|---|---|---|
| Variable . | All (N = 3691) . | 1973-2001 (n = 1769; 48%) . | 2002-2008 (n = 1922; 52%) . | P . |
| Gender | .07 | |||
| Female | 935 (25%) | 424 (24%) | 511 (27%) | |
| Male | 2756 (75%) | 1345 (76%) | 1411 (73%) | |
| Age* | 39 (18-56) | 35 (14-52) | 43 (22-59) | <.001 |
| Age group | <.001 | |||
| 0-19 y | 970 (26%) | 545 (31%) | 425 (22%) | |
| 20-39 y | 897 (24%) | 473 (27%) | 424 (22%) | |
| 40-59 y | 1047 (28%) | 432 (24%) | 615 (32%) | |
| 60+ y | 777 (21%) | 319 (18%) | 458 (24%) | |
| Stage | .2# | |||
| Limited | 908 (36%)† | 246 (35%)† | 662 (36%)† | |
| Advanced | 1647 (64%)† | 460 (65%)† | 1187 (64%)† | |
| Unknown | 1136 (31%) | 1063 (60%) | 73 (4%) | |
| Race | .3# | |||
| American Indian/Alaska Native | 15 (<1%) | 8 (<1%) | 7 (<1%) | |
| Asian or Pacific Islander | 278 (8%) | 125 (7%) | 153 (8%) | |
| Black | 304 (8%) | 137 (8%) | 167 (9%) | |
| White | 3074 (83%) | 1492 (84%) | 1582 (82%) | |
| Other unspecified | 2 (<1%) | 0 (0%) | 2 (<1%) | |
| Unknown | 18 (<1%) | 11 (<1%) | 7 (<1%) | |
| . | . | Era . | . | |
|---|---|---|---|---|
| Variable . | All (N = 3691) . | 1973-2001 (n = 1769; 48%) . | 2002-2008 (n = 1922; 52%) . | P . |
| Gender | .07 | |||
| Female | 935 (25%) | 424 (24%) | 511 (27%) | |
| Male | 2756 (75%) | 1345 (76%) | 1411 (73%) | |
| Age* | 39 (18-56) | 35 (14-52) | 43 (22-59) | <.001 |
| Age group | <.001 | |||
| 0-19 y | 970 (26%) | 545 (31%) | 425 (22%) | |
| 20-39 y | 897 (24%) | 473 (27%) | 424 (22%) | |
| 40-59 y | 1047 (28%) | 432 (24%) | 615 (32%) | |
| 60+ y | 777 (21%) | 319 (18%) | 458 (24%) | |
| Stage | .2# | |||
| Limited | 908 (36%)† | 246 (35%)† | 662 (36%)† | |
| Advanced | 1647 (64%)† | 460 (65%)† | 1187 (64%)† | |
| Unknown | 1136 (31%) | 1063 (60%) | 73 (4%) | |
| Race | .3# | |||
| American Indian/Alaska Native | 15 (<1%) | 8 (<1%) | 7 (<1%) | |
| Asian or Pacific Islander | 278 (8%) | 125 (7%) | 153 (8%) | |
| Black | 304 (8%) | 137 (8%) | 167 (9%) | |
| White | 3074 (83%) | 1492 (84%) | 1582 (82%) | |
| Other unspecified | 2 (<1%) | 0 (0%) | 2 (<1%) | |
| Unknown | 18 (<1%) | 11 (<1%) | 7 (<1%) | |