Table 4 Characteristics of the study population by missing or observed death times (n = 4514)
From: Survival analysis under imperfect record linkage using historic census data
Variable | Missing (n = 2074) | Observed (n = 2440) | Difference |
|---|---|---|---|
Age at census (yrs) | 24.94 ± 19.09 | 33.58 ± 20.39 | 8.64* |
Males (%) | 872 (42.1%) | 1413 (57.9%) | 16.8%* |
Non-U.S. born (%) | 372 (17.9%) | 347 (14.2%) | 3.7%* |
Race (%) | |||
 White | 1757 (84.9%) | 2191 (89.8%) | 4.9%* -4.8%* |
 Black | 311 (15.0%) | 249 (10.2%) | |
 Other | 2 (0.1%) | 0 (-) | 0.1% |
 Occ Exp (%) | 214 (10.3%) | 259 (10.6%) | 0.3% |
 ParaOcc Exp (%) | 883 (42.7%) | 752 (30.8%) | -11.8%* |