Table 1.
Demographic characteristics of study population
| Characteristics | Total (n = 3,209) |
EOCRC (n = 605) |
LOCRC (n = 2,604) |
p-value |
|---|---|---|---|---|
| n (%) | n (%) | n (%) | ||
| Sex | 0.5804 | |||
| Female | 1474 (45.9) | 284 (46.9) | 1190 (45.7) | |
| Male | 1735 (54.1) | 321 (53.1) | 1414 (54.3) | |
| Race | 0.3058 | |||
| Black | 861 (28.6) | 154 (26.8) | 707 (29.0) | |
| White | 2153 (71.4) | 420 (73.2) | 1733 (71.0) | |
| Marital status | < 0.0001* | |||
| Married | 1743 (55.8) | 364 (61.6) | 1379 (54.4) | |
| Divorced/widowed/separated | 744 (23.8) | 54 (9.1) | 690 (27.2) | |
| Single | 639 (20.4) | 173 (29.3) | 466 (18.4) | |
| ADI | 0.0308* | |||
| Q1 | 512 (25.8) | 112 (31.5) | 400 (24.6) | |
| Q2 | 462 (23.3) | 75 (21.1) | 387 (23.8) | |
| Q3 | 508 (25.6) | 93 (26.1) | 415 (25.5) | |
| Q4 | 500 (25.3) | 76 (21.4) | 424 (26.1) |
ADI quartiles: Q1: ≤ 52, Q2: 53–70, Q3: 71–86, and Q4: ≥ 87
Only complete observations included in the study
EOCR early-onset colorectal cancer, LOCRC late-onset colorectal cancer, ADI area deprivation index, n (%) frequency (percentages)
*Significance level was set at < 0.05