Table 1 General characteristics of subjects
From: The association between blood cadmium level, frequency and amount of gejang (marinated crab) intake
N(%) | ||||
|---|---|---|---|---|
Characteristics | Total | Male | Female | p-value* |
Sex | 1381 (100.0) | 627 (45.4) | 754 (54.6) | |
Age (yr) | ||||
20–29 | 320 (23.2) | 155 (24.7) | 165 (21.9) | 0.709 |
30–39 | 313 (22.7) | 136 (21.7) | 177 (23.5) | |
40–49 | 303 (21.9) | 133 (21.2) | 170 (22.5) | |
50–59 | 305 (22.1) | 137 (21.9) | 168 (22.3) | |
≥60 | 140 (10.1) | 66 (10.5) | 74 (9.8) | |
Education | ||||
Middle school or less | 252 (18.3) | 94 (15.0) | 158 (21.0) | 0.015 |
High school | 579 (41.9) | 270 (43.1) | 309 (41.0) | |
College or more | 549 (39.8) | 263 (41.9) | 286 (38.0) | |
Incomea | ||||
Low | 344 (25.0) | 156 (24.9) | 188 (25.0) | 0.854 |
Mid-low | 344 (25.0) | 163 (26.0) | 181 (24.1) | |
Mid-high | 345 (25.0) | 154 (24.6) | 191 (25.4) | |
High | 345 (25.0) | 153 (24.5) | 192 (25.5) | |
Smoking | ||||
Never | 837 (60.6) | 164 (26.2) | 673 (89.3) | <0.001 |
Former | 224 (16.2) | 192 (30.6) | 32 (4.2) | |
Current | 320 (23.2) | 271 (43.2) | 49 (6.5) | |
Alcohol consumption (n) | ||||
Never | 186 (14.5) | 60 (9.8) | 126 (18.8) | <0.001 |
≤1/month | 418 (32.6) | 130 (21.2) | 288 (43.0) | |
2-4/month | 383 (29.8) | 207 (33.8) | 176 (26.3) | |
≥1/week | 296 (23.1) | 216 (35.2) | 80 (11.9) | |