Table 1 Study subjects’ general characteristics
From: Psychological effects of a disastrous hydrogen fluoride spillage on the local community
1st survey (1 month) | 2nd survey (7 months) | P-valuea | |||
|---|---|---|---|---|---|
Variable | n | (%) | n | (%) | |
Age | 0.092 | ||||
< 20 | 304 | (22.4) | 202 | (28.4) | |
20–29 | 203 | (14.9) | 108 | (15.2) | |
30–39 | 306 | (22.5) | 154 | (21.7) | |
40–49 | 260 | (19.1) | 126 | (17.7) | |
50–59 | 136 | (10.0) | 59 | (8.3) | |
60–69 | 56 | (4.1) | 24 | (3.4) | |
70–79 | 70 | (5.2) | 31 | (4.4) | |
≥ 80 | 24 | (1.8) | 7 | (1.0) | |
Gender | 0.679 | ||||
Male | 836 | (61.5) | 444 | (62.4) | |
Female | 523 | (38.5) | 267 | (37.6) | |
Population | 0.000 | ||||
Middle schoolb | 310 | (22.8) | 215 | (30.2) | |
Residentc | 220 | (16.2) | 83 | (11.7) | |
Workerd | 829 | (61.0) | 413 | (58.1) | |
Exposure level | 0.920 | ||||
Extremely low | 90 | (6.6) | 52 | (7.3) | |
Low | 463 | (34.1) | 237 | (33.3) | |
Moderate | 430 | (31.6) | 229 | (32.2) | |
High | 376 | (27.7) | 193 | (27.1) | |
Total | 1359 | (100.0) | 711 | (100.0) | |