Table 1.
Descriptive summary of the explanatory variables considered in the analysis.
| Value levels | Mass evacuation drills 19 September yearly?* |
|||
|---|---|---|---|---|
| Yes |
No |
Total** |
||
| n (%) | n (%) | n (%) | ||
| Demographics: | ||||
| Sex | Men | 585 (46.2) | 476 (43.2) | 1061 (44.8) |
| Women | 681 (53.8) | 626 (56.8) | 1307 (55.2) | |
| Age | 13–49 years old | 1125 (88.9) | 948 (86.0) | 2073 (87.5) |
| 50–65 years old | 141 (11.1) | 154 (14.0) | 295 (12.5) | |
| Education level | Elementary School | 111 (8.8) | 96 (8.7) | 207 (8.7) |
| High School | 775 (61.2) | 691 (62.7) | 1466 (61.9) | |
| Undergraduate | 295 (23.3) | 247 (22.4) | 543 (22.9) | |
| Postgraduate | 85 (6.7) | 68 (6.2) | 153 (6.5) | |
| Occupation | Students | 531 (41.9) | 484 (43.9) | 1015 (42.9) |
| Employee | 735 (58.1) | 618 (56.1) | 1353 (57.1) | |
| Location | CDMX | 858 (67.8) | 756 (68.6) | 1614 (68.2) |
| EDOMX | 408 (32.2) | 346 (31.4) | 754 (31.8) | |
| Earthquake experience: | ||||
| 1985 earthquake experience | Yes | 381 (30.2) | 323 (29.4) | 704 (29.8) |
| No | 882 (69.8) | 776 (70.6) | 1658 (70.2) | |
| Drills: | ||||
| Drill past participation | Yes | 1178 (93.4) | 1008 (91.9) | 2186 (92.7) |
| No | 83 (6.6) | 89 (8.1) | 172 (7.3) | |
| Frequency of drills | 0 per year | 57 (4.6) | 42 (3.9) | 99 (4.3) |
| 1 per year | 207 (16.6) | 94 (8.7) | 301 (12.9) | |
| 2 per year | 85 (6.8) | 80 (7.4) | 165 (7.1) | |
| 3 per year | 35 (2.8) | 20 (1.9) | 55 (2.4) | |
| 4 per year | 39 (3.1) | 55 (5.1) | 94 (4.0) | |
| 6 per year | 332 (26.6) | 324 (30.0) | 656 (28.2) | |
| 12 per year | 493 (39.5) | 466 (43.1) | 959 (41.2) | |
| The SASMEX: | ||||
| Knowledge warning time | Time varies | 310 (24.5) | 228 (20.7) | 538 (22.7) |
| Other | 956 (75.5) | 874 (79.3) | 1830 (77.3) | |
| Usefulness SASMEX | Yes | 168 (13.3) | 172 (15.6) | 340 (14.4) |
| No | 1097 (86.7) | 930 (84.4) | 2027 (85.6) | |
| Earthquake knowledge: | ||||
| Knowledge what to do | Yes | 979 (77.3) | 866 (78.6) | 1845 (44.8) |
| No | 287 (22.7) | 236 (21.4) | 523 (44.8) | |
| Knowledge vs. drills | Yes | 836 (66.4) | 632 (57.6) | 1468 (62.3) |
| No | 423 (33.6) | 465 (42.4) | 888 (37.7) | |
| Psychological reactions: | ||||
| Fear 19 Sept. earthquake | High | 890 (71.0) | 799 (73.4) | 1689 (72.1) |
| Low | 363 (29.0) | 290 (26.6) | 653 (27.9) | |
| Continuous variables | Mean (SD) | Mean (SD) | p | |
| Perception of seismic risk: | ||||
| Likelihood of harm | Scale (0-10) | 5.96 (2.27) | 5.98 (2.26) | .818 |
| Severity of the harm | Scale (0-10) | 7.06 (2.18) | 7.03 (2.12) | .748 |
| Perception vulnerability city | (α = .75) | 4.13 (.835) | 4.08 (.856) | .165 |
| Current knowledgea | Scale (0-10) | 5.92 (2.02) | 6.05 (1.93) | .127 |
| Negative emotionsb | (α = .67) | 3.03 (.920) | 3.05 (.856) | .550 |
| Fear 07 Sept. earthquakeb | Scale (0-10) | 4.97 (3.09) | 5.07 (3.11) | .448 |
*Total percentages in columns may not add up to 100% because of decimal rounding; only data within the outcome variable (column) is given.
**Differences in total n = 2400 are due to missing values in items.
a
Variable withing the category of Earthquake knowledge.
b
Variable within the category of Psychological reactions.