Table 2 Main risk factors of mortality on the day of and day after the Great East Japan Earthquake and Tsunami from logistic regression models (on the day, Mar/11/2011, N = 860) and Cox proportional hazard models (after the disaster, Mar/12/2011 to May/5/2014, N = 827)*.
On the day of the disaster (95% confidence interval) Adjusted odds ratio** | After the disaster Adjusted hazard ratio (95% confidence interval) | ||
|---|---|---|---|
(a) Environmental factor | |||
Distance from the coast | ≥2000 m | 1 | 1 |
1000–1999 m | 3.01 (0.56, 16.16) | 0.83 (0.42, 1.65) | |
500–999 m | 16.88 (4.33, 65.84) | 0.76 (0.38, 1.51) | |
0–499 m | 22.66 (5.78, 88.84) | 0.84 (0.43, 1.68) | |
(b) Physical factors | |||
Height | ≥160 cm | 1 | 1 |
150–159 cm | 2.20 (0.67, 7.19) | 1.06 (0.52, 2.17) | |
<150 cm | 2.98 (0.75, 11.84) | 1.31 (0.57, 2.97) | |
Sex | Women | 1 | 1 |
Men | 2.74 (0.77, 9.68) | 3.33 (1.44, 7.73) | |
Age | 65–69 years | 1 | 1 |
70–74 years | 2.25 (0.60, 8.44) | 3.53 (1.24, 10.03) | |
75–79 years | 5.29 (1.47, 19.04) | 3.41 (1.19, 9.80) | |
80–84 years | 2.32 (0.54, 9.98) | 4.65 (1.61, 13.46) | |
≥85 years | 5.41 (1.26, 23.16) | 10.90 (3.82, 31.10) | |
(c) Social connectedness | |||
Household | Living alone | 1 | 1 |
Co-habiting with others, but not parent(s) | 3.04 (0.47, 19.74) | 1.05 (0.54, 2.06) | |
Living with parent(s) | 6.67 (0.83, 53.71) | 0.45 (0.10, 2.12) | |
Social interactions | Not meeting any friends | 1 | 1 |
Meeting some friends | 2.06 (0.51, 8.23) | 0.46 (0.26, 0.82) | |
(d) Health conditions | |||
Depressive symptoms | Normal | 1 | 1 |
Mild | 0.79 (0.29, 2.19) | 1.39 (0.81, 2.38) | |
Moderate | 1.14 (0.29, 4.50) | 1.45 (0.65, 3.26) | |
Severe | 3.90 (1.13, 13.47) | 1.91 (0.81, 4.50) | |
Activities of daily living | Independent | 1 | 1 |
Partially disabled | 0.73 (0.18, 2.89) | 2.44 (1.30, 4.56) | |
Disabled | 0.32 (0.04, 2.64) | 2.97 (1.43, 6.14) | |
