Table 3.

Multivariate logistic regression analysis results of the participants’ motivations to carry out earthquake drills on 19 September yearly.

VariableValues		Model 1			Model 2			Model 3
		B	S.E.	OR [95% CI]	B	S.E.	OR [95% CI]	B	S.E.	OR [95% CI]
Demographics:
Sex	Men Women (base)	.119	.089	1.126 [1.015–1.242]
Age	13–49 50-65 (base)	.300*	.142	1.349 [1.015–1.242]	.334*	.139	1.396 [1.063–1.834]	.312*	.139	1.366 [1.039–1.795]
Occupation	Employees Students (base)	.255**	.094	1.290 [1.074–1.551]	.236**	.092	1.266 [1.057–1.515]	1.217**	.429	3.378 [1.457–7.830]
Drills
Drill participation	Yes No (base)	.247	.167	1.280 [.922–1.776]
Frequency of drills	0/year	.255	.223	1.291 [.833–2.000]	.262	.219	1.299 [.847–1.994]	.248	.219	1.281 [.834–1.968]
	1/year	.747***	.143	2.111 [1.593–2.795]	.760***	.142	2.138 [1.619–2.824]	.775***	.142	2.128 [1.610–2.812]
	2/year	.053	.174	1.054 [.750–1.482]	.048	.171	1.049 [.750–1.468]	.047	.171	1.048 [.749–1.467]
	3/year	.648*	.301	1.912 [1.061–3.447]	.568*	.290	1.756 [.999–3.117]	.577*	.291	1.708 [1.006–3.151]
	4/year	-.387	.227	.679 [.436–1.059]	-.347	.222	.707 [.458–1.092]	-.347	.222	.707 [.458–1.092]
	6/year	.014	.104	1.014 [.827–1.245]	-.013	.103	1.013 [.828–1.241]	.015	.103	1.016 [.829–1.244]
	12/year (base)
The SASMEX
Warning time	Time varies Other (base)	.232*	.104	1.261 [1.029–1.545]	.240*	.102	1.272 [1.041–1.554]	.236*	.102	1.266 [1.036–1.548]
Usefulness SASMEX	Yes No (base)	-.253*	.125	.776 [.607-.992]	-.248*	.123	.781 [.613-.994]	-.244*	.124	.783 [.615-.998]
Earthquake knowledge
Knowledge vs drills	Yes No (base)	.323***	.089	1.382 [1.209–1.709]	.340***	.088	1.404 [1.181–1.670]	.332***	.089	1.394 [1.172–1.658]
Current knowledge	Continuous	-.038	.022	.963 [.922–1.005]
Psychological reactions
Fear 19 Sept. earthquake	Low High (base)	.077	.098	1.080 [.890–1.310]
Perception seismic risk
Perception vulnerability city	Continuous	.116*	.052	1.123 [1.015–1.242]	.103*	.051	1.108 [1.003–1.225]	.240**	.078	1.271 [1.091–1.480]
Interaction Perception vulnerability city x Occupation								-.241*	.103	.786 [.643-.961]
Constant		−1.148***	.347	.317	−1.052***	.285	.349	−1.580***	.365	.206

* = p < .05; ** = p < .01; *** = p < .001.

Summary of the final model (Model 3): -2LL = 3118.214; χ² = 83.885; df = 13; p < .001; Nagelkerke R² = 0.047; Hosmer & Lemeshow test, p = .891.