Table 5.

Impacts of severity of risk (number of people sickened or died) on AR and CAR.

		Descriptive statistics		Parametric test (high severity risk − low severity risk)		Non-parametric test (high severity risk − low severity risk)
		Low severity (n = 20)	High severity (n = 20)	F	Sig.	Mann–Whitney U test	Z	Sig.
ARn	t0	−1.020	−1.729	.147	.704	166	−.92	.358
	t1	−1.293	−.906	.324	.573	192	−.216	.829
	t2	−1.502	−1.355	.016	.901	199	−.027	.978
	t3	−.110	−.102	.000	.993	197	−.081	.935
	t4	−.307	−.616	.340	.563	186	−.379	.705
	t5	−.498	−1.368	.463	.500	172	−.757	.449
	t6	1.045	−.288	.802	.376	152	−1.298	.194
	t7	.692	−.506	2.269	.140	190	−.271	.787
	t8	.172	.041	.016	.900	180	−.541	.588
	t9	−.161	.007	.062	.804	189	−.298	.766
	t10	−.892	.195	2.557	.118	160	−1.082	.279
CAR	t0 − t1	−2.313	−2.566	.032	.860	178	−.835	.404
	t0 − t2	−3.815	−3.901	.002	.963	203	−.183	.855
	t0 − t3	−3.926	−3.994	.001	.973	183	−.704	.481
	t0 − t4	−4.234	−4.673	.040	.843	197	−.339	.735
	t0 − t5	−4.733	−6.028	.215	.645	194	−.417	.676
	t0 − t10	−3.876	−6.686	.739	.395	203	−.183	.855
	t0 − t20	−4.659	−6.838	.401	.530	210	.000	1.00
	t0 − t30	−3.491	−7.989	1.344	.253	183	−.704	.481

^*p < .05.

^**p < .01.

^***p < .001.