Investigating the effects of climate variations on bacillary dysentery incidence in northeast China using ridge regression and hierarchical cluster analysis

Table 1 Spearman correlations between monthly incidence of bacillary dysentery and corresponding monthly meteorological factors (1950–1996, Shenyang, China)

Year	Air pressure	Average air temperature	Maximum temperature	Minimum temperature	Precipitation	Evaporation	Relative humidity
1950–1966	-0.459	0.542	0.521	0.554	0.429	0.419	0.194
1967–1976	-0.715	0.772	0.768	0.790	0.657	0.545	0.647(lag1)
1977–1986	-0.697	0.824	0.827	0.825	0.711	0.641	0.604
1987–1996	-0.750(lag1)	0.861	0.846	0.870	0.791	0.602	0.601(lag1)
1950–1996	-0.493	0.580	0.568	0.593	0.506	0.374	0.332

ISSN: 1471-2334