Occurrence and seasonal variation of human Plasmodium infection in Punjab Province, Pakistan

BMC Infectious Diseases

Table 2 Negative binomial regression analysis showing effects of age, gender, species and season on incidences of malaria (N = 925 spring (March through May), summer (June through September), autumn (October through November) and winter (December through February)

Coefficients	Categories sub type	Estimate	Std. Error	Z value	Pr(>\|z\|)
Intercept		3.7987	0.2382	15.949	< 2e-16 ***
Age groups	(1–20) Years	2.1917	0.1800	12.174	< 2e-16 ***
	(21–40) Years	−0.1271	0.1496	−0.849	0.395796
	(41–60) Years	−0.9392	0.1653	−5.680	1.34e-08***
	(61–100) Year	−2.4390	0.2298	- 10.614	< 2e- 16***
Gender	Male	0.8466	0.1256	6.741	1.57e-11 ***
Species Types	*P. vivax* &*P. falciparum*	−0.8562	0.1751	−4.889	1.01e-06 ***
Species Types	*P. vivax*	1.0308	0.1410	7.311	2.65e-13 ***
Seasons	Spring	−0.5671	0.1669	−3.397	0.000681 ***
	Summer	0.3737	0.1512	2.472	0.013436 *
	Winter	−2.1374	0.2311	−9.249	< 2e-16 ***

Significant. Codes: 0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 “1
The predictor’s age, sex, species and season predicting number of incidences are significant predictors

ISSN: 1471-2334