Table 2 Parameter estimates, confidence intervals and P-values from the full segmented ARMAX regression models predicting mean monthly numbers of malaria cases per month in eight hospitals over time

Coefficient

2.2189

-0.0038

-0.0797

0.0251

Bungoma DGH

95% CI

-5.8433 -

-0.0185 -

-0.4578 -

0.0043 -

P-value

0.2811

0.0109

0.2985

0.0459

0.5900

0.6100

0.680

0.018

12.5782

-0.0213

-0.5247

0.0292

Kisumu DGH

Coefficient

5.7537 -

-0.0341 - -

-0.8117 - -

0.0062 -

95% CI

19.4028

0.0086

0.2377

0.0521

P-value

0.000

0.001

0.000

0.013

7.3604

-0.0125

-0.1275

0.0557

Siaya DGH

Coefficient

-7.9641 -

-0.0405 -

-0.9069 -

0.0138 -

95% CI

22.6849

0.0156

0.6519

0.0975

P-value

0.347

0.384

0.749

0.009

Highlands

2.9036

-0.0043

-0.1847

-0.0014

Kericho DGH

Coefficient

-3.1163 -

-0.0156 -

-0.5648 -

-0.0210 -

95% CI

8.9234

0.0070

0.1954

0.0182

P-value

0.344

0.457

0.341

0.888

6.10113

-0.00892

-0.59444

0.00019

Kisii DGH

Coefficient

-0.3973 -

-0.0209 -

-1.0789 - -

-0.0148 -

95% CI

12.5996

0.0031

0.1100

0.0152

P-value

0.066

0.146

0.016

0.980

Coastal

7.2789

-0.0131

-0.0382

0.0094

Kilifi DGH

Coefficient

3.3066 -

-0.0207 - -

-0.3036 -

-0.0069 -

95% CI

11.2512

0.0056

0.2272

0.0256

P-value

0.000

0.001

0.778

0.260

7.6455

-0.0134

-0.0587

0.0072

Malindi DGH

Coefficient

2.6559 -

-0.0229 - -

-0.3656 -

-0.0111 -

95% CI

12.6351

0.0040

0.2483

0.0255

P-value

0.003

0.005

0.708

0.441

Coefficient

4.3503

-0.0078

-0.1287

0.0143

Msambweni DGH

95% CI

2.7546 -

-0.0108 - -

-0.2452 - -

0.0080 -

P-value

5.9459

0.0048

0.0122

0.0206

0.000

0.000

0.030

0.000