Table 2. Cohen’s kappa coefficient for inter-rater agreement between data obtained from the IVR system and clinician’s report.

Variable				Agreement(%)	Cohen kappa coefficient	95% CI	P-value
IVR System	Clinician
Fever	Fever		Total	95.0	0.89	0.68–1.00	<0.001
	Yes	No
Yes	11	1	12
No	0	7	7
Total	11	8	19
Cough	Cough		Total	76.0	0.49	0.05–0.92	0.02
	Yes	No
Yes	9	2	11
No	2	4	6
Total	11	6	17
Diarrhoea	Diarrhoea		Total	87.0	0.73	0.39–1.00	0.002
	Yes	No
Yes	6	1	7
No	1	7	8
Total	7	8	15