Table 1.

Error rate by types of errors and the tools used during a survey in a demographic survey site in 2016, in Dabat, northwest Ethiopia.

Error type	Error type
	Overall asked items (N=221,106), n (%)	Paper-asked items (N=110,691), n (%)	Tablet-asked items (N=110,415a), n (%)
Missing	1620 (0.73)	1020 (0.92)	600 (0.54)
Inaccuracy	901 (0.40)	830 (0.75)	71 (0.10)
All errors	2521 (1.14)	1850 (1.67)	671 (0.60)

^aThe item difference results from the extra asked items in the paper questionnaire because of asking items that have to be skipped accordingly. This applies to other tables, too.