Tetanus Toxoid Immunization Status and Associated Factors among Mothers in Damboya Woreda, Kembata Tembaro Zone, SNNP, Ethiopia

Table 1

List of exposure variables to calculate sample size for associated factors.

Exposure variable	% of outcome among the unexposed group	% of outcome among the exposed group	Odds ratio (OR)	Confidence interval (%)	Power	Sample size ()	References
Maternal education (secondary and above)	41	83		95	80	50	[11]
ANC visit (2 and above)	45.3	81.9	2.14	95	80	64	[14]