Table 1.

Summary of sample size calculation based on different predictors

Sr. No	Predictor	Odds of EBF	Frequency of unexposed group	% of CI	Power	SS cases	SS control	Sample size	10 % non-respondent	Total sample size
1	Pre-lacteal feeding	2	41.9 %	95	80	138	151	289	28.9	318
2	Place of delivery	4.5	32.1 %	95	80	33	37	70	7	77
3	Type of delivery	2.25	40 %	95	80	102	113	215	21.5	237