Table 1.

Sample size determination using Open Epi menu online software program for each factor significantly associated with the outcome variables found from different literatures, 2017

Factors considered	Percent of exposed and non-exposed with outcome variable	Final sample size (with10% non-response rate)	References taken
Income status	Thinness among adolescent girls with higher family income (15.6%) and lower family income (28.8%)	334 + 334 × 10% = 369	[23]
Dietary diversity	Stunting among adolescent girls with adequate dietary diversity score (54.1%) and inadequate dietary diversity score (71.2%)	272 + 272 × 10% = 299	[24]
Income status	Stunting among adolescent girls with higher family income (6.4%) and lower family income (16.6%)	344 + 344 × 10% = 379	[23]
Diarrhea illness	Thinness among adolescent girls with diarrhea illness in the last 2 weeks (44.6%) and with no diarrhea illness (20.1%)	128 + 128 × 10% = 141	[24]
Menarche started	Stunting among adolescent girls who started menarche (< 14 years) (21.9%) and did not start menarche (> 14 years) (37.3%)	300 + 300 × 10% = 330	[8]