Table 1.

The sample size for the second objectives by using Epi Info version 7, on the prevalence of gestational diabetes mellitus among the pregnant mothers in Hadiya Zone public hospitals, Southern Ethiopia: August 2019-December 2020 (n = 470).

Variables	Assumption	Sample size
Previous cesarean section	OR = 7.5, P = 4.2%, ratio 1 : 1, power = 80%, CI = 95%	50 [1]
Family history of type II diabetes	OR = 6.2, P = 4.2%, ratio 1 : 1, power = 80%, CI = 95%	62 [1]
Previous history of spontaneous abortion	OR = 4.2, P = 4.2%, ratio 1 : 1, power = 80%, CI = 95%	114 [1]
Dietary diversity status	OR = 1.90, P = 12.8%, ratio 1 : 1, power = 80%, CI = 95%	470 [20]
MUAC	OR = 2.25, P = 12.8%, ratio 1 : 1, power = 80%, CI = 95%	438 [20]
Level of physical activity	OR = 3.36, P = 12.8%, ratio 1 : 1, power = 80%, CI = 95%	104 [20]
Family history of DM	OR = 4.03, P = 12.8%, ratio 1 : 1, power = 80%, CI = 95%	128 [20]
Antenatal depression	OR = 4.12, P = 12.8%, ratio 1 : 1, power = 80%, CI = 95%	124 [20]
Previous GDM	OR = 5.82, P = 12.8, ratio 1 : 1, power = 80, CI = 95%	76 [20]