Table 1. Description of exploratory variables considered in the study.

Variable	Variable description and/or categorization
Age	Classified as: 15–19 20–24, 25–34, 35–49
Education	Never attended, Primary, Secondary/higher
Parity	Classified as: 0 children, 1–2 children, 3+ children
Method type	Categorized as: long-acting and short-acting
Wealth	Household wealth quintile (lowest to highest)
Media exposure†	Exposure to family planning information disseminated through media
Method source	Source of method (hospital, health post, health center, pharmacy, other)
Residence	Place of residence: urban, rural
Region	Tigray, Amhara, Oromia, SNNP, Addis Ababa, Other‡
Survey year¶	Survey year considered as categorical variable

^† Composite variable constructed using YES or NO question: have you heard/seen or received message about family planning from radio, TV, newspaper or magazine, social media, text message on mobile.

^‡ Other regions represents the six small regions, namely Afar, Somali, B-Gumuz, Gambella, Harari and Dire Dawa.

^¶ Round 1 and 2 surveys were done in 2014.