Table 2.

Measures and time points.

Time point and domains						Measure or source
						Aim 1			Aim 2			Aim 3
Time point 0: enrollment
	1. Demographic characteristics				Baseline survey; section I: demographics			Baseline survey; section I: demographics			—a
	2. Self-efficacy
		Extracting health information	Baseline survey; section II: self-efficacy				Baseline survey; section II: self-efficacy			—
		Care-seeking history	Baseline survey; section II: self-efficacy and contraceptive self-efficacy scale				Baseline survey; section II: self-efficacy and contraceptive self-efficacy scale			—
	3. Educational background
		Level of education	Baseline survey; section I: demographics				Baseline survey; section I: demographics			—
	4. Prior knowledge
		Ability to identify danger signs, birth preparedness, and complication readiness	Baseline survey; section III: birth preparedness and complication readiness				Baseline survey; section III: birth preparedness and complication readiness			—
	5. Health literacy skills			Maternal health literacy index				Maternal health literacy index			—
	6. Ecological influences			Baseline survey; section I: demographics				Baseline survey; section I: demographics			—
Time point 1: third trimester
	7. Comprehension of stimuli			Third-trimester questionnaire				Third-trimester questionnaire			—
	8. Self-determination
		Intent to use family planning and preparation for birth	Third-trimester questionnaire				Third-trimester questionnaire			—
		Two or more tetanus toxoid vaccines and completion of IPTp2b malaria prophylaxis	ANCc card				ANC card			—
Time point 2: postbirth
	9. Clinical health–related outcomes			—				—			ANC card
	10. Self-determination
		Attendance at 4 or more ANC visits	ANC card				ANC card			—
		Adherence to care	Number of ANC visits				Number of ANC visits			—
	11. Health-related behavior			—				—			Questionnaire for women who recently delivered, up to 6 weeks postpartum
	12. Clinical health–related outcomes			—				—			Questionnaire for women who recently delivered, up to 6 weeks postpartum
Time point 3: 6 months postpartum
	13. Health-related behavior			Maternal health literacy index				Maternal health literacy index			6-month postpartum survey
	14. Clinical health–related outcomes			—				—			6-month postpartum survey
Time point 4: 1 year postpartum
	15. Health-related behavior			—				—			1-year telephone survey
	16. Clinical health–related outcomes			—				—			1-year telephone survey

^aThe data collected in the domain do not contribute to the research objectives of the aim.

^bIPTp2: intermittent preventive treatment of malaria for pregnant women.

^cANC: antenatal care.