MObile Technology for Improved Family Planning Services (MOTIF): study protocol for a randomised controlled trial

Table 1 Outcome measures and methods of analysis

Outcome	Outcome measure	Method of analysis
1. Primary
Use of an effective modern method of contraception at 4 months	Self-report (binary)	Chi-squared test
	Objective^a (binary)	Chi-squared test
2. Secondary
Pregnancy	Self-report (binary) (0, 1 or more)	Chi-squared test
Pregnancy	Urine pregnancy test^a (binary)	Chi-squared test
Repeat abortion	Self-report (binary) (0, 1 or more)	Chi-squared test
Effective modern contraception use over 4-month period	Self-report (binary) (<80%, >80%)	Chi-squared test
Contraceptive discontinuation	Discontinuation after starting contraceptive method (time to event)	Kaplan-Meier survival analysis
Involvement in road traffic accident	Self-report (binary)	Chi-squared test
Domestic abuse	Self-report (binary)	Chi-squared test
3. Sensitivity and per-protocol analysis
Participants that completed follow-up	All outcomes	Chi-squared/T-test/logistic and linear regression
Clustering among participants from one clinic
Per-protocol analysis
4. Sub-group analysis	All outcomes
Age
Urban versus rural residence		Logistic/linear regression
Level of education
Socioeconomic status

Follow-up at 4 months for all participants will comprise a telephone interview conducted by a research assistant.
^aApproximately 50 participants from one clinic will be requested to attend for face-to-face follow-up for objective measurement of contraceptive outcomes.

ISSN: 1745-6215