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 |
Objectivea (binary) | ||
2. Secondary | ||
Pregnancy | Self-report (binary) (0, 1 or more) | Chi-squared test |
Urine pregnancy testa (binary) | ||
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 |