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Table 1 Outcome variables and analysis methods

From: Using automated voice messages linked to telephone counselling to increase post-menstrual regulation contraceptive uptake and continuation in Bangladesh: study protocol for a randomised controlled trial

Outcome

Questionnaire

Outcome measure

Method of analysis

Primary

 LARC use

Baseline, 2-week, 4-month & 12-month

Self-reported (binary)

Logistic regression

Secondary

 Use of any modern contraceptive

Baseline, 2-week, 4-month & 12-month

Self-reported (binary)

Logistic regression

 Pregnancy

4-month & 12-month

Self-reported (binary)

Logistic regression

 MR

4-month & 12-month

Self-reported (binary)

Logistic regression

 Discontinuation/ Method switching

2 week, 4-month & 12-month

Self-reported (#of times, continuous)

Log Rank test Kaplan Meier Curves

 Experience of violence

4-month and 12 month

Self-reported (binary)

Logistic regression