Associations between menstrual practices and health outcomes.

1Best estimate provided i.e. adjusted if available, otherwise unadjusted, see tables 1, 2, 3 for quality assessment; 2Authors created ‘Hygiene Index’ from composite score on scales for knowledge, attitudes and practices; 3Measure of effect not provided in paper, calculated separately by reviewers; 4Confidence interval not reported in paper and not possible to calculate from provided data; 5Unable to achieve clinical pregnancy after 12 months of unprotected sex; 6Direction of quote measure of effect converse of that quoted in paper.