Table 3 Selection criteria for community surveys, cohort study, and patient exit interviews

Cross-sectional community survey

1) age <15 years

1) inability to locate the child

1) agreement of parents or guardians to provide informed consent

2) agreement of a child aged 8 years or older to provide assent

Cohort study

1) age <5 years

1) intention to move during the follow-up period

1) fagreement of parents or guardians to provide informed consent

1) current enrollment in another research study

Patient exit interviews

1) age <5 years

None

2) agreement of parents or guardians to provide informed consent