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Table 1 Case report forms (CRFs) for the longitudinal cohort study

From: Development of a data collection and management system in West Africa: challenges and sustainability

CRF # and Title

Information obtained

Treatment, Other Data

CRF 1: Screening and enrollment of cohort participants

Village, Age, Physical Exam, Thick Blood Smear, House #

Chronic Illness with Current Medications, Informed Consent

CRF 2: Passive case detection for malarial disease

Census or Study ID #, Date of Visit, Symptoms, Smear

Smear and HRP2-based RDT, Treatment provided for Positives

CRF 3: Microscopy: thick and thin blood smears

Census or Study ID #, Slide Number, Visit Date

Slide Readings and Dates, Microscopist’s Initials

CRF 4: Household and malaria control questionnaire

Census, Household ID #, Questionnaire Responses

Recent IRS, # of Bed Nets, use of Nets and People in the House

CRF 4a: Household questionnaire subform nets

Census, Household ID #, Net Type, Number of ITNs

Net Source, Cost and dipping, Persons sleeping under net(s)

CRF 5: Adult questionnaire

Census, Household ID #, Knowledge about Malaria

Education, Occupation, Malaria Prevention Strategies used

CRF 5a: Adult fever questionnaire subform fever

When did the illness occur? Diagnosis, Treatment

Response to Treatment, Hx of Travel and Bed Net use

CRF 6: Mothers with children < 5 years of age

Census, Household ID #, Hx of Malaria in pregnancy

Treatment of Malaria during previous pregnancies,

CRF 6a: Mothers with children < 5 years of age who have had fever

Mother, Child Census ID #, Diagnosis, Treatment dates

Treatment prescribed, Time to treatment and dosing

CRF 7: Study termination

Reason for Termination: withdrawal, completion, loss

Losses to follow-up: moving, refusals, treatment failure

CRF 8: Chemistry (EDTA) tube tracking for lab testing

Was venous blood obtained for laboratory studies?

Red cell pellet, plasma samples obtained, tested and stored

CRF 9: Twice-yearly follow-up of participants in the longitudinal cohort Study

Census and Study ID #, Hx of malarial illness with a positive smear or RDT,

Diagnosis and treatment: RDT and smear results, clinical response to treatment

  1. RDT Rapid diagnostic test