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Table 2 Overview of parameters assessed in the planned study

From: Effects of school-based physical activity and multi-micronutrient supplementation intervention on growth, health and well-being of schoolchildren in three African countries: the KaziAfya cluster randomised controlled trial protocol with a 2 × 2 factorial design

Clinical examinations
 Disease history of children and parents/guardians
 Subjective health complaints (15 items)
 Blood pressure (SBP, DBP)
Blood testing
 Haemoglobin concentration (Hb)
 Blood lipids (TC, HDL-C, LDL-C, TG, Non-HDL, C-HDL ratio)
 Blood glucose (HbA1c)
 Micronutrient status (vitamin A, vitamin D, zinc, transferrin)
 Cytokines (IL-6)
Anthropometric measurements
 Body weight and height
 Body composition (body fat)
 Waist-to-hip ratio
 Body mass index
Parasitological examinations
 Soil-transmitted helminths (Ascaris lumbricoides, hookworm, Trichuris trichiura)
Schistosoma mansoni
Cognitive function and academic performance
 Flanker task (executive function)
 School grades
Student survey
 Socio-demographic background (sex, ethnicity, home language)
 Self-reported physical activity
 Health-related quality of life (KIDSCREEN-10)
 Perceived stress (1 item)
 School satisfaction (1 item)
 Perceived academic competence (1 item)
 Sleep (6 items)
Objective assessment of physical activity
 7-day actigraphy
Fitness testing
 20-m shuttle run test (cardiorespiratory fitness)
 Grip strength test (upper body strength)
Parental survey
 Family socioeconomic status
 Dietary intake information (food frequency questionnaire)
 Food insecurity
Other variables
 Country, school, grade, class, distance/traveling to/from school