| Factor | Categories |
| Religion | Christian, Muslim, “prefer not to say” | Marital status | Married, single | Place of birth | Northern, southern, eastern province, western area | Place of birth | 14 districts | Ethnicity of mother, father | Fula, Koranko, Limba, Mandingo, Mende, Susu, Temne, others | Number of siblings | Only child, 1, 2, 3, 4, 5, 6, 7, 8, 9, more than 9 | Birth order | 1 (first) through 9 (ninth) | Years to nearest sibling | Insufficient quality data for analysis | School of study | Agriculture, education, environment, health, natural resources, physics/technology, social sciences | Year of study | 1st, 2nd, 3rd, or 4th | Physical activity | Play sports (football, volleyball, running), do not play sports | Watch TV | More than 4 days/week, 3-4 days/week, 1-2 days/week, occasionally | Smoker | Yes, no | Drink alcohol | Yes (spirits, wine, beer, palm wine), no | High caffeine intake | Yes (energy drinks, caffeinated drinks, cola nuts), no | Favourite food | Cassava leaf, other leafy green vegetables, beans, “soup,” other | Food allergies and taboos | Cassava, pumpkin, lizard, pig, other | Fresh fruit consumption | More than 4 days/week, 3-4 days/week, 1-2 days/week, occasionally | Green vegetables | More than 4 days/week, 3-4 days/week, 1-2 days/week, occasionally | Number of meals per day | 1, 2, or 3 | Go to bed hungry | Sometimes, never | Go to bed bloated | Sometimes, never | General health | Very good, moderate, ok, poor | Malaria recently (3 months) | Yes, no | Stressed | Yes (money, relationships, exams, accommodation, water supply, noise), no | Number of hours of sleep | 4, 5, 6, 7, or 8 | Family deaths (last 2 years) | None, heart failure, high blood pressure, diabetes, other |
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