Skip to main content

Table 2 Descriptive statistics

From: Education and micronutrient deficiencies: an ecological study exploring interactions between women’s schooling and children’s micronutrient status

Variable Number Mean (SD)
Educational attainment (2010)
 Women’s years of schooling (y)a 146 7.6 (2.8)
 Men’s years of schooling (y)a 146 8.6 (2.1)
 Women’s percentage of no schooling (%)a 146 17.6 (21.5)
 Men’s percentage of no schooling (%)a 146 11.9 (15.2)
  year % (n)
Indicators of micronutrient status across countries
 Anemia among < 5 y (hb concentration < 110 g/dL) 2012  
  Mild (prevalence 5.0–19.9%)   21.3 (30)
  Moderate (prevalence 20.0–39.9%)   46.1 (65)
  Severe (prevalence ≥40.0%)   32.6 (46)
 Anemia among non-pregnant women (hb concentration < 120 g/dL) 2012  
  Mild (prevalence 5.0–19.9%)   26.2 (37)
  Moderate (prevalence 20.0–39.9%)   60.3 (85)
  Severe (prevalence ≥40.0%)   13.5 (19)
 Vitamin A deficiency among preschool-age children (serum retinol ≤0.70 μmol/l) 2013  
  Mild (prevalence 2.0–9.9%)   32.3 (30)
  Moderate (prevalence 10.0–19.9%)   25.8 (24)
  Severe (prevalence ≥20.0%)   41.9 (39)
 Zinc deficiency risk in the population 2005  
  Low (< 15% of population at risk for inadequacy)   47.5 (66)
  Medium (15–25% of population at risk for inadequacy)   33.8 (47)
  High (> 25% of population at risk for inadequacy)   18.1 (34)
 Iodine status of countries 2012  
  Inadequate (median UIE < 100 μg/l)   20.5 (26)
  Adequate (median UIE 100–300 μg/l)   73.2 (93)
  Excessive (median UIE > 300 μg/l)   6.3 (8)
  1. a Estimates weighted by population
  2. hb hemoglobin, UIE urinary iodine excretion, y years