Table 2 Differences in nutritional statusa of Bolivian women between 1994 and 1998 according to BMI

From: Changes in the nutritional status of Bolivian women 1994–1998: demographic and social predictors

  Prevalence of undernutrition in percentage (±CI) Prevalence of normal BMI in percentage (±CI) Prevalence of overweight in percentage (±CI) Prevalence of obesity in percentage (±CI)
  Survey 1994 Survey 1998 P-value Survey 1994 Survey 1998 P-value Survey 1994 Survey 1998 P-value Survey 1994 Survey 1998 P-value
Age groups (y)  
20–24 3.2 (±1.5) 0.9 (±0.7) 0.003* 71.5 (±4.0) 62.4 (±3.6) 0.001* 19.2 (±3.5) 29.3 (±3.4) <0.001* 6.0 (±2.1) 7.4 (±2.0) 0.35
25–29 2.6 (±1.3) 1.3 (±0.8) 0.094 62.8 (±4.0) 56.9 (±3.7) 0.035* 26.3 (±3.7) 34.0 (±3.5) 0.003* 8.4 (±2.3) 7.8 (±2.0) 0.70
30–34 1.2 (±1.1) 0.9 (±0.8) 0.940 62.7 (±4.7) 51.5 (±4.3) 0.001* 26.4 (±4.3) 35.2 (±4.1) 0.004* 9.7 (±2.9) 12.3 (±2.8) 0.20
35–39 1.0 (±1.1) 0.0 0.158 54.6 (±5.5) 47.7 (±4.8) 0.064 32.9 (±5.2) 40.0 (±4.7) 0.051 11.5 (±3.5) 12.3 (±3.2) 0.73
40–49 1.7 (±1.9) 0.0 0.145 58.0 (±7.3) 43.6 (±6.3) 0.004* 31.0 (±6.9) 43.6 (±6.3) 0.009* 9.2 (±4.3) 12.9 (±4.2) 0.25
Region  
High plateau 1.9 (±0.9) 0.9 (±0.6) 0.052 67.7 (±3.1) 55.8 (±2.9) <0.001* 23.2 (±2.8) 36.7 (±2.8) <0.001* 7.2 (±1.7) 6.6 (±1.5) 0.59
Low lands 4.0 (±1.7) 0.6 (±0.6) <0.001* 55.3 (±4.5) 48.9 (±3.7) 0.029* 28.0 (±4.0) 36.3 (±3.5) 0.001* 12.7 (±3.0) 14.3 (±2.6) 0.44
Valleys 0.9 (±0.7) 0.8 (±0.6) 0.878 63.1 (±3.9) 57.8 (±3.5) 0.102 28.7 (±3.7) 30.9 (±3.3) 0.373 7.4 (±2.2) 10.4 (±2.2) 0.05
Level of education  
No educat. 1.7 (±1.6) 0.0 0.081 70.1 (±5.3) 58.7 (±6.0) 0.009* 26.0 (±5.1) 37.0 (±5.6) 0.006* 2.1 (±1.6) 4.3 (±2.4) 0.264
Primary 1.7 (±0.8) 0.5 (±0.4) 0.009* 61.3 (±3.2) 52.3 (±2.9) <0.001* 26.7 (±2.9) 36.6 (±2.8) <0.001* 10.3 (±2.0) 10.6 (±1.8) 0.981
Secondary 3.4 (±1.4) 0.9 (±0.6) <0.001* 61.5 (±3.8) 53.6 (±3.3) 0.002* 25.0 (±3.3) 34.5 (±3.2) <0.001* 10.1 (±2.3) 11.0 (±2.1) 0.571
Higher 0.9 (±1.7) 2.6 (±1.9) 0.498 69.3 (±8.5) 62.5 (±5.8) 0.276 25.4 (±8.0) 26.5 (±5.2) 0.882 4.4 (±3.8) 8.5 (±3.2) 0.231
  1. aUndernutrition defined as BMI <18.5 kg/m2; normal BMI as: 18.5 kg/m2 ≤BMI ≤25 kg/m2; overweight as: 25 kg/m2 <BMI<30 kg/m2; obesity as BMI ≥30 kg/m2.
  2. *Indicates statistical significance of the χ2 test of two proportions at the 0.05 level.