Table 1. Demographic data of the human population surveyed in 1987 and 2013 in the Bolivian Chaco.
1987 Survey | 2013 Survey | |||||
---|---|---|---|---|---|---|
Camiri | Javillo | p-value | Ivamirapinta | Bartolo | p-value | |
Sex Female N (%,95%CI) |
48 (85.7%, 76.5-95.0) | 35 (53.0%, 41.0 – 65.1) | <0.01 | 72 (53.3%, 44.9-61.7) | 45 (45.9%, 36.1-55.8) | 0.26 |
83 (68.0%, 59.8-76.3) | 117 (50.2%, 43.8 – 56.6) | <0.01 | ||||
Median age (IQR) | 16 (14-17) | 15.5 (10-30) | 0.95 | 23 (12-44) | 27 (14-43) | 0.40 |
16 (11-18) | 26 (12– 43) | <0.01 | ||||
Mean age (95% CI) | 15.6 (13.9-17.3) | 19.7 (16.1-23.1) | 28.7 (25.3-32.0) | 30.2 (26.4-33.9) | ||
17.8 (15.8-19.8) | 29.3 ( 26.8-31.8) |
N: number; IQR: interquartile range; CI: confidence intervals.