Table 1.
Research study sites, CRONICAS Cohort Study
Setting | Degree of urbanisation | Use of biomass fuels | Outdoor air pollution | Altitude |
---|---|---|---|---|
Lima | Highly urbanised | Rare | High | Sea level |
Tumbes | Semi-urban | Highly prevalent | Low | Sea level |
Puno, urban | Urban | Rare | Low | 3825 meters above sea level |
Puno, rural | Rural | Highly prevalent | Low | 3825 meters above sea level |
Source: CRONICAS cohort study protocol[35].