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. Author manuscript; available in PMC: 2019 Mar 1.
Published in final edited form as: Nat Sustain. 2018 Sep 14;1(9):495–504. doi: 10.1038/s41893-018-0139-4

Table 1. Demographic characteristics of the population.

Residents Diggers
Control area Mining area
Number of subjects included 25 72 25
       November 2014/May 2015 10/15 43/29 15/10
Number of adults (≥14 y) 12 40 25
       Male/Female 3/9 12/28 25/0
       Age (y) mean (SD) 36.8 (15.9) 37.2 (17.9) 31.8 (6.0)
                     range 16–57 14–72 21–45
       Smokers (all men) 0 3 18
Number of children (<14 y) 13 32
       Male/Female 3/10 19/13
       Age (y) mean (SD) 8.5 (3.1) 6.2 (2.9)
                     range 3–13 1–11

Values for age are means with standard deviations (SD)