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Time spent outdoors (h) per day, according to data set and age group, in summer months (based on Potischman et al. 2020).
| Data Set | In uteroa | Newborna | 1–2 y | 3–7 y | 8–12 y | 13–17 y | Adult |
|---|---|---|---|---|---|---|---|
| A | 9 | 9 | 10.5 | 9.3 | 8.3 | 8.4 | 9 |
| B | 9 | 9 | 10.5 | 9.3 | 8.3 | 8.4 | 9 |
| C | 2 | 2 | 13 | 13 | 13 | 8.6 | 2 |
| D | 5 | 5 | 5 | 6.2 | 7.6 | 7.1 | 5 |
| E | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Fb | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
aThe values for “in utero” and “newborn” are taken to be the same as those for the adult.
bIn addition, 85% of the people in this data set slept on the roof at night.
