Radius (metres) | Mean (95% CI) | SD | Median (IQR) | Skew | Kurtosis | Trimmed mean (10%) | |
Average number of IQOS/JUUL POS within a 400/1000 m radius of schools | |||||||
IQOS | 400 | 1.60 (1.53 to 1.67) | 2.42 | 1 (0–2) | 2.64 | 9.59 | 1.09 |
1000 | 8.73 (8.42 to 9.03) | 10.63 | 5 (1–12) | 2.39 | 7.45 | 6.7 | |
JUUL | 400 | 0.90 (0.85 to 0.95) | 1.80 | 0 (0–1) | 3.08 | 11.63 | 0.46 |
1000 | 5.19 (4.98 to 5.41) | 7.38 | 2 (0–8) | 2.24 | 6.34 | 3.63 | |
Distance from schools to the nearest IQOS/JUUL POS | |||||||
IQOS | -- | 954 (890 to 1018) | 2218 | 365 (206–703) | 8.2 | 118.4 | 483 |
JUUL | -- | 1535 (1459 to 1630) | 2957 | 579 (299–1544) | 6.2 | 59.8 | 917 |
POS, points of sale.