Table 2:
24-hour average fine particulate matter (PM2.5) and particle number concentration (PNC) among kitchens in rural Honduras
| Mean | Standard Deviation | Min | 25th Percentile | Median | 75th Percentile | Max | ||
|---|---|---|---|---|---|---|---|---|
| PM2.5 μg/m3* | All samples (n=27) | 180 | 301 | 11 | 44 | 79 | 174 | 1467 |
| Justa (n=12) | 76 | 51 | 11 | 44 | 66 | 97 | 173 | |
| Traditional (n= 15) | 263 | 386 | 23 | 48 | 130 | 250 | 1468 | |
| PNC (pt/cm3) | All samples (n=44) | 1.20E+05 | 1.00E+05 | 4.40E+02 | 3.80E+04 | 8.50E+04 | 1.80E+05 | 4.10E+05 |
| Justa (n=17) | 9.10E+04 | 6.90E+04 | 2.50E+04 | 4.00E+04 | 6.30E+04 | 1.20E+05 | 2.40E+05 | |
| Traditional (n=27) | 1.30E+05 | 1.10E+05 | 4.40E+02 | 3.30E+04 | 1.30E+05 | 2.00E+05 | 4.10E+05 | |
| Reduced dataset for 24-hour samples that had both PM2.5 and PNC | ||||||||
| Mean | Standard Deviation | Min | 25th Percentile | Median | 75th Percentile | Max | ||
| PM2.5 μg/m3* | All samples (n=24) | 124 | 164 | 11 | 41 | 70 | 142 | 805 |
| Justa (n=12) | 76 | 51 | 11 | 44 | 66 | 97 | 173 | |
| Traditional (n= 12) | 172 | 220 | 23 | 44 | 99 | 201 | 804 | |
| PNC (pt/cm3) | All Stoves (n=24) | 9.50E+04 | 7.90E+04 | 1.90E+04 | 3.80E+04 | 6.20E+04 | 1.40E+05 | 2.60E+05 |
| Justa (n=12) | 8.10E+04 | 7.10E+04 | 2.50E+04 | 3.80E+04 | 5.50E+04 | 8.50E+04 | 2.40E+05 | |
| Traditional (n=12) | 1.10E+05 | 8.60E+04 | 1.90E+04 | 3.80E+04 | 8.00E+04 | 1.60E+05 | 2.60E+05 | |
*
Corrected to gravimetric samples