Table 1.
Descriptive statistics of household characteristics for LPG and biomass fuel user groups*. [N= 70]
| Characteristics | LPG, median (IQR) [n = 35] |
Biomass, median (IQR) [n =35] |
P-value |
|---|---|---|---|
| Age of the house (years) | 15.0 (10.0-15.0) | 25.0 (20.0-30.0) | <0.001 |
| Type of house - Thatched [n, %] |
7 (20.0) | 21 (60.0) | 0.001 |
| House with mud walls and floor [n, %] |
15 (42.8) | 34 (97.1) | 0.001 |
| House with poor ventilation, Yes [n, %] |
13 (37.1) | 23 (65.7) | 0.017 |
| House having domestic animals [n, %] |
15 (42.8) | 13 (37.1) | 0.626 |
| Person Occupancy | 5 (5-6) | 6 (5-7) | 0.001 |
| Temperature (°C) | 29.6 (28.0-30.8) | 31.8 (30.0-35.2) | 0.002 |
| Relative Humidity (%) | 65.7 (60.0-73.5) | 65.7 (60.0-78.9) | 0.719 |
| Carbon Dioxide (PPM) | 950 (870-1040) | 1320 (1185-1400) | <0.001 |
| Organic Carbon (μg/m3) | 15.2 (11.7-22.4) | 35.8 (32.4-41.2) | <0.001 |
| PM10 (μg/m3) | 128.5 (120-138.2) | 320 (292.4-340) | <0.001 |
| PM2.5 (μg/m3) | 100.2 (90.5-114.5) | 285.5 (246.9-312.2) | <0.001 |
| PM1 (μg/m3) | 70.1 (52.4-80.0) | 168.6 (140.0-182.4) | <0.001 |
| Endotoxin in PM10 (EU/m3) | 92.0 (85.0-97.0) | 300.0 (280.0-325.0) | <0.001 |
| Endotoxin in PM2.5 (EU/m3) | 110.0 (100.0-120.0) | 350.0 (315.0-430.0) | <0.001 |
| Endotoxin in PM1 (EU/m3) | 22.0 (18.0-27.0) | 130.0 (107.0-160.0) | <0.001 |
*
Reported p-values are from Mann-Whitney test for differences in medians and Pearson’s chi squared tests for categorical variables. Two-sided test (p<0.05).