Risk associated with mixed fuel use, versus liquid petroleum gas use only, for a given respiratory outcome in women or children in rural settings
| Author | Location | Population | Age | Outcome | OR (95% CI) |
| Behera et al16 | India | Children | 7–15 years | ARI | 4.95 (1.30 to 18.81) |
| Asthmatic bronchitis | 1.36 (0.29 to 6.43) | ||||
| Bronchitis | 0.65 (0.10 to 4.09) | ||||
| Cough | 5.27 (1.08 to 25.78) | ||||
| Wheeze | 2.02 (0.07 to 61.62) | ||||
| Mishra et al42 | India | Women | 60+ years | Asthma | 1.48 (1.12 to 1.97) |
| Mishra et al44 | India | Children | 0–3 years | ARI | 1.41 (1.17 to 1.70) |
ARI, acute respiratory infection.