Table 2 Qualitative assessment
From: What are the non-food impacts of GM crop cultivation on farmers’ health?
| Coding | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
|---|---|---|---|---|---|---|---|---|---|
| ID | Huang et al. (2005) | Huang et al. (2002) | Kouser and Qaim (2011) | Kouser and Qaim (2013) | Morse and Bennett (2008) | Dev and Rao (2007) | Bennett et al. (2006) | Wang et al. (2008) | Liu (2008) |
| QA: Did the study include more than one study area (country/region within a country)? | Yes | Yes | Yes | Yes | No | Yes | No | No | Yes |
| QA: Were the farmers randomly selected? | Yes | Yes | Yes | Yes | Yes | Yes | No | Yes | Yes |
| QA: Did the study include data from more than 1 year? | Yes | Yes | Yes | No | Yes | No | Yes | Yes | No |
| QA: Did the sources of data rely on written records? | No | No | No | No | No | No | Yes | No | No |
| QA: Were there any measures in place to deal with attrition? | No | Yes | Yes | N/A | N/A | N/A | Yes | No | N/A |
| QA: Did the study test differences between GM adopters and non-GM adopters? | Yes | No | Yes | Yes | No | Yes | Yes | No | No |
| QA: Did the study test if the farmers’ use of pesticides protective measures was related to the pesticides-related poisonings? | No | No | No | No | N/A | No | Yes | N/A | No |
| QA: Did the study include confounding variables in the calculation of farmers’ income? | N/A | N/A | N/A | N/A | No | N/A | N/A | No | N/A |