RR (95% CI) | RR* (95% CI) | |
---|---|---|
*Adjusted for unemployment and illiteracy. | ||
†Percentage of municipal land surface area devoted to this type of crop categorised in quartiles, and included in the model as continuous. | ||
‡Logarithm of the percentage of municipal land surface area devoted to this type of crop. | ||
§Percentage in the population of each town minus overall mean. | ||
¶Dichotomous variable, quartiles 3 and 4 versus 1 and 2 (reference). | ||
Non-irrigated arable land† (quartiles) | 1.041 (0.949 to 1.161) | 1.051 (0.934 to 1.208) |
Log(non-irrigated arable land)‡ | 1.046 (0.953 to 1.127) | |
Dichotomous non-irrigated arable land¶ | 1.121 (0.807 to 1.523) | |
Permanently irrigated land† (quartiles) | 1.039 (0.846 to 1.232) | 1.051 (0.881 to 1.240) |
Log(permanently irrigated land)‡ | 1.010 (0.878 to 1.168) | |
Unemployed (centred)§ | 1.006 (0.962 to 1.050) | |
Illiterates (centred)§ | 0.977 (0.848 to 1.122) | |
Dichotomous urban¶ | 1.170 (0.807 to 1.523) | |
Farmers (centred) | 1.000 (0.989 to 1.007) |