Uptake of seasonal climate forecast

Yes

No

Total

Enabling conditions

Positive/True

Ai

Bi

Ai + Bi

(Total number of subjects with positive test for each the 5 variables)

Negative/False

Ci

Di

Ci + Di

(Total number of subjects with negative test for each of the 5 variables)

Total

Ai + Ci

Bi + Di

Ai + Bi + Ci + Di