Table 2.

Calculation of the increase in correct answers after the education on health given by AESLEME, for Spain as a whole and in some regions.

Data for the whole of Spain:
	Correct	Incorrect	Total
After	56,529	40,743	97,272
Before	45,005	52,226	97,272
Total	101,534	93,010	194,554
Chi-squared = 2726 p < 0.00001; OR: 1.61; 95% CI :1.58 to 1.64
Global increase in correct answers: 61% with 95% CI: 53% to 64%
Andalusia:
	Correct	Incorrect	Total
After	7499	1813	9312
Before	4862	4450	9312
Total	12,361	6263	18,624
Chi-squared = 672 p < 0.00001; OR: 3.78; 95% CI: 3.54 to 4.04
Global increase in correct answers: 278% with 95% CI: 254% to 304%
Aragon:
	Correct	Incorrect	Total
After	3475	1745	5220
Before	2672	2548	5220
Total	6047	4393	10,440
Chi-squared = 255 p < 0.00001; OR: 1.89; 95 CI: 1.75 to 2.05
The global increase in correct answers: 89% with 95% CI: 75% to 105%
Canary Islands:
	Correct	Incorrect	Total
After	15,900	14,343	30,240
Before	15,282	14,958	30,240
Total	31,182	29,298	60,480
Chi-squared = 25 p < 0.00001; OR: 1.08; 95% CI: 1.05 to 1.12
Global increase in correct answers: 8% with 95% CI: 5% to 12%

Castilla la Mancha and Madrid:
	Correct	Incorrect	Total
After	1956	420	2376
Before	1371	1005	2376
Total	3327	1425	4752
Chi-squared= 343 p < 0.00001; OR: 3.41; 95% CI: 2.99 to 3.9.
Global increase in correct answers: 241% with 95% CI: 199% to 290%
Extremadura:
	Correct	Incorrect	Total
After	5973	2067	8040
Before	4510	3530	8040
Total	10,483	5597	16,080
Chi squared= 586 p < 0.00001; OR: 2.26; 95% CI: 2.11 to 2.42
Global increase in correct answers: 126% with 95% CI: 111% to 142%
Basque Country:
	Correct	Incorrect	Total
After	21,727	20,357	42,084
Before	16,312	25,772	42,084
Total	38,039	46,129	84,168
Chi-squared = 1406 p < 0.00001; OR: 1.68; 95% CI: 1.64 to 1.73
Global increase in correct answers: 68% with 95% CI: 64% to 73%

OR odds ratio, 95% CI 95% Confidence Intervals.