Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years knowledge of contraceptions level of studies. Unidades: vertical relative figures ;Total;Illiterate;Without studies;Primary education and second grade, GBE or first year of GCSE;Secondary Education and Post-secondary non-higher;1º, 2º and intermediate technical-professional studies;Higher level technical-professional studies;First year of tertiary education;Tertiary education, university graduates and doctors; Total;100;100;100;100;100;100;100;100;100; Does not know any method;0,83;20;1,24;0,97;0,51;0,74;..;0,88;..; Knows at least one inefficient method, but any efficient method;0,03;..;..;0,03;0,07;..;..;..;..; Knows at least one efficient method;99,15;80;98,76;99,01;99,41;99,26;100;99,12;100; Knows pill;99,05;72,35;94,72;98,54;99,79;99,72;100;100;99,88; Knows IUD;91,21;30,58;69,45;87,98;94,31;93,9;100;98,56;97,2; Knows diaphragm, cap, vaginal sponge;77,83;9,24;37,9;69,63;87,02;82,46;76,2;93,44;91,7; Knows abstinence;80,89;52,38;60,86;73,18;88,47;83,53;81,57;93,44;96,04; Knows condom;98,75;87,26;97,4;98,12;99,41;99,02;100;99,73;99,93; Knows cycle and basal body temperature;58,37;3,06;22,1;47,66;64,83;63,2;67,39;84,46;81,84; Knows withdrawal;82,45;52,74;68,4;76,05;86,38;86,57;85,12;93,86;95,5; Knows vaginal wash;59,1;9,56;26,89;50,31;63,36;64,93;47,25;80,39;78,8; Knows spermicides;63,69;9,25;22,89;51,7;74,41;71,91;62,74;84,75;83,52; Knows long breastfeeding;45,6;28,2;29,53;39,5;44,44;50,65;48,72;64,19;61,45; Knows injection;52,17;14,09;35,99;49,17;49,93;55,38;53,85;67,98;60,19; Knows the morning after pill;68,8;12,44;27,76;56,94;80,66;76,63;66,55;86,21;88,86; Knows sterilization;93,91;53,8;79,72;92,18;95,25;95,86;92,91;98,15;97,75; Knows vasectomy;92,77;44,34;74,82;90,44;95,47;94,91;92,91;97,75;96,9; Knows other methods;7,98;2,3;3,03;5,97;7,9;9,32;3,99;14,06;13,3; Notas: Fuente: National Statistics Institute