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: 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;0,39;2,08;46,75;17,64;15,63;0,4;7,37;9,74; Does not know any method;100;9,37;3,12;54,69;10,94;14,06;..;7,81;..; Knows at least one inefficient method, but any efficient method;100;..;..;50;50;..;..;..;..; Knows at least one efficient method;100;0,31;2,07;46,69;17,69;15,64;0,4;7,37;9,83; Knows pill;100;0,19;1,8;46,55;19,52;16,03;0,38;6,28;9,25; Knows IUD;100;0,09;1,43;45,13;20,04;16,39;0,42;6,72;9,78; Knows diaphragm, cap, vaginal sponge;100;0,03;0,92;41,86;21,67;16,87;0,37;7,47;10,81; Knows abstinence;100;0,16;1,41;42,33;21,19;16,44;0,38;7,19;10,89; Knows condom;100;0,22;1,85;46,49;19,51;15,97;0,39;6,28;9,29; Knows cycle and basal body temperature;100;0,01;0,71;38,21;21,52;17,24;0,44;9;12,86; Knows withdrawal;100;0,16;1,56;43,16;20,3;16,72;0,39;7,08;10,63; Knows vaginal wash;100;0,04;0,85;39,83;20,78;17,49;0,3;8,46;12,23; Knows spermicides;100;0,04;0,68;37,98;22,64;17,98;0,38;8,28;12,03; Knows long breastfeeding;100;0,16;1,22;40,53;18,88;17,68;0,41;8,76;12,37; Knows injection;100;0,07;1,3;44,1;18,55;16,9;0,39;8,11;10,59; Knows the morning after pill;100;0,05;0,76;38,73;22,72;17,73;0,37;7,8;11,85; Knows sterilization;100;0,15;1,59;45,93;19,65;16,25;0,38;6,5;9,55; Knows vasectomy;100;0,12;1,52;45,61;19,94;16,29;0,38;6,56;9,58; Knows other methods;100;0,07;0,71;35;19,18;18,59;0,19;10,96;15,29; Notas: Fuente: National Statistics Institute