Encuesta de Fecundidad Knowledge and use of contraceptions. Fem. between 15-49 Females between 15 and 49 years, use contraceptions currently use of contraceptions religious belief. Units: absolute figures Total Catholic Practicing catholic Non practicing catholic Protestant Moslem Other religions Have owner beliefs Non-believer Does not know/ Does not answer Total 5,721,252 4,890,477 1,761,793 3,128,684 17,515 8,081 42,916 286,215 285,326 190,721 Uses at least one inefficient method, but any efficient method 316,307 298,076 129,966 168,110 .. 570 794 14,713 2,155 .. Uses at least one efficient method 5,404,945 4,592,401 1,631,827 2,960,574 17,515 7,512 42,122 271,503 283,171 190,721 Uses pill 1,232,027 1,018,479 301,588 716,890 6,961 4,199 7,416 59,805 92,597 42,571 Uses IUD 411,728 348,969 116,718 232,251 1,311 280 869 25,893 15,982 18,424 Uses diaphragm, cap, vaginal sponge 10,363 7,461 5,169 2,292 532 .. .. 2,369 .. .. Uses abstinence 197,929 172,821 74,665 98,156 532 588 1,014 11,708 4,767 6,500 Uses condom 2,627,850 2,232,006 778,803 1,453,203 3,046 1,892 24,801 138,169 135,313 92,625 Uses cycle and basal body temperature 46,905 41,395 21,512 19,883 .. .. 794 3,134 1,582 .. Uses withdrawal 450,804 415,812 163,288 252,524 .. .. 3,937 14,135 14,436 2,483 Uses vaginal wash 38,680 37,543 18,328 19,215 .. .. 1,136 .. .. .. Uses spermicides 30,155 27,598 6,382 21,217 .. .. .. 1,642 914 .. Uses long breastfeeding 11,465 9,188 3,959 5,229 .. 570 .. 1,706 .. .. Uses injection 9,513 8,441 1,736 6,706 954 118 .. .. .. .. Uses the morning after pill 6,188 6,188 1,736 4,452 .. .. .. .. .. .. Uses sterilization 607,184 528,741 233,234 295,508 3,143 435 8,572 31,398 17,923 16,971 Uses vasectomy 515,446 450,346 184,116 266,230 3,025 .. 316 19,352 24,997 17,410 Uses other methods 32,821 25,092 15,098 9,994 .. .. 845 5,072 1,813 .. Notes: Source: National Statistics Institute