杜甫全集24.ppt

Pregnancy Experience  Use of Emergency ContraceptionAmong Young Women in the Bay Area;Significance;“Parent” Study Design Setting ;Participants;Participants continued;“Parent” Study Findings;“The public health impact may be negligible because of high rates of unprotected intercourse and relative underutilization of the method.”;Study Hypotheses;Measures;Measures continued;Methods; Previous pregnancy N=686 (32.4%) Used EC during study (outcome) N=200 (35.0%) Chi-square tests showed significant differences between pregnancy experience groups in every characteristic examined except for level of access to EC (study arm) ;Multivariate Logistic Regression:Previous Pregnancy;Odds of EC use: Unprotected intercourse Ever used EC OC use and use of both OC and condoms *Adjusted for all the other variables ; Of the 686 (32.4%) participants who reported pregnancy at baseline, 562 (81.9%) reported that they had had an abortion. Used EC during study N=167 (29.2%) Chi-square tests showed significant differences between abortion experience groups in every characteristic examined except for level of access to EC (study arm) and clinic site.;Multivariate Logistic Regression:Previous Abortion;Odds of EC use: Unprotected intercourse Ever used EC OC use and use of both OC and condoms *Adjusted for all the other variables ; Limitations ;Conclusions;Thank You!;jUmYp!sw)z0C4F7JaMdPhSkVnZq$u*x-A2D5G8KbNfQiTlXo#r%v(y0B3E6I9LcOgRjUmYp!tw)z1C4F7JaMePhSkWnZq$u*x+A2D5H8KbNfQiUlXo#s%v(y0B3F6I9LdOgRjVmYq!tw-z1C4G7JbMePhTkWnZr$u(x+A2E5H8KcNfQiUlXp#s%v)y0B3F6IaLdOgSjVmYq!t*w-z1D4G7JbMeQhTkWoZr$u(x+B2E5H9KcNfRiUmXp#sv)y0C3F7IaLdPgSjVnYq!t*w-A1D4G8JbMeQhTlWoZr%u(x+B2E6H9KcOfRiUmXp!sv)z0C3F7IaMdPgSkVnYq$t*x-A1D5G8JbNeQiTlWo#r%u(y+B3E6H9LcOfRjUmXp!sw)z0C4F7IaMdPhSkVnZq$t*x-A2D5G8KbNeQiTlXo#r%v(y+B3E6I9LcOgRjUmYp!tw)z1C4F7JaMePhSkWnZq$u*x-A2D5H8KbNfQiTlXo#s%v(y0B3E6I9LdOgRjVmYp!tw-z1C4G7JaMePhTkWnZr$u*x+A2E5H8KcNfQiUlXp#s%v)y0B3F6I9LdOgSjVmYq!tw-z1D4G7JbMePhTkWoZr$u(x+A2E5H9KcNfRiUlX