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Table 2 The condom cumulative use rate

From: Efficacy of a combined contraceptive regimen consisting of condoms and emergency contraception pills

Intervention group Control group
Month No. Subject at beginning No. Sub not use condom Terminate Cumulative condom use rate Cumulative terminate rate SE of Cumulative condom use rate No. Subject at beginning No. Sub not use condom Terminate Cumulative condom use rate Cumulative terminate rate SE of Cumulative condom use rate
X Nx Wx Tx P (x+1) Q(x+1) Sp(x+1) Nx Wx Tx P (x+1) Q(x+1) Sp(x+1)
0 812 0 12 0.98522 0.01478 0.004238 750 0 11 0.98533 0.01467 0.004384
1 800 0 7 0.97660 0.02340 0.005304 739 1 6 0.97733 0.02267 0.005433
2 793 0 14 0.95936 0.04064 0.006931 732 0 5 0.97065 0.02935 0.006162
3 779 0 7 0.95074 0.04926 0.007594 727 0 5 0.96398 0.03602 0.006805
4 772 0 4 0.94582 0.05418 0.007944 722 0 3 0.95997 0.04003 0.007159
5 768 0 5 0.93966 0.06034 0.008356 719 0 4 0.95463 0.04537 0.007601
6 763 0 2 0.93719 0.06281 0.008514 715 0 4 0.94929 0.05071 0.008014
7 761 0 4 0.93226 0.06774 0.008818 711 0 2 0.94662 0.05338 0.008211
8 757 0 3 0.92857 0.07143 0.009037 709 0 4 0.94129 0.05871 0.008587
9 754 0 3 0.92488 0.07512 0.009250 705 0 0 0.94129 0.05871 0.008587
10 751 0 1 0.92365 0.07635 0.009319 705 0 1 0.93995 0.06005 0.008678
11 750 0 0 0.92365 0.07635 0.009319 704 0 2 0.93728 0.06272 0.008857
12 750 0 1 0.92242 0.07758 0.009388 702 0 3 0.93328 0.06672 0.009116
Total 0 63 — — — — — — — — 1 50 — — — — — —
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