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Table 3 Hazard and duration estimations, Cox and Weibull models<br />
Hazard<br />
Duration (Weibull)<br />
(1) (2) (3) (4) (5)<br />
Cox<br />
Weibull<br />
Estimated effect on<br />
duration<br />
Average<br />
duration<br />
(years)<br />
Estimated effect on<br />
average duration (months)<br />
First sexual encounter<br />
First pregnancy<br />
Second pregnancy<br />
First temporary contraception<br />
method<br />
0.045 0.049 -0.024 7.4 -2.1<br />
(0.013)*** (0.016)*** (0.008)***<br />
0.010 0.033 -0.019 8.5 -1.9<br />
(0.014) (0.018)* (0.010)*<br />
-0.027 -0.016 0.012 3.3 0.5<br />
(0.014)* (0.021) (0.015)<br />
0.056 0.067 -0.065 7.0 -5.5<br />
(0.016)*** (0.020)*** (0.020)***<br />
See notes in table 2.<br />
Robust standard errors in parentheses<br />
* significant at 10%; ** significant at 5%; *** significant at 1%<br />
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