| Re: General fertility rate on STATA [message #12399 is a reply to message #12390] |
Tue, 09 May 2017 11:50  |
schoumaker
Messages: 65
Registered: May 2013
Location: Belgium
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Senior Member |
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Hello,
tfr2 does not compute the GFR. But when you run tfr2, you will get the total number of events and exposure (weighted), from which you can compute the GFR. To change the length of the period, just specify it in the len(length) option.
For instance, typing
tfr, len(7) maxage(44)
will compute fertility rates for the seven years preceding the survey up to completed age 44 (the GFR in DHS is for 15-44). The output is copied below for Cameroon 2011.
You can get the GFR from the following information:
Number of person-years (weighted): 87397.727
Number of events (weighted): 15872.734
-> GFR=15872.734/87397.727
to have it for different regions, you can use by:
by v024, sort: tfr2, len(7)
Best wishes,
Bruno
**** Output ****
. tfr2, maxa(44) len(7)
weight variable is v005
Preparing table of events and exposure for 7 year(s) preceding the survey
Period covered: 4/2004 to 3/2011
Central date is 2007.7796
Number of cases (women): 15374
Number of person-years (weighted): 87397.727
Number of events (weighted): 15872.734
ASFRs - TFR
------------------------------------------------------------ ------------------
events | Coef. Std. Err. z P>|z| [95% Conf. Interval]
-------------+---------------------------------------------- ------------------
Rate_1519 | .1317664 .0023793 55.38 0.000 .1271031 .1364297
Rate_2024 | .2397899 .0034917 68.67 0.000 .2329462 .2466335
Rate_2529 | .251612 .0040571 62.02 0.000 .2436603 .2595637
Rate_3034 | .2029518 .0041 49.50 0.000 .1949159 .2109878
Rate_3539 | .1397143 .0038127 36.64 0.000 .1322415 .1471871
Rate_4044 | .0601799 .0028358 21.22 0.000 .0546219 .0657379
TFR | 5.130072 .0429249 119.51 0.000 5.045941 5.214203
------------------------------------------------------------ ------------------
Bruno Schoumaker
Centre for Demographic Research
Université catholique de Louvain
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