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Re: declaring child survey in Stata [message #3921 is a reply to message #3914] Fri, 06 March 2015 11:14 Go to previous messageGo to previous message
musti is currently offline  musti
Messages: 7
Registered: December 2014
Location: UK
Member

1) By the way,
in 2008 TDHS V022(stratum number) has no observation.

when i browse V023(sample domain), the only value it has is national. it is shown as V023 national national national national national.................

V021(primary sampling unit) has values 101 101 101 102 102 102 103 103 103 104 104 104 104.......................

And I have V024(region) west west west west....... south south ...... central central central central..... north north north.....
east east east.....

http://www.hips.hacettepe.edu.tr/eng/tdhs08/TDHS-2008_Main_R eport.pdf

When i check TDHS 2008 main report from the above link related to sample selection in the appendix page 209, it says staratification is done for region, then IT SAYS REGIONAL BREAKDOWN EXTENDED TO nuts 1,2,3 regions. Page 209 describes this. I put A few lineS of the table describing the stratums.

tab V024

Region Freq. Percent Cum.

West 651 16.88 16.88
South 497 12.89 29.76
Central 666 17.27 47.03
North 352 9.13 56.16
East 1,691 43.84 100.00

Total 3,857 100.00
tab V024

Region Freq. Percent Cum.

West 651 16.88 16.88
South 497 12.89 29.76
Central 666 17.27 47.03
North 352 9.13 56.16
East 1,691 43.84 100.00

Total 3,857 100.00


And in the appendix, table b1(page 209) of TDHS main report(the file size was too large so i gave the link to the file)

Table B1 list of strata by region, Nuts 1 region, residence, type and province, turkey 2008.

Stratum Region Nuts 1 region Type Province
1 west IStanbul urban/metropol istanbul
2 west istanbul rural istanbul
. .... ....... ............. ........
15 Cental west urban/metropol ........
anatolia
............................................................ ......
............................................................ .........
32 east Central east .................................
anatolia
//////////////////////////////////////////////////////////// /////
36 east South east anatolia /////////////////////////////

My question is whether or not V024 is strata in this case? and Psu is V001????


2) secondly, in my reasearch question, i will put the regions as independent variable. does this means FOR regional breakdown(strata) i need to use 12 sub regions. BECAUSE I WILL USE NUTS REGIONS, WHICH ARE MORE THAN 5 (V024 HAS ONLY 5 REGION AS GIVEN) So in this case, May i still use V024 as strata? or i need another variable?

tab V024

Region Freq. Percent Cum.

West 651 16.88 16.88
South 497 12.89 29.76
Central 666 17.27 47.03
North 352 9.13 56.16
East 1,691 43.84 100.00

Total 3,857 100.00


-For instance i will use the following variable as INDEPENEDENT VARIABLE SHOWING regional breakdown(the variable name is SREGION12). Assuming V024 is strata, Do i need a different starata for 12 regions. Because in the I WILL ASK STATA TO CALCULATE CLUSTERED STANDARD ERRORS?

tab SREGION12

Region of residence
(12) Freq. Percent Cum.

Istanbul 192 4.98 4.98
West Marmara 119 3.09 8.06
Aegean 215 5.57 13.64
East Marmara 216 5.60 19.24
West Anatolia 271 7.03 26.26
Mediterranean 497 12.89 39.15
Central Anatolia 252 6.53 45.68
West Black Sea 245 6.35 52.04
East Black Sea 159 4.12 56.16
Northeast Anatolia 400 10.37 66.53
Central East Anatolia 468 12.13 78.66
Southeast Anatolia 823 21.34 100.00

Total 3,857 100.00

 
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