| Svy command [message #4367] |
Fri, 15 May 2015 03:54  |
erimgina@yahoo.com
Messages: 3
Registered: April 2015
Location: China
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I am planning to do secondary data analysis to investigate the relation ship between family planning use and increase weight among women using modern contraceptive method for 2010 DHS Survey data, I am getting difficult to use svy command in stata, I have tried to write the program after reading the user manual I am still getting results with missing some information, this is the command that I have written to set svy command
gen psu= v021
gen wght=v005/1000000
egen strata = group(v022 v023), label
svyset psu [pweight=wght], strata(strata)
svy: mean age
the result is missing standard error and 95% confidence interval and at the bottom of the table I get this message "Note: missing standard error because of stratum with single
sampling unit."
Same problem when I use regression analysis, any help!
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