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  • Calculating Change Scores

    Hello,

    I am using tract-level data from the American Community Survey (5-year estimates) to calculate changes in the poverty rate and race proportion. I want to use a nested regression where change score is the DV while socioeconomic characteristics are the IV. I am using years 2015 and 2010, and the data is split by year (as shown below). I am using the following code to create the DV for change score:

    For Poverty rates per tract
    gen deltapov = povrate15-povrate10
    sum deltapov

    For proportion of non-Hispanic Whites per tract
    gen deltanonhwh = pnonhwh15-pnonhwh10
    sum deltanonhwh

    For proportion of non-Hispanic Black per tract
    gen deltanonhblk = pnonhblk15-pnonhblk10
    sum deltanonhblk


    The final nested regression will look something like this:

    nestreg: regress deltapov (male15 female15 yadult15 oadult15 senior15 less15 highsch15 somecoll15 nvrmarr15 married15 widowed15 divorced15 separated15 avginc15) (vets15 foreign15 native15 emppop15 recsnap15) (ownerocc15 renterocc15 tothousehold15 household15) if subsample==0

    Is this correct? I am unsure if I am calculating these change scores correctly. Thank you!


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