. svy: mean hc70 if hc70<9996 & hv103==1, over(age_months)
(running mean on estimation sample)

Survey: Mean estimation

Number of strata =      19        Number of obs   =      2,336
Number of PSUs   =     397        Population size = 2,350.3319
                                  Design df       =        378

    _subpop_1: age_months = <6
    _subpop_2: age_months = 6-8
    _subpop_3: age_months = 9-11
    _subpop_4: age_months = 12-17
    _subpop_5: age_months = 18-23
    _subpop_6: age_months = 24-35
    _subpop_7: age_months = 36-47
    _subpop_8: age_months = 48-59

--------------------------------------------------------------
             |             Linearized
        Over |       Mean   Std. Err.     [95% Conf. Interval]
-------------+------------------------------------------------
hc70         |
   _subpop_1 |  -34.44011   12.39171     -58.80543   -10.07478
   _subpop_2 |  -43.11069   14.73607     -72.08562   -14.13575
   _subpop_3 |  -101.8908   14.76032     -130.9134   -72.86815
   _subpop_4 |  -140.5865   11.14251     -162.4955   -118.6774
   _subpop_5 |   -166.106   14.58119     -194.7764   -137.4356
   _subpop_6 |  -177.6505   7.966516     -193.3148   -161.9863
   _subpop_7 |  -174.0726   7.855612     -189.5188   -158.6264
   _subpop_8 |  -146.6423   9.608246     -165.5346     -127.75
--------------------------------------------------------------