Using Proc Surveyfreq to create column totals/percentage within subgroups

Wolverine — Mon, 24 Jun 2024 17:09:11 GMT

I'm working on a task that is a continuation of my previous post. But now I need to change the output table so that the percentages within each column (for each analysis variable) sum to 100%.

Below is sample data, and the code that I have so far. PUFFWGT is the person weight, while PUFF001 is a replicate weight to account for effects of the sampling/survey design. There are actually 100 replicate weights, but I only included 2 as an example. TM_group and ADRD_group are my subgroups, DEM_AGE is one of the analysis variables, and cohort_flag indicates cases that are included in the analysis. I'm only interested in cases where cohort_flag=1, but I can't delete cases where cohort_flag=0 because this is weighted sample data.

data have;
infile datalines dsd dlm=',' truncover;
input TM_group ADRD_group DEM_AGE cohort_flag PUFFWGT PUFF001-PUFF002;
datalines;
0,0,2,1,2110.5357,676.0632354,3108.917787
0,1,3,1,918.4676314,1106.627216,11398.01208
0,0,3,1,2758.096955,4735.215718,1418.690422
0,1,2,1,2456.208457,918.6245816,4548.556261
0,1,2,1,616.4292264,1033.661611,1213.613946
0,0,2,1,3673.275956,6316.504889,1704.047563
0,1,3,1,1102.850296,304.9154776,904.2769054
0,0,3,1,2714.610724,877.3159168,993.7824266
0,1,2,1,20090.52479,6085.947656,7590.092351
1,1,3,1,9098.780523,3498.802425,1335.317433
1,1,2,0,7196.92957,11977.46854,1240.066816
1,1,3,1,842.3146743,1255.501335,4314.886534
1,0,2,0,13516.51008,4775.164303,1106.604846
1,0,2,0,4460.828162,1083.99043,943.9937287
1,0,3,0,4818.845124,9286.932256,8197.376118
1,0,2,1,2848.023551,4739.321046,1113.329766
1,.,3,0,3050.820193,805.9607077,761.0495075
1,.,2,1,4256.565135,1176.233283,1775.665732
1,1,2,1,5211.416525,1570.093954,291.3352611
1,1,3,0,4181.422692,8242.459467,2573.543707
1,1,3,1,3179.943422,4688.70721,6518.281019
.,.,2,1,3451.708714,4256.625072,1167.477312
.,.,3,1,3018.745468,4729.150346,1565.75873
.,.,3,1,4098.775,1486.742512,1283.25
.,.,3,1,3483.708151,1098.980881,1349.598
;RUN;
 
/*Section 0.5 -- Sort analysis file on BY variables, as required by PROC SURVEYFREQ*/
PROC SORT data=have;
      BY cohort_flag; RUN;
 
 
/***  SECTION 1 -- Examine weighted freqs for each group      ***/
 
/*Section 1.1.2 -- Generate weighted freqs*/
title1 "Section 1.1.2 -- Weighted freqs - both person and sample weights V&version.";
PROC SURVEYFREQ data=have missing;
      WEIGHT PUFFWGT;
      REPWEIGHTS PUFF001-PUFF002;
      BY cohort_flag;
      TABLES TM_group*ADRD_group*DEM_AGE / nosparse nowt ;
RUN;

Here is one of the output tables, where cohort_flag=1. Note that when ADRD_group=1, DEM_AGE has freqs where '2'=3 and '3'=2, for a total of 5. That's correct, but the percents are roughly 63% and 5%, when they should be 60% and 40% so that they sum to 100%. The total row should read "Total 5 100"

Table of ADRD_group by DEM_AGE
Controlling for TM_group=0
ADRD_group	DEM_AGE	Frequency	Percent	Std Err of
ADRD_group	DEM_AGE	Frequency	Percent	Percent
0	2	2	15.8717	11.23
	3	2	15.018	9.1592
	Total	4	30.8897	19.6118
1	2	3	63.5635	25.122
	3	2	5.5468	22.5428
	Total	5	69.1103	19.6118
Total	2	5	79.4352	18.873
	3	4	20.5648	18.873
	Total	9	100

Re: Using Proc Surveyfreq to create column totals/percentage within subgroups

ballardw — Tue, 25 Jun 2024 14:24:16 GMT

If you want a Row percent total in the table then add the ROW option to the Tables statement.

If you want a Column percent total in the table then ad the COLUMN option to the Tables statement.

Otherwise the result is the percent of the TABLE only.

topic Re: Using Proc Surveyfreq to create column totals/percentage within subgroups in SAS Programming

Using Proc Surveyfreq to create column totals/percentage within subgroups

Re: Using Proc Surveyfreq to create column totals/percentage within subgroups