Post-enumeration Survey (PES) - Statistics South Africa
Post-enumeration Survey (PES) - Statistics South Africa
Post-enumeration Survey (PES) - Statistics South Africa
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<strong>Statistics</strong> <strong>South</strong> <strong>Africa</strong><br />
64<br />
8.3 Content analysis for age group<br />
What is (name's) age in completed years?<br />
Table 24: Age group as reported in the census and the <strong>PES</strong><br />
Age group<br />
(Census)<br />
Under<br />
5<br />
years<br />
Age group (<strong>PES</strong>)<br />
5-14 15-19 20-29 30-44 45-64 65 or Undeter<br />
years years years years years more mined Total<br />
Under 5 years 22 752 1 004 43 45 44 27 13 192 24 120<br />
5-14 years 790 43 156 925 180 35 12 9 418 45 525<br />
15-19 years 26 597 21 193 726 28 6 7 185 22 768<br />
20-29 years 21 190 654 38 026 934 45 14 473 40 357<br />
30-44 years 7 34 41 794 40 201 978 41 544 42 640<br />
45-64 years 4 6 7 61 887 34 779 513 447 36 704<br />
65 or more 7 17 15 33 65 488 12 263 142 13 030<br />
Undetermined 140 224 133 258 300 258 116 41 1 470<br />
Total 23 747 45 228 23 011 40 123 42 494 36 593 12 976 2 442 226 614<br />
Table 25: Net difference rate, index of inconsistency, and gross difference rate for age group<br />
Net Difference Rate<br />
Index of Inconsistency<br />
Response<br />
category<br />
Total<br />
consistent<br />
cases<br />
Total in<br />
Census<br />
Total in<br />
<strong>PES</strong><br />
Rate<br />
95%<br />
LCL<br />
95%<br />
UCL<br />
Index<br />
Under 5 years 22 752 24 120 23 747 016 0,12 0,21 5,52 5,3 5,75<br />
5-14 years 43 156 45 525 45 228 0,13 0,07 0,19 6,12 5,94 6,3<br />
15-19 years 21 193 22 768 23 011 -0,11 -0,16 -0,06 8,24 7,97 8,53<br />
20-29 years 38 026 40 357 40 123 0,1 0,05 0,16 6,69 6,5 6,89<br />
30-44 years 40 201 42 640 42 494 0,06 0 0,12 6,84 6,65 7,04<br />
45-64 years 34 779 36 704 36 593 0,05 0 0,1 6,09 5,89 6,28<br />
65 or more 12 263 13 030 12 976 0,02 -0,01 0,06 6,04 5,74 6,35<br />
Undetermined 41 1 470 2 442 -0,43 -0,48 -0,38 98,7 95,63 101,88<br />
Total 212 411 226 614 226 614 0 -0,15 0,15<br />
Aggregated Index of Inconsistency = 7,4<br />
Gross Difference Rate = 6,27<br />
Rate of Agreement = 0,94<br />
95%<br />
LCL<br />
95%<br />
UCL<br />
In both the <strong>PES</strong> and the census, age was derived from the date of birth; in other words, age derived from<br />
the date of birth was preferred over reported age when the two were inconsistent. The characteristic age<br />
(as derived) shows a low level of inconsistency or variability (index < 20%) and can be expected to be<br />
reported more or less reliably and consistently from survey to survey.<br />
<strong>Post</strong> Enumeration <strong>Survey</strong> (<strong>PES</strong>)
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