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Table 1 Proxy rate by age and gender

From: Design and measurement in a study of war exposure, health, and aging: protocol for the Vietnam health and aging study

  Age group Total Interviews Respondent Interview Proxy Interview
Freq % Dist Freq Interview Freq Proxy
rate (%) rate (%)
Total All 2445 100 2366 96.8 79 3.2
60–69a 1349 55.2 1388 99.2 11 0.8
70–79 693 28.3 672 97 21 3
80+ 403 16.5 356 88.3 47 11.7
Male All 1194 100 1162 97.3 32 2.7
60–69 687 57.5 680 99 7 1
70–79 335 28.1 325 97 10 3
80+ 172 14.1 157 91.3 15 8.7
Female All 1251 100 1204 96.2 47 3.8
60–69 662 52.9 658 99.4 4 0.6
70–79 358 28.6 347 96.9 11 3.1
80+ 231 18.5 199 86.2 32 13.9
  1. a Note that 2 respondents were actually 59 years of age at the time of Wave I data collection