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Table 1 Descriptive statistics

From: Bias in estimates of alcohol use among older people: selection effects due to design, health, and cohort replacement

  n Weighted n Weighted %
Period (response rate)   
 1992 (95.4 %) 532 587.0 32.3
 2002 (84.4 %) 610 610.0 33.5
 2011 (86.2 %) 880 621.7 34.2
Sex    
 Women 1173 1104 60.7
 Men 849 714 39.3
Age    
 Range 77–101 77–101  
 Mean 84.6 83.0  
Birth year   
 Range 1894–1934 1894–1934  
 Mean 1918 1918  
Living in an institution   
 Yes 312 226.8 12.5
 No 1710 1591.9 87.5
ADL limitation    
 Yes 619 495.5 27.3
 No 1403 1323.2 72.8
Mobility problem    
 Yes 1130 965.5 53.1
 No 892 853.2 46.9
Proxy interview    
 Yes 384 310.8 17.1
 No 1638 1508.0 82.9
Telephone interview   
 Yes 434 351.2 19.3
 No 1588 1467.5 80.7
Alcohol consumption   
 Abstainers 729 655.4 36.0
 Seldom 485 441.4 24.3
 Monthly 380 338.9 18.6
 Weekly 428 383.1 21.1
Total 2022 1818.7 100