Skip to main content

Table 5 Subgroup analysis of comparisons between patient-reports and proxy-reports in health and functional limitations

From: Differences in proxy-reported and patient-reported outcomes: assessing health and functional status among medicare beneficiaries

  Patient-report (n = 2,775) Spouse proxy-reports (n = 2,775) Adjusted RR (95 % CI)   Patient-report (n = 4,434) Non-spouse Relative proxy-reports (n = 4,434) Adjusted RR (95 % CI)   Patient-report (n = 570) Non-relative proxy-reports (n = 570) Adjusted RR (95 % CI)  
  % %    % %    % %   
Physical status             
ADL             
 Bathing/showering 8.90 23.34 2.62 (2.30, 2.99) * 16.56 36.38 2.20 (2.04, 2.37) * 13.56 34.92 2.58 (2.05, 3.24) *
 Dressing 7.68 20.36 2.65 (2.29, 3.07) * 11.17 27.73 2.48 (2.26, 2.73) * 8.79 27.51 3.13 (2.34, 4.19) *
 Eating 2.78 9.02 3.25 (2.54, 4.17) * 3.98 11.78 2.96 (2.52, 3.49) * 2.99 11.29 3.78 (2.27, 6.28) *
 Get in/out of bed/chair 13.84 23.44 1.69 (1.52, 1.89) * 20.86 26.55 1.27 (1.18, 1.37) * 17.40 27.16 1.56 (1.25, 1.95) *
 Walking 26.64 35.99 1.35 (1.25, 1.46) * 38.11 40.50 1.06 (1.01, 1.12) * 32.34 40.21 1.24 (1.07, 1.45) *
 Using the toilet 4.79 14.36 2.99 (2.48, 3.61) * 7.48 19.38 2.59 (2.30, 2.92) * 6.87 20.46 2.98 (2.13, 4.17) *
IADL             
Telephone 9.21 25.58 2.78 (2.44, 3.16) * 8.64 36.31 4.20 (3.80, 4.66) * 5.99 30.05 5.03 (3.57, 7.07) *
 Doing light housework 12.51 29.95 2.39 (2.14, 2.68) * 22.48 40.14 1.79 (1.67, 1.91) * 18.57 38.18 2.05 (1.69, 2.49) *
 Doing heavy housework 30.88 46.76 1.51 (1.41, 1.62) * 52.40 63.15 1.20 (1.16, 1.25) * 45.86 57.48 1.25 (1.12, 1.40) *
 Preparing meals 9.69 31.43 3.23 (2.85, 3.67) * 19.26 49.15 2.55 (2.38, 2.73) * 12.80 49.43 3.86 (3.06, 4.87) *
 Shopping 13.20 35.00 2.66 (2.40, 2.95) * 26.40 57.40 2.17 (2.06, 2.30) * 20.92 55.25 2.64 (2.23, 3.13) *
 Managing money 7.55 32.96 4.36 (3.80, 4.99) * 17.96 65.43 3.64 (3.41, 3.89) * 15.71 65.19 4.14 (3.41, 5.04) *
Mobility             
 Stooping/crouching/kneeling 71.15 74.90 1.05 (1.02, 1.09) * 75.45 69.85 0.93 (0.90, 0.95) * 72.76 69.16 0.95 (0.88, 1.03)  
 Lifting/carrying 10 pounds 32.05 47.46 1.48 (1.39, 1.58) * 53.82 57.84 1.07 (1.04, 1.11) * 49.12 54.72 1.11 (1.00, 1.24)  
 Extending arms above shoulder 26.18 41.03 1.57 (1.45, 1.69) * 36.24 41.62 1.15 (1.09, 1.21) * 35.50 38.54 1.09 (0.94, 1.26)  
 Writing/handling object 26.82 38.25 1.43 (1.32, 1.54) * 34.12 41.80 1.23 (1.16, 1.29) * 32.51 38.37 1.18 (1.01, 1.38) *
 Walking 1/4 mile or 2–3 blocks 47.37 60.57 1.28 (1.22, 1.34) * 62.15 62.64 1.01 (0.98, 1.04)   58.00 57.95 1.00 (0.91, 1.10)  
Affective status             
 Depressed 54.12 61.78 1.14 (1.09, 1.19) * 72.09 71.12 0.99 (0.96, 1.01)   73.24 72.74 0.99 (0.92, 1.07)  
 Losing interest 12.36 21.66 1.75 (1.56, 1.97) * 25.19 24.45 0.97 (0.90, 1.04)   27.82 22.63 0.81 (0.66, 1.00)  
Cognitive status             
 Memory loss 12.46 30.53 2.45 (2.20, 2.73) * 21.23 38.76 1.83 (1.71, 1.95) * 21.13 34.94 1.65 (1.36, 2.01) *
 Decision making 8.49 27.81 3.27 (2.88, 3.72) * 16.63 45.63 2.74 (2.55, 2.95) * 17.22 46.44 2.70 (2.21, 3.28) *
 Concentrating 16.69 32.84 1.97 (1.80, 2.16) * 29.72 51.90 1.75 (1.66, 1.84) * 29.93 53.48 1.79 (1.55, 2.06) *
Social status             
 Social activities 33.25 50.00 1.50 (1.41, 1.60) * 51.21 56.12 1.10 (1.05, 1.14) * 51.41 54.30 1.06 (0.94, 1.19)  
Sensory status             
 Seeing 30.84 33.27 1.08 (1.00, 1.16)   36.41 36.28 1.00 (0.94, 1.05)   36.57 32.38 0.89 (0.76, 1.03)  
 Hearing 43.64 49.73 1.14 (1.08, 1.20) * 32.30 34.84 1.08 (1.02, 1.14) * 33.04 26.52 0.81 (0.68, 0.95) *
 Eating solid foods 14.82 19.23 1.30 (1.16, 1.45) * 22.99 22.27 0.97 (0.90, 1.05)   22.11 20.91 0.95 (0.75, 1.19)  
  1. RR: Relative risk; CI: Confidence interval; ADL: Activities of daily living; IADL: Instrumental activities of daily living; *: Significant at 0.05 level