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Table 3 Intraclass correlation coefficients of PDA administration of questionnaires

From: Serial personal digital assistant data capture of health-related quality of life: A randomized controlled trial in a prostate cancer clinic

Measure N PDA – 1st Administration Mean (S.D.) PDA – 2nd Administration Mean (S.D.) ICC (C.I.)
IPSS 46 11.70 (8.96) 9.57 (8.33) 0.960 (0.929–0.978)
IIEF-5 35 14.94 (8.32) 16.06 (8.82) 0.946 (0.896–0.972)
PORPUS     
Pain 44 0.40 (0.65) 0.42 (0.78) 0.714 (0.532–0.833)
Energy 46 1.18 (0.97) 1.11 (0.97) 0.976 (0.958–0.987)
Social support 46 0.30 (0.72) 0.11 (0.38) 0.928 (0.874–0.960)
Communication with doctor 45 0.17 (0.42) 0.22 (0.42) 0.589 (0.360–0.751)
Emotional well-being 46 0.80 (0.94) 0.59 (0.91) 0.910 (0.844–0.949)
Urinary frequency/urgency 44 1.19 (0.91) 1.15 (0.94) 0.867 (0.768–0.925)
Leaking urine 45 1.00 (1.19) 0.98 (1.27) 0.840 (0.726–0.909)
Sexual function 41 1.72 (1.54) 1.60 (1.62) 0.973 (0.950–0.986)
Sexual interest 42 1.25 (1.47) 1.05 (1.38) 0.878 (0.785–0.933)
Bowel problems 43 0.21 (0.45) 0.20 (0.46) 0.873 (0.777–0.929)
  1. *All correlations are significant at p ≤ 0.01