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. 2018 Dec 7;5(4):e10129. doi: 10.2196/10129

Table 5.

Accuracy analysis of demographic information (n=248,248).

Accuracy General integration Identification integration Contact integration Address integration

Before, n (%) After, n (%) Diffa Before, n (%) After, n (%) Diff Before, n (%) After, n (%) Diff Before, n (%) After, n (%) Diff
Minimum 137,579 (55.42) 170,472 (68.67) +13.25 237,449 (95.65) 244,499 (98.49) +2.84 247,801 (99.82) 247,702 (99.78) −0.04 206,741 (83.28) 215,032 (86.62) +3.34
Maximum 248,248 (100.00) 248,248 (100.00) +0.00 248,248 (100.00) 248,248 (100.00) +0.00 248,000 (99.90) 248,248 (100) +0.10 248,248 (100.00) 248,248 (100.00) +0.00
Mean 232,931 (93.83) 236,357 (95.21) +1.38 243,184 (97.96) 246,510 (99.30) +1.34 247,900 (99.86) 248,000 (99.90) +0.04 237,201 (95.55) 239,386 (96.43) +0.88
SD 34,382 (13.85) 24,527 (9.88) −3.97 5437 (2.19) 2011 (0.81) −1.38 149 (0.06) 273 (0.11) +0.05 17,377 (7.00) 14,374 (5.79) −1.21

aDiff: difference.