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. 2021 Dec 7;9(12):e27072. doi: 10.2196/27072

Table 1.

Demographics of individuals who used self-scheduling compared to those of individuals who used staff-scheduling for making appointments for their screening mammograms.

Demographic characteristic Any self-scheduled, (n=14,387), n (%) Exclusively staff-scheduled (n=79,514), n (%) P valuea
Age (years) <.001

20-29 2 (0.01) 40 (0.05)

30-39 91 (0.63) 606 (0.76)

40-49 4311 (29.96) 15,113 (19.01)

50-59 4468 (31.06) 21,322 (26.82)

60-69 3954 (27.48) 24,977 (31.41)

70-79 1408 (9.79) 14,675 (18.46)

80-89 148 (1.03) 2674 (3.36)

90-99 5 (0.03) 107 (0.13)
Self-described gender (female) 14,382 (99.97) 79,476 (99.95) .50
Race .002

White 13,474 (93.65) 74,436 (93.61)

Black 186 (1.29) 1357 (1.71)

Asian 316 (2.20) 1577 (1.98)

Other 269 (1.87) 1420 (1.79)

Not disclosed 142 (0.99) 724 (0.91)
Ethnicity <.001

Hispanic 336 (2.34) 2339 (2.94)

Not Hispanic 13,772 (95.73) 75,745 (95.26)

Undisclosed/unknown 279 (1.94) 1430 (1.80)

aNull hypothesis (H0) tested: percentage of each demographic characteristic is equal between those who performed any self-scheduled activity and those who had staff-scheduled appointments exclusively.