Table 2. Demographic Characteristics of CHEIHO Study Participants and the Proportion of Records Produced by Participants That Had Missing Variables, Sequence Errors, or No Usable AirWatch Readings.
| No. of Participants | No. of Journal Records | No. (%) of Records With Sequence Errors* | No. (%) of Records With No Usable AirWatch Reading* | No. (%) of Records With Incomplete Yes/No Variable(s)*,† | No. (%) of Records With Incomplete Ordered Response Variable(s)*,† | No. (%) of Records With Incomplete Machine-Use Variable(s)*,† | No. (%) of Records With a Missing Saliva Sample* | |
|---|---|---|---|---|---|---|---|---|
| Total | 101 | 2,949 | 54 (2) | 995 (34) | 572 (19) | 344 (12) | 767 (26) | 239 (8) |
| Gender | ||||||||
| Female | 66 | 1,945 | 49 (3) | 666 (35) | 355 (18) | 222 (11) | 534 (27) | 47 (5) |
| Male | 35 | 1,004 | 5 (1) | 329 (33) | 217 (22) | 122 (12) | 233 (23) | 192 (10) |
| Race | ||||||||
| Non-White | 86 | 2,441 | 47 (2) | 868 (36) | 438 (18) | 288 (12) | 540 (22) | 138 (6) |
| White | 15 | 508 | 7 (1) | 127 (25) | 134 (26) | 56 (11) | 227 (45) | 101 (20) |
| Age (yrs) | ||||||||
| ≤55 | 55 | 1,522 | 21 (1) | 461 (31) | 290 (19) | 167 (11) | 183 (12) | 118 (8) |
| >55 | 46 | 1,427 | 33 (2) | 534 (38) | 282 (20) | 177 (12) | 584 (41) | 121 (8) |
| Employment Status | ||||||||
| Unemployed or Retired | 40 | 1,248 | 24 (2) | 411 (33) | 185 (15) | 152 (12) | 402 (32) | 128 (10) |
| Employed | 58 | 1617 | 26 (2) | 560 (36) | 377 (23) | 185 (11) | 329 (20) | 111 (7) |
| Missing | 3 | 84 | 4 | 24 | 10 | 7 | 36 | 0 |
| Community Representative | ||||||||
| Present | 67 | 1,931 | 35 (2) | 697 (37) | 368 (19) | 258 (13) | 448 (23) | 63 (3) |
| Absent | 34 | 1,018 | 19 (2) | 298 (30) | 204 (20) | 86 (8) | 319 (31) | 176 (17) |
| Week-in-Participation | ||||||||
| 1 | 101 | 1,374 | 28 (2) | 697 (51) | 252 (18) | 165 (12) | 380 (28) | 95 (7) |
| ≥2 | 101 | 1,575 | 26 (2) | 298 (19) | 320 (20) | 179 (11) | 387 (25) | 144 (9) |
| Odor Rating | ||||||||
| 0 | 88 | 1,419 | 27 (2) | 479 (34) | 240 (17) | 58 (4) | 322 (23) | 89 (6) |
| 1–8 | 96 | 1,353 | 24 (2) | 447 (33) | 275 (20) | 129 (10) | 372 (27) | 129 (10) |
| Missing | 56 | 177 | 3 | 69 | 57 | 157 | 73 | 21 |
| Time of Day | ||||||||
| Morning | 101 | 1483 | 29 (2) | 509 (35) | 280 (19) | 165 (11) | 396 (27) | 111 (7) |
| Evening | 101 | 1466 | 25 (2) | 486 (34) | 292 (20) | 179 (12) | 371 (25) | 128 (9) |
*
Total journal records in each category with complete outcome information serve as the denominator for the calculation of these percentages.
†
This is a summary variable and is defined on the basis of the completeness of three or more individual variables