Table 2.
Percentages of sociodemographic groups with varying levels of saliva collection protocol adherence (of 136 respondents who returned samples and for whom timeliness was calculable)
| Respondent Characteristics | Any protocol adherence | Time 1 (Wake) verified correct | Time 2 (+30") verified correct | Time 3 (Bedtime) verified correct | Complete protocol adherence |
|---|---|---|---|---|---|
| % (n) | % (n) | % (n) | % (n) | % (n) | |
| Characteristic (number available samples) |
78.7% (107) | 69.1% (94) | 63.2% (86) | 59.6% (81) | 45.6% (62) |
| Age (years) | |||||
| Mean (SE) | 27.7 (0.20) | 27.7 (0.22) | 27.5 (0.24) | 27.8 (0.24) | 27.6 (0.28) |
| Biological Sex | |||||
| Male (60) | 75.0 (45) | 63.3 (38) | 61.7 (37) | 53.3 (32) | 40.0 (24) |
| Female (76) | 81.6 (62) | 73.7 (56) | 64.5 (49) | 64.5 (49) | 50.0 (38) |
| Race/Ethnicity | |||||
| White (97) | 78.4 (76) | 69.1 (67) | 65.0 (63) | 57.7 (56) | 47.4 (46) |
| Black (24) | 75.0 (18) | 66.7 (16) | 62.5 (15) | 54.2 (13) | 41.7 (10) |
| Hispanic (13) | 84.6 (11) | 69.2 (9) | 53.9 (7) | 76.9 (10) | 38.5 (5) |
| Othera | --- | --- | --- | --- | --- |
| Completed Education | |||||
| Less Than High School (8) | 87.5 (7) | 75.0 (6) | 75.0 (6) | 75.0 (6) | 62.5 (5) |
| High School Graduate or GED (28) | 82.1 (23) | 67.9 (19) | 75.0 (21) | 67.9 (19) | 53.6 (15) |
| Some CollegeVocational Training (48) | 77.1 (37) | 72.9 (35) | 58.3 (28) | 64.6 (31) | 50.0 (24) |
| College Graduate (41) | 78.1 (32) | 63.4 (26) | 58.5 (24) | 48.8 (20) | 34.2 (14) |
| Education beyond College (11) | 72.7 (8) | 72.7 (8) | 63.6 (7) | 45.5 (5) | 36.4 (4) |
| Employed 10 or More Hours/Week | |||||
| No (55) | 70.9 (39) | 61.8 (34) | 56.4 (31) | 56.4 (31) | 41.8 (23) |
| Yes (81) | 84.0 (68) | 74.1 (60) | 67.9 (55) | 61.7 (50) | 48.2 (39) |
| Children Under Age 12 in Household | |||||
| No (76) | 76.3 (58) | 67.1 (51) | 65.8 (50) | 55.3 (42) | 44.7 (34) |
| Yes (60) | 81.7 (49) | 71.7 (43) | 76.7 (46) | 65.0 (39) | 46.7 (28) |
| Incentive amount | |||||
| $40.00 (78) | 79.5 (62) | 68.0 (53) | 64.1 (50) | 62.8 (49) | 46.2 (36) |
| $20.00 (58) | 77.6 (45) | 70.7 (41) | 62.1 (36) | 55.2 (32) | 44.8 (26) |
Denominator for all groups is their total number in the sample.
Number of samples for which timeliness is calculable (denominator) varies by row.
a
Cell sizes too small to report