Table 2. Characteristics of the 2 study samples.
| Characteristics | Sample 2020 (n=1692) | Sample 2021 (n=4893) | P value |
|---|---|---|---|
| Age (years), median (IQR) | 36 (30-44) | 38 (31-45) | <.001 |
| Age group (years), n (%) | .003 | ||
| 18‐24 | 90 (5.3) | 241 (4.9) | |
| 25‐29 | 283 (16.7) | 651 (13.3) | |
| 30‐39 | 667 (39.4) | 1900 (38.8) | |
| 40‐49 | 392 (23.2) | 1317 (26.9) | |
| 50‐59 | 223 (13.2) | 679 (13.9) | |
| 60+ | 37 (2.2) | 105 (2.1) | |
| Gender, n (%) | .68 | ||
| Cisgender man | 1665 (98.4) | 4800 (98.1) | |
| Trans man | 2 (0.1) | 5 (0.1) | |
| Trans woman | 2 (0.1) | 9 (0.2) | |
| Travesti | 23 (1.4) | 74 (1.5) | |
| Nonbinary | 0 (0) | 5 (0.1) | |
| Sexual orientation, n (%) | .003 | ||
| Gay | 1555 (91.9) | 4344 (88.8) | |
| Bisexual | 118 (7.0) | 451 (9.2) | |
| Heterosexual | 7 (0.4) | 41 (0.8) | |
| Othera | 12 (0.7) | 57 (1.2) | |
| Race, n (%) | .003 | ||
| Asian | 20 (1.2) | 43 (0.9) | |
| Black | 173 (10.2) | 577 (11.8) | |
| Pardo/mixed | 419 (24.8) | 1426 (29.1) | |
| Indigenous | 18 (1.1) | 52 (1.1) | |
| White | 1024 (60.5) | 2767 (56.6) | |
| Missing | 38 (2.2) | 28 (0.6) | |
| Schooling, n (%) | .08 | ||
| High school or less | 514 (30.4) | 1646 (33.6) | |
| Undergraduate degree | 650 (38.4) | 1819 (37.2) | |
| Graduate degree | 508 (30.0) | 1416 (28.9) | |
| Missing | 20 (1.2) | 12 (0.2) | |
| Household incomeb, n (%) | .13 | ||
| Low | 457 (27) | 1428 (29.2) | |
| Middle | 776 (45.9) | 2116 (43.2) | |
| High | 459 (27.1) | 1297 (26.5) | |
| Missing | 0 (0) | 52 (1.1) | |
| Region of residency, n (%) | <.001 | ||
| North | 10 (0.6) | 120 (2.5) | |
| Northeast | 38 (2.2) | 431 (8.8) | |
| Central-west | 55 (3.3) | 330 (6.7) | |
| Southeast | 1386 (81.9) | 3317 (67.8) | |
| South | 203 (12.0) | 695 (14.2) | |
| Adherence to ARTc-based on WebAd-Qd , n (%) | >.99 | ||
| No | 721 (42.6) | 2087 (42.7) | |
| Yes | 971 (57.4) | 2806 (57.3) | |
| Adherence to ART based on VASe, median (IQR) | 100 (98-100) | 100 (98-100) | .24 |
| Adherence to ART based on VAS dummyf, n (%) | .17 | ||
| No | 514 (30.4) | 1398 (28.6) | |
| Yes | 1178 (69.6) | 3495 (71.4) | |
| PEDIAg scale | |||
| Total score, median (IQR) | 36 (32-40) | 36 (32-40) | .03 |
| Fear and feelings, median (IQR) | 17 (14-19) | 17 (14-19) | .11 |
| Cognitive and routines problems, median (IQR) | 6 (4-8) | 6 (4-8) | .50 |
| Medication and health concerns, median (IQR) | 11 (10-12) | 11 (10-12) | .01 |
“Other” includes responses of asexual, pansexual, and other.
Household income was based on the ratio of household income relative to the number of minimum wages monthly: low ≤2, middle >2 and ≤ 6, and high >6.
ART: antiretroviral therapy.
Answered “no” to all 3 questions.
VAS: visual analog scale.
Dummy equals 1 if answered “100” on VAS, and 0 otherwise.
PEDIA: perceived barriers to antiretroviral therapy adherence.