Table 2.
Characteristics of participants with a successful or unsuccessful home sleep study
| Successful participants (N = 851) | Unsuccessful participants (N = 109) | p * | |
|---|---|---|---|
| Age, years | 57.5 (11.6) | 53.9 (11.7) | 0.003 |
| BMI, kg/m2 | 27.5 (5.2) | 26.7 (5.0) | 0.15 |
| Race | |||
| White | 551 (64.8%) | 56 (51.3%) | <0.001 |
| Black | 214 (25.2%) | 42 (38.5%) | |
| Other | 42 (4.9%) | 8 (7.3%) | |
| Multiracial | 43 (5.1%) | 3 (2.8%) | |
| Missing data | 1 (0.1%) | 0 (0.0%) | |
| Ethnicity | 0.93 | ||
| Hispanic | 112 (13.2%) | 14 (12.8%) | |
| Non-Hispanic | 739 (86.8%) | 95 (87.2%) | |
| Education | |||
| ≤11th grade | 43 (5.0%) | 11 (10.1%) | <0.001 |
| 12th grade | 102 (12.0%) | 29 (26.6%) | |
| Some college | 211 (24.8%) | 26 (23.8%) | |
| College degree | 178 (20.9%) | 19 (17.4%) | |
| Graduate work | 296 (34.8%) | 21 (19.3%) | |
| Missing data | 21 (2.5%) | 3 (2.8%) | |
| Income, $ | |||
| <10 000 | 124 (14.6%) | 27 (24.8%) | 0.005 |
| 10 000–19 000 | 104 (12.2%) | 22 (20.2%) | |
| 20 000–39 999 | 147 (17.3%) | 18 (16.5%) | |
| 40 000–59 999 | 144 (16.9%) | 9 (8.3%) | |
| 60 000–99 999 | 128 (15.0%) | 11 (10.0%) | |
| ≥100 000 | 132 (15.5%) | 12 (11.0%) | |
| Missing data | 72 (8.5%) | 10 (9.2%) | |
| Smoking | |||
| Never | 279 (32.8%) | 23 (21.1%) | <0.001 |
| Former | 402 (47.2%) | 40 (36.7%) | |
| Current | 149 (17.5%) | 43 (39.4%) | |
| Missing data | 21 (2.5%) | 3 (2.8%) | |
| Alcohol, drinks/week | |||
| None | 180 (21.4%) | 33 (30.3%) | 0.031 |
| 1–3 | 407 (47.8%) | 44 (40.4%) | |
| ≥4 | 238 (28.0%) | 25 (22.9%) | |
| Missing data | 26 (3.1) | 7 (6.4%) | |
| Cocaine use | |||
| No | 755 (88.7%) | 81 (74.3%) | <0.001 |
| Yes | 64 (7.5%) | 21 (19.3%) | |
| Missing data | 32 (3.8%) | 77 (6.4%) | |
| HIV seropositive | 474 (55.7%) | 68 (62.4%) | 0.19 |
*p values computed with t-test for continuous variables and χ2 for categorical variables.