Bivariate Analysis of Independent Risk Factors for Loss of Follow-up*
| Factor | No One-Year Follow-up (n = 19) | Successful One-Year Follow-up (n = 381) | P Value |
|---|---|---|---|
| Age (y) | 56 ± 10 | 57 ± 11 | .7512 |
| BMI (kg/m2)† | 29 ± 6.7 | 31 ± 6.4 | .1862 |
| SES‡ | −3.1371 (−6.56945, −1.675089) | −3.9734 (−6.6542, −1.647682) | .5627 |
| Gender | .0532 | ||
| Men | 11 (57.9%) | 137 (36.0%) | |
| Women | 8 (42.1%) | 244 (64.0%) | |
| Ever smoked | .6435 | ||
| Yes | 9 (47.4%) | 160 (42.0%) | |
| No | 10 (52.6%) | 221 (58.0%) | |
| Current smoker | .5025 | ||
| Yes | 4 (21.1%) | 55 (14.4%) | |
| No | 15 (78.9%) | 326 (85.6%) | |
| Diabetes | .4493 | ||
| Yes | 4 (21.1%) | 123 (32.3%) | |
| No | 15 (78.9%) | 258 (67.7%) | |
| Hypertension | .7218 | ||
| Yes | 13 (68.4%) | 275 (72.2%) | |
| No | 6 (31.6%) | 106 (27.8%) | |
| Dyslipidemia | .1902 | ||
| Yes | 7 (36.8%) | 199 (52.2%) | |
| No | 12 (63.2%) | 182 (47.8%) | |
| PCP§ | .0010 | ||
| Yes | 13 (68.4%) | 337 (88.5%) | |
| No | 6 (31.6%) | 44 (11.5%) | |
| Close contact | .7071 | ||
| Yes | 18 (94.7%) | 341 (89.5%) | |
| No | 1 (5.3%) | 40 (10.5%) | |
| Number of phone numbers | 2 (2, 2) | 2 (2, 3) | .4856 |
| Charlson score | 0 (0, 1) | 1 (0, 1) | .0480 |
| Interpreter used | .2572 | ||
| Yes | 7 (36.8%) | 96 (25.2%) | |
| No | 12 (63.2%) | 285 (74.8%) | |
| Native Language | .0274 | ||
| English | 5 (26.3%) | 199 (52.2%) | |
| Non-English | 14 (73.7%) | 182 (47.8%) | |
| Race | .4468 | ||
| Asian | 0 (0.0%) | 18 (4.7%) | |
| Black | 4 (21.1%) | 139 (36.5%) | |
| Hispanic | 14 (73.7%) | 201 (52.8%) | |
| Multiracial | 0 (0.0%) | 6 (1.6%) | |
| White | 1 (5.3%) | 17 (4.5%) | |
| Insurance | .9068 | ||
| Commercial | 5 (26.3%) | 113 (29.7%) | |
| Medicaid | 10 (52.6%) | 167 (43.8%) | |
| Medicare | 4 (21.1%) | 94 (24.7%) | |
| Self pay | 0 (0.0%) | 7 (1.8%) |
↵* Categorical variables are presented as frequencies and percentages. Continuous variables are presented as either means and standard deviations or medians and interquartile ranges, depending on distribution.
↵† BMI, body mass index.
↵‡ SES, socioeconomic score. Displayed as a Z score as in the previous table.
↵§ PCP, primary care physician.