Table 1.
Association of Staphylococcus aureus nasal colonization status and demographic and clinical risk factors in NHBS-IDU3 participants (N = 440)
| Colonized (n = 106), No. (%) | Not colonized (n = 334), No. (%) | |
|---|---|---|
| Age (mean, s.d.) | 43·73 ± 12·57* | 47·58 ± 11·13* |
| Sex Male Female |
78 (74·3) 27 (25·7) |
269 (81·0) 63 (19) |
| Race Hispanic/Latino White Black Other |
18 (17) 26 (24·5) 59 (55·7) 3 (2·8) |
54 (16·2) 64 (19·2) 199 (59·6) 17 (5·1) |
| Education Grades 1–11 Grade 12 or GED Some college or more |
36 (34) 44 (41·5) 26 (24·5) |
103 (30·8) 141 (42·2) 90 (27) |
| Employment status Employed Unemployed Not currently in the workforce |
24 (22·6)* 82 (77·4)* 0 (0)* |
80 (24)* 236 (70·7)* 18 (5·4)* |
| Marital status Married/common-law Separated Divorced Widowed Never married |
16 (15·1) 11 (10·4) 27 (25·5) 2 (1·9) 50 (47·2) |
38 (11·4) 43 (12·9) 95 (28·4) 21 (6·3) 137 (41·0) |
| History of homelessness | 63 (59·4) | 215 (64·4) |
| History of incarceration† | 37 (34·9) | 128 (38·3) |
| Any STD‡ | 8 (7·6) | 34 (10·2) |
| Hepatitis | 37 (34·9) | 109 (32·7) |
| HIV positive | 6 (5·7) | 25 (7·5) |
| Currently using antibiotics | 5 (4·7) | 27 (8·1) |
| Antiretroviral use | 2 (1·9) | 12 (3·6) |
| Hospitalized§ | 20 (18·9) | 59 (17·7) |
| Drug treatment programme† | 25 (23·6) | 57 (17·1) |
| Scabs present | 20 (18·9)* | 35 (10·5)* |
| Abscesses present | 12 (11·3) | 42 (12·6) |
GED, General education diploma; STD, sexually transmitted disease.
Some percentages may not total 100 due to rounding/missing data.
†
Past 12 months.
‡
Not including HIV.
§
Past 6 months.
*
P < 0·05.