Volume 23, Number 11—November 2017
Dispatch
Changing Demographics and Prevalence of Body Lice among Homeless Persons, Marseille, France
Tran Duc Anh Ly, Youssoupha Touré, Clément Calloix, Sékéné Badiaga, Didier Raoult, Hervé Tissot-Dupont, Philippe Brouqui, and Philippe Gautret
Table 2
Results of univariate and multivariate analysis of risk factors for body lice infestation among homeless persons, Marseille, France, 2000–2017*
| Risk factor | Total | Body lice prevalence | Odds ratio (95% CI), p value |
|
|---|---|---|---|---|
| Univariate analysis | Multivariate analysis | |||
| Substance use | ||||
| Alcohol | ||||
| Never | 892 (39.8) | 29 (3.7) | ||
| Sometimes | 623 (27.8) | 55 (9.8) | ||
| Frequently | 729 (32.5) | 155 (25.1) | 5.01 (3.77–6.68), <0.0001 | 3.93 (1.85–8.36), <0.0001 |
| Tobacco | ||||
| Never | 576 (25.5) | 20 (4.0) | ||
| Yes | 1680 (74.5) | 218 (14.9) | 4.16 (2.60–6.65), <0.0001 | 2.46 (1.04–5.79), 0.04 |
| Cannabis (never) | 921 (82.1) | 70 (8.1) | ||
| Cannabis | 201 (17.9) | 23 (11.9) | ||
| Injected substances | 19 (1.1) | 5 (27.8) | ||
| Nasally inhaled substances | 40 (3.0) | 7 (24.1) | ||
| Drug substitutes |
25 (1.5) |
5 (21.7) |
||
| Medical conditions | ||||
| COPD | 38 (9.9) | 11 (5.6) | ||
| Asthma | 63 (6.1) | 3 (6.5) | ||
| Bronchitis | 44 (4.3) | 4 (12.1) | ||
| Cancer | 6 (0.9) | 0 | ||
| Diabetes | 47 (5.8) | 1 (2.2) | ||
| Hepatitis | 22 (2.8) | 7 (33.3) | ||
| History of pulmonary TB |
55 (4.2) |
3 (7.1) |
||
| Weight | ||||
| Mean BMI (SD) | 23.8 (4.2) | |||
| BMI range | 13.5–65.0 | |||
| Underweight | 97 (5.8) | 14 (17.9) | 2.998 (1.53–5.90), 0.001 | |
| Normal weight | 1,009 (60.3) | 93 (10.8) | ||
| Overweight | 439 (26.2) | 23 (6.0) | ||
| Obesity |
129 (7.7) |
11 (9.6) |
||
| *Only statistically significant results are reported; blank cells indicate statistically insignificant results. Variables with a prevalence <5.0% were not included in the univariate model. ND, not done. | ||||
Page created: October 17, 2017
Page updated: October 17, 2017
Page reviewed: October 17, 2017
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