Testing for hepatitis B virus alone does not increase vaccine coverage in non-immunized persons

Table 1 Description of the study population n (%)

	Total (n = 1215)	Follow-up contact		P value
		Reply (n = 902)	No reply (n = 313)
Male	702 (57.8)	511 (56.7)	191 (61.0)	0.18
Age (yr), mean ± SD	36 ± 15	37 ± 15	34 ± 14	0.02
HBV prevalence of birth country				< 0.001
Low (< 2.0%)	670 (55.1)	527 (58.4)	143 (45.7)
Intermediate (2.0%-8.0%)	331 (27.2)	222 (24.6)	109 (34.8)
High (> 8.0%)	214 (17.6)	153 (17.0)	61 (19.5)
Parents from high endemic region	276 (22.7)	205 (22.7)	71 (22.7)	0.9
Traveled to high endemic region1	284 (23.4)	204 (22.6)	80 (25.6)	0.3
Healthcare in high endemic region	177 (14.6)	124 (13.8)	53 (16.9)	0.17
Health insurance plan				< 0.001
Social security/CMU2	913 (75.2)	719 (79.7)	194 (62.0)
CMUc3	61 (5.0)	47 (5.2)	14 (4.5)
AME4/Other/ None	241 (19.8)	136 (15.1)	105 (33.6)
Received transfusion	48 (4.0)	33 (3.7)	15 (4.8)	0.4
Received tattoos	151 (12.4)	100 (11.1)	51 (16.3)	0.02
Received piercing	510 (42.0)	387 (42.9)	123 (39.3)	0.3
Close contact with HBV+ individual	75 (6.2)	57 (6.4)	18 (5.8)	0.7
Number of life-time sexual partners				0.001
0-1	181 (14.9)	118 (13.1)	63 (20.1)
2-9	560 (46.1)	409 (45.3)	151 (48.2)
≥ 10	474 (39.0)	375 (41.6)	99 (31.6)
> 1 sexual partner within 12 mo	593 (48.8)	447 (49.6)	146 (46.7)	0.4
Men who have sex with men	93 (8.9)	73 (8.1)	20 (6.4)	0.3
Nasal drug-use	145 (11.9)	108 (12.0)	37 (11.8)	0.9
Intravenous drug-use	5 (0.4)	5 (0.6)	0	0.3
Long-term stay at a medical center	50 (4.1)	38 (4.2)	12 (3.8)	0.8
Previously incarcerated	87 (7.2)	63 (7.0)	24 (7.7)	0.7

Participants with reply and no reply were compared using Kruskal-Wallis test for continuous variables and Pearson χ² test or Fisher's exact test for categorical variables.

¹Period of stay was longer than 3 mo;

²Couverture médicale universelle, minimum health insurance coverage that is given to persons living in precarious situations (i.e. unemployed, poverty, etc.);

³Couverture médicale universelle complémentaire, additional health insurance coverage that is given to stable residents in France living with limited financial resources;

⁴Aide médicale d’état, health insurace generally given to immigrants without proper documentation.