Variables Cases (%) Controls (%) Bivariate analysis Multivariate analysis
Crude OR (95% CI) p Adjusted OR (95% CI) p
Demographic characteristics
Mother’s age at the beginning of the pregnancy            
< 26 years 6 (18) 22 (23) 1   - -
26 – 35 years 17 (50) 51 (54) 1.22 (0.42-3.52) 0.710 - -
≥ 35 years 11 (32) 22 (23) 1.83 (0.58-5.83) 0.360 - -
Country of birth            
Other 13 (38) 33 (35) 1   - -
Guiana/France 8 (24) 10 (10) 2.02 (0.66-6.28) 0.220 - -
Haiti 13 (38) 52 (55) 0.63 (0.26-1.54) 0.310 - -
Education level            
Never schooled 7 (21) 28 (29) 1   - -
Schooled 27 (79) 67 (71) 1.61 (0.63-4.13) 0.320 - -
Matrimonial status            
Single 12 (35) 48 (51) 1   - -
Couple 22 (65) 47 (49) 1.87 (0.83-4.21) 0.120 - -
Administrative status of foreigners            
No residence permit 6 (24) 31 (36) 1   - -
Residence permit 19 (76) 54 (64) 1.82 (0.66-5.03) 0.240 - -
Housing            
House/appartment 29 (85) 86 (91) 1   - -
In someone’s house 5 (15) 9 (9) 1.65 (0.51-5.32) 0.400 - -
Socio-economic characteristics
Type of health insurrance            
AME 5 (15)  29 (33) 1   - -
CMU 19 (56)  23 (26) 4.79 (1.55-14.79) 0.006 - -
ALD 10 (29) 37 (41) 1.57 (0.48-5.09) 0.460 - -
Profession            
No 25 (74) 88 (93) 1   1  
Yes 9 (26) 7 (7) 4.53 (1.53-13.37) 0.006 5.62 (1.30-24.26) 0.020
Number of children to care for            
≤ 1 child 5 (15) 12 (13) 1   - -
2-6 children 6 (17) 38 (40) 0.38 (0.1-1.47) 0.160 - -
≥ 6 children 23 (68) 45 (47) 1.23 (0.39-3.9) 0.730 - -
Mode of transport            
Other modes 20 (59) 82 (86) 1   - -
Private car 14 (41) 13 (14) 4.42 (1.8-10.85) 0.001 - -
Disclosure to the Doctor            
No 22 (65) 90 (95) 1   1  
Yes 12 (35) 5 (5) 9.82 (3.13-30.78) <0.001 12.65 (2.87-55.8) <0.001
Desired pregnancy            
No 18 (53) 80 (84) 1   - -
Yes 16 (47) 15 (16) 4.74 (1.99-11.32) <0.001 - -
Use of condoms            
No 17 (50) 79 (83) 1   - -
Yes 17 (50) 16 (17) 4.94 (2.09-11.68) <0.001 - -
Partner’s HIV status            
Infected 16 (47) 1 (1) 1   1  
No infected 18 (53) 94 (99) 0.01 (0.005-0.1) <0.001 0.01 (0.001-0.07) <0.001
Additional income            
No 5 (15) 17 (18) 1   - -
Yes 29 (85) 78 (82) 1.26 (0.43-3.74) 0.670 - -
Benefitted from food parcels            
No 32 (94) 88 (93) 1   - -
Yes 2 (6) 7 (7) 0.79 (0.16-3.98) 0.770 - -
Perceptions towards HIV and addictions
Negative image to others            
Absence 4 (12) 4 (4) 1   - -
Presence 30 (88) 91 (96) 0.33 (0.08-1.4) 0.130** - -
HIV gives a negative representations of HIV            
Absence 7 (21) 9 (9) 1   1  
Presence 27 (79) 86 (91) 6.48 (1.99-21.08) 0.002*** 5.99 (1.17-30.69) 0.032
Alcohol or tobacco use during pregnancy            
No 29 (85) 77 (81) 1   - -
Yes 5 (15) 18 (19) 0.16 (0.02-1.27) 0.084 - -
Marijuana, crack or cocaine use            
No 29 (85) 89 (94) 1   - -
Yes 5 (15) 6 (6) 0.48 (0.1-2.27) 0.350 - -
Faiths and attitudes towards the HIV
Practice of religion            
No 4 (15) 11 (12) 1   - -
Yes 30 (85) 84 (88) 0.95 (0.28-3.21) 0.930 - -
Type of religion practiced            
Catholic 11 (37) 32 (38) 1   - -
Evangelical 19 (63) 52 (62) 1.06 (0.45-2.52) 0.890 - -
Use of traditional healer            
No 29 (85) 82 (86) 1   - -
Yes 5 (15) 13 (14) 1.06 (0.45-2.52) 0.900 - -
The woman has a new partner            
No 33 (97) 76 (80) 1   - -
Yes 1 (3) 19 (20) 0.12 (0.02-0.94) 0.044**** - -
Disclosure of HIV status to close ones            
No 25 (74) 92 (97) 1   - -
Yes 9 (26) 3 (3) 11.04 (2.78-43.86) <0.001 - -
Persons who were told about HIV status            
Friends 1 (11) 2 (67) 1   - -
Siblings, parents 8 (89) 1 (33) 16 (0.67-383.01) 0.087 - -
Clinical follow up and immunovirological status
Followed            
No 2 (6) 4 (4) 1   - -
Yes 32 (94) 91 (96) 0.7 (0.12-4.03) 0.690 - -
Place of follow up            
Private practice 11 (34) 25 (27) 1   - -
Hospital 21 (66) 66 (73) 0.82 (0.35-1.93) 0.660 - -
Modalities of follow up            
Irregular 2 (6) 15 (16) 1   - -
Regular 30 (94) 76 (84) 2.04 (0.55-7.54) 0.260    
HIV related diseases during pregnancy            
No 29(85) 92(97) 1   1  
Yes 5(15) 3(3) 5.29 (1.19-23.48) 0.029 6.57 (0.66-64.93) 0.136
Number of prenatal visits            
≤ 6 7 (22) 25 (27) 1   - -
>6 25 (78) 83 (73) 1.38 (0.53-3.56) 0.510 - -
Viral load, CD4 measured            
No 13 (38) 17 (18) 1   - -
Yes 21 (62) 78 (82) 0.35 (0.15-0.84) 0.018 - -
* Obtained using conditional logistic regression with indicator variables for non binary variables
* Low power (29%)
*** Low power (28%)
**** Low power (30%)
Table 1: Case and control description, bivariate and multivariate analysis*.