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Table 2 Sociodemographic characteristics of seropositive and seronegative pregnant women to HIV and HBsAg

From: Prevalence of HIV and hepatitis B virus among pregnant women in Luanda (Angola): geospatial distribution and its association with socio-demographic and clinical-obstetric determinants

Characteristics Anti-HIV HBsAg Total
Positive
n (%)
Negative
n (%)
Positive
n (%)
Negative
n (%)
Age group (years)
≤ 19 3 (2.5) 37 (4.9) 5 (2.2) 35 (5.4) 40 (4.6)
20–25 29 (24.6) 164 (21.6) 47 (20.8) 146 (22.4) 193 (21.9)
26–35 61 (51.7) 443 (58.3) 141 (62.4) 363 (55.7) 504 (57.4)
36–47 25 (21.2) 116 (15.2) 33 (14.6) 108 (16.5) 141 (16.1)
Education
Illiterate 1 (0.8) 8 (1.0) 3 (1.3) 6 (0.9) 9 (1.0)
Elementary School 51 (43.2) 290 (38.2) 82 (36.3) 259 (39.8) 341 (38.9)
High school 58 (49.2) 381 (50.1) 118 (52.2) 321 (49.2) 439 (50.0)
Higher education 8 (6.8) 81 (10.7) 23 (10.2) 66 (10.1) 89 (10.1)
Marital status
Married 41 (34.7) 241(31.7) 71 (31.4) 211(32.4) 282 (32.1)
Single 77 (65.3) 519 (68.3) 155 (68.6) 441 (67.6) 596 (67.9)
Occupation
Homemakers 25 (21.2) 176 (23.2) 64 (28.3) 137 (21.0) 201 (22.9)
Public function 39 (33.1) 242 (31.8) 67 (29.6) 214 (32.8) 281 (32.0)
Student 24 (20.3) 167 (22.0) 47 (20.8) 144 (22.1) 191(21.8)
Restaurant waitress 19 (16.1) 92 (12.1) 26 (11.5) 85 (13.0) 111(12.6)
Street vendor 6 (5.1) 48 (6.3) 8 (3.6) 46 (7.1) 54 (6.1)
Store clerk 5(4.2) 35 (4.6) 14 (6.2) 26 (4.0) 40 (4.6)
Residence
Belas 12 (10.2) 108 (14.2) 31 (13.7) 89 (13.7) 120 (13.7)
Cacuaco 3 (2.5) 49 (6.4) 10 (4.4) 42 (6.4) 52 (5.9)
Viana 30 (25.4) 177 (23.3) 55 (24.4) 152 (23.3) 207 (23.6)
Cazenga 8 (6.8) 56 (7.4) 10 (4.4) 54 (8.3) 64 (7.3)
Luanda 65 (55.1) 370 (48.7) 120 (53.1) 315 (48.3) 435 (49.5)
Awareness of HIV and Hepatitis B
Does not know anything 3 (2.5) 8 (1.0) 3(1.3) 8 (1.2) 11 (1.2)
Heard about it but doesn't know anything 107 (90.7) 705 (92.8) 214 (94.7) 598 (91.7) 812 (92.5)
Know anything about the disease 8 (6.8) 47 (6.2) 9(4.0) 46 (7.1) 55 (6.3)
Access to basic sanitation
Yes 78(66.1) 480 (63.2) 148(65.5) 410 (62.9) 558 (63.6)
No 40 (33.9) 280 (36.8) 78 (34.5) 242 (37.1) 320 (36.4)
Gestational age
1st Trimester 37(31.4) 238 (31.3) 72(31.9) 203 (31.1) 275 (31.3)
2nd Trimester 44 (37.2) 334 (44.0) 97 (42.9) 281 (43.1) 378 (43.1)
3rd Trimester 37 (31.4) 188 (24.7) 57 (25.2) 168 (25.8) 225 (25.6)
History of abortion
No 62 (52.5) 416 (54.7) 104 (46.0) 296 (45.4) 478 (54.4)
Yes 56 (47.5) 344 (45.3) 122 (54.0) 356 (54.6) 400 (45.6)
Number of births
0 24 (20.4) 198 (26.0) 57 (25.2) 165(25.3) 222 (25.3)
1 28 (23.7) 214 (28.2) 67(29.7) 175 (26.8) 242 (27.6)
≥ 2 66 (55.9) 348 (45.8) 102 (45.1) 312 (47.9) 414 (47.1)
Spontaneous abortion
Yes 4 (3.4) 41 (5.4) 9 (4.0) 36 (5.5) 45 (5.1)
No 114 (96.6) 719 (94.6) 217 (96.0) 616 (94.5) 833 (94.9)
Pre-natal consultation was performed in all pregnancies
Yes 3 (2.5) 22 (2.9) 221 (97.8) 633 (97.1) 854 (97.3)
No 115 (97.5) 738 (97.1) 5 (2.2) 19 (2.9) 24 (2.7)
Recent blood transfusion
Yes 3 (2.5) 4 (0.5) 3 (1.3) 4 (0.6) 7 (0.8)
No 115 (97.5) 756 (99.5) 223 (98.7) 648 (99.4) 871 (99.2)
Recently needle-stick injury or sharp objects
Yes 3 (2.5) 22 (2.9) 5 (2.2) 20 (3.1) 25 (2.8)
No 115 (97.5) 738 (97.1) 221 (97.8) 632 (96.9) 853 (97.2)
Total 118 760 226 652 878