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Table 3 Syphilis infection in relation to clinical history, sexual behavior, and awareness of pregnant women about the disease

From: Seroprevalence of syphilis and its risk factors among pregnant women attending antenatal care at Felege Hiwot Referral Hospital, Bahir Dar, northwest Ethiopia: a cross-sectional study

Characteristics Total examined n (%) Serostatus X2 (df) P-value COR (CI 95%) P-value
Positive n (%) Negative n (%)
Parity
 Primigravidae 167 (43.5) 3 (1.8) 164 (98.2) 5.58 (2) 1.00  
 Bigravidae 118 (30.7) 5 (4.2) 113 (95.8) P = 0.061 1.12 (0.18,6.86) 0.897
 Multigravidae 99 (25.8) 2 (2.0) 97 (98.0)   0.46 (0.08,2.45) 0.368
Gestational period (stage)
 1st trimester 39 (10.2) 3 (10.3) 36 (89.7) 10.1 (2) 1.00  
 2nd trimester 136 (35.4) 2 (1.5) 134 (98.5) P = 0.006 5.58 (0.89, 34.68) 0.065
 3rd trimester 209 (54.4) 5 (1.9) 205 (98.1)   3.40 (0.77,14.85) 0.104
Stillbirths
 Yes 95 (24.7) 4 (4.2) 91 (95.8) 1.28 (1) 0.48 (0.13,1.74) 0.267
 No 289 (75.3) 6 (2.0) 283 (98.0) P = 0.257 1.00  
History of abortion
 Yes 22 (5.7) 2 (9.0) 20 (91.0) 3.82 (1) 4.42 (0.88,22.21) 0.071
 No 362 (94.3) 8 (2.2) 354 (97.8) P = 0.049 1.00  
History of any STDs
 Yes 34 (8.9) 2 (5.9) 32 (94.1) 1.58 (1) 2.67 (0.54,13.11) 0.226
 No 350 (91.4) 8 (2.3) 342 (97.7) P = 0.209 1.00  
Multi-sexual exposure
 Yes 122 (31.8) 7 (5.7) 115 (94.3) 3.95 (1) 5.25 (1.33, 20.68) 0.018
 No 263 (68.2) 3 (1.1) 260 (98.9) P = 0.009 1.00  
Condom use
 Yes 99 (25.9) 2 (2.0) 97 (98.0) 0.17 (1) 1.00 0.673
 No 285 (74.1) 8 (2.7) 277 (97.2) P = 0.672 0.71 (0.14, 3.42)  
Reason not to use condom
 Partner objection 39 (13.7%) 2 (5.1%) 37 (94.9%) 1.99 (4) 2.19 (0.35, 13.65) 0.386
P = 0.737
 Dislike using condom 70 (24.56%) 2 (2.9%) 68 (97.1%)   1.19 (0.19, 7. 33) 0.846
 Ashamed to ask my partner 51 (17.89%) 2 (4%) 49 (96%)   1.65 (0.26, 10.24) 0.581
 Faithful to my partner 125 (43.85%) 3 (2.4%) 122 (97.6%)   1  
Knowledge of sexual transmission
 Yes 301 (78.4) 7 (2.3) 294 (97.7) 0.42 (1) 1.00 0.517
 No 83 (21.6) 3 (3.6) 80 (96.4) P = 0.514 0.63 (0.16, 2.51)  
Knowledge of transplacental transmission
 Yes 104 (27.0) 3 (2.9) 101 (97.1) 0.04 (1) 1.00 0.738
 No 280 (73.0) 7 (2.5) 273 (97.5) P = 0.833 1.30 (0.27, 6.31)  
Knowledge about symptoms
 Yes 127 (33.1) 3 (2.4) 124 (97.6) 0.040 (1) 1.00 0.834
 No 257 (66.9) 7 (2.7) 250 (97.3) P = 0.834 1.15 (0.29,4.55)  
Knowledge of prevention of STI through condom use
 Yes 326 (84.9) 6 (1.8) 320 (98.2) 4.96 (1) 1.00 0.038
 No 58 (15.1) 4 (6.9) 54 (93.1) P = 0.833 3.95 (1.07,14.46)