From: Can cell proliferation of umbilical cord blood cells reflect environmental exposures?
Patients characteristics | Patients with cell proliferation in | p value | N = 346 (N = 286) | Geometric mean (95% CI) | Prevalence ratio | p value | |||
---|---|---|---|---|---|---|---|---|---|
Q1: 0.71–1.48 | Q2: 1.48–2.15 | Q3: 2.15–3.15 | Q4: 3.15–8.78 | ||||||
N = 86 | N = 87 | N = 86 | N = 87 | ||||||
Maternal age at delivery, years | |||||||||
Mean ± SD | 26.4 ± 5.0 | 28.4 ± 6.6 | 27.1 ± 6.0 | 27.6 ± 5.9 | 0.167 | <26 163 (47.8) | 2.17 (2.02; 2.34) | 1.00 | |
Median | 26 | 27 | 25 | 26 | ≥26 178 (52.2) | 2.17 (2.01; 2.36) | 1.00c | 0.988 | |
Parity, % (n) | |||||||||
1st delivery | 29.1% (25) | 27.6% (24) | 34.9% (30) | 28.7% (25) | 0.956 | 104 (30.5) | 2.18 (1.99; 2.39) | 1.00 | |
2–5 deliveries | 48.8% (42) | 47.1% (41) | 39.5% (34) | 49.4% (43) | 160 (46.9) | 2.17 (1.99; 2.36) | 1.00c | 0.961 | |
6+ deliveries | 20.9% (18) | 23.0% (20) | 24.4% (21) | 20.7% (18) | 77 (22.7) | 2.17 (1.96; 2.41) | 1.00c | 0.988 | |
Lack of Prenatal Care, % (n) | 7.0% (6) | 8.0% (7) | 10.5% (9) | 12.6% (11) | 0.586 | No: 312 (90.2) Yes: 34 (9.8) | 2.15 (2.03; 2.27) 2.41 (2.01; 2.89) | 1.00 1.12 | 0.205 |
Consanguineous marriagea,b, % (n) | 46.3% (31) | 52.1% (37) | 49.3% (34) | 53.5% (38) | 0.837 | No: 138 (49.6) Yes: 140 (50.4) | 2.13 (1.96; 2.31) 2.23 (2.08; 2.43) | 1.00 1.05 | 0.434 |
Relative proximity in consanguineous marriage, % (n) | |||||||||
1st degree | 80.0% (24) | 63.6% (21) | 76.5% (26) | 89.2% (33) | 0.141 | 104 (77.6) | 2.30 (2.07; 2.56) | 1.00 | |
2nd degree | 20.0% (6) | 24.2% (8) | 17.6% (6) | 5.4% (2) | 22 (16.4) | 1.90 (1.62; 2.23) | 0.83 | 0.118 | |
Distant relatives | 0.0% (0) | 12.1% (4) | 5.9% (2) | 5.4% (2) | 8 (6.0) | 2.40 (1.84; 3.13) | 1.04 | 0.831 | |
History of repeated abortions | 7.0% (6) | 6.9% (6) | 2.3% (2) | 2.3% (2) | 0.241 | No: 330 (95.4) Yes: 16 (4.6) | 2.19 (2.08; 2.31) 1.77 (1.37; 2.28) | 1.00 0.81 | 0.092 |
Received a recommendation for abortion | No: 278 (97.2) Yes: 16 (2.8) | 2.20 (2.08; 2.33) 1.43 (1.03; 1.99) | 1.00 0.65 | 0.016 | |||||
Chronic disease | 11.6% (10) | 8.0% (7) | 9.3% (8) | 13.8% (12) | 0.622 | No: 337 (97.4) Yes: 9 (2.6) | 2.16 (2.05; 2.28) 2.52 (1.62; 3.93) | 1.00 1.18 | 0.359 |
Diabetes mellitus | 8.1% (7) | 3.4% (3) | 5.8% (5) | 9.2% (8) | 0.432 | No: 338 (97.7) Yes: 8 (2.3) | 2.17 (2.05; 2.29) 2.33 (1.46; 3.74) | 1.00 1.08 | 0.68 |
Chronic hypertension | 0.0% (0) | 0.0% (0) | 0.0% (0) | 2.3% (2) | 0.112 | No: 344 (99.4) Yes: 2(0.6) | 2.16 (2.05; 2.28) 4.81 (4.00; 5.79) | 1.00 2.23 | 0.024 |
Self-reported complications in pregnancya, % (n) | 1.4% (1) | 2.7% (2) | 0.0% (0) | 0.0% (0) | 0.312 | No: 283 (99.0) Yes: 3 (1.0) | 2.19 (2.06; 2.32) 1.34 (0.58; 3.07) | 1.00 0.61 | 0.091 |
Paternal smokinga, % (n) | 98.4% (63) | 95.8% (69) | 92.8% (64) | 92.9% (65) | 0.384 | No: 14 (5.1) Yes: 261 (94.9) | 2.70 (2.03; 3.60) 2.16 (2.04; 2.30) | 1.00 0.8 | 0.105 |