Table 1 Selected characteristics of pregnant women and newborns and distributions of relative telomere length (RTL) between maternal blood and cord blood.
Variables | No. (%) | RTL of maternal blood | RTL of cord blood | P a |
|---|---|---|---|---|
Age at current pregnancy (Years) | ||||
<25 | 53(11.94) | 0.320 ± 0.091 | 0.358 ± 0.095 | 0.052 |
25~35 | 359(80.86) | 0.305 ± 0.080 | 0.354 ± 0.106 | 0.000 |
≥35 | 32(7.21) | 0.327 ± 0.105 | 0.343 ± 0.087 | 0.534 |
Pb | 0.042 | 0.260 | ||
Season of delivery | ||||
March–May | 153(34.46) | 0.309 ± 0.077 | 0.358 ± 0.102 | 0.000 |
June–August | 165(37.16) | 0.315 ± 0.087 | 0.353 ± 0.118 | 0.001 |
September–November | 93(20.95) | 0.296 ± 0.080 | 0.350 ± 0.081 | 0.000 |
December–February | 33(7.43) | 0.314 ± 0.097 | 0.350 ± 0.086 | 0.124 |
Pb | 0.350 | 0.947 | ||
Gestational age (weeks) | ||||
<37 | 45(10.14) | 0.310 ± 0.074 | 0.369 ± 0.119 | 0.010 |
≥37 | 399(89.86) | 0.308 ± 0.084 | 0.352 ± 0.101 | 0.000 |
Pb | 0.897 | 0.294 | ||
Birth weight (g) | ||||
<2,500 | 35(7.88) | 0.318 ± 0.090 | 0.372 ± 0.135 | 0.069 |
≥2500 | 409(92.12) | 0.308 ± 0.083 | 0.352 ± 0.100 | 0.000 |
Pb | 0.492 | 0.281 | ||
Mode of delivery | ||||
Vaginal | 363(81.76) | 0.309 ± 0.085 | 0.353 ± 0.102 | 0.000 |
Cesarean section | 81(18.24) | 0.308 ± 0.078 | 0.358 ± 0.112 | 0.002 |
Pb | 0.905 | 0.685 | ||
Sex of newborns | ||||
Boy | 226(50.90) | 0.306 ± 0.083 | 0.347 ± 0.103 | 0.000 |
Girl | 218(49.10) | 0.311 ± 0.083 | 0.361 ± 0.104 | 0.000 |
Pb | 0.579 | 0.133 | ||
