Table 1 Demographic characteristics of the study subjects
Demographics and reproductive characteristics | MLPT group ( n = 129) Mean (SD) | Term group ( n = 3136) Mean (SD) | p -value |
|---|---|---|---|
Maternal age (years) | 27.40 (4.21) | 26.60 (3.61) | 0.028 |
Pre-pregnancy BMI (kg/m2) | 21.40 (3.54) | 20.60 (2.74) | 0.008 |
Birthweight (grams) | 2640 (465) | 3400 (413) | < 0.001 |
Gestational age at delivery (weeks) | 35.20 (1.11) | 39.2 (1.08) | < 0.001 |
N (%) | N (%) | ||
Child sex (male) | 79 (61.2) | 1589 (50.7) | 0.024 |
Parity | 0.719 | ||
Primipara | 116 (89.9) | 2775 (88.5) | |
Multipara | 13 (10.1) | 361 (11.5) | |
Education | 0.712 | ||
Junior high school or below | 29 (22.5) | 628 (20.0) | |
High school | 24 (18.6) | 710 (22.6) | |
Junior college | 42 (32.6) | 971 (31.0) | |
University or above | 34 (26.4) | 827 (26.4) |