Table 1 Characteristics of study participants
Variable | n (%) | Median (range) |
|---|---|---|
Child characteristics | ||
Sex | ||
Male | 156 (54) | |
Female | 134 (46) | |
Gestational age (weeks) | 290 (100) | 40 (36, 42) |
Birth weight (kg) | 290 (100) | 3.0 (2.2, 4.2) |
42 month examination | ||
Weight (kg) | 290 (100) | 15 (11, 20) |
Height (cm) | 290 (100) | 97 (89, 105) |
BMI | 290 (100) | 16 (13, 20) |
BMI z-score | 290 (100) | 0.5 (−2.0, 3.0) |
Maternal characteristics | ||
Age at delivery (years) | 290 (100) | 31 (20, 41) |
Height (cm) | 290 (100) | 158 (147, 173) |
Weight (kg, pre-pregnancy) | 290 (100) | 52 (41, 81) |
BMI (pre-pregnancy) | 290 (100) | 21 (16, 34) |
Weight (kg, postpartum) | 216 (75) | 55 (42, 83) |
Weight gain during pregnancy (kg) | 258 (89) | 9.3 (−1.4, 21.0) |
Total breastfeeding duration (years) | 290 (100) | 1.4 (0.1, 4.0) |
Education | 290 (100) | |
Junior high school | 5 (2) | |
High school | 65 (22) | |
College | 127 (44) | |
University | 92 (32) | |
Unknown | 1 (0) | |
Fish intake (g/year) | 290 (100) | 21,977 (0, 112,603) |