Table 1 Characteristics of the study population (N = 1001)
From: The multi-omics signatures of telomere length in childhood
Characteristics | n (%) or mean ± SD | |
|---|---|---|
Cohort | BiB | 92 (9.2%) |
EDEN | 137 (13.7%) | |
INMA | 199 (19.8%) | |
KANC | 193 (19.3%) | |
MoBa | 194 (19.4%) | |
RHEA | 186 (18.6%) | |
Sex | Male | 549 (54.8%) |
Female | 452 (45.2%) | |
Birth weight | < 2500 g | 28 (2.8%) |
[2500 g, 3500 g) | 537 (53.6%) | |
[3500 g, 4500 g) | 313 (31.3%) | |
≥ 4500 g | 99 (9.9%) | |
Child BMIa | Underweight | 62 (6.2%) |
Normal | 709 (70.8%) | |
Overweight | 150 (15.0%) | |
Obese | 59 (5.9%) | |
Maternal education level | Primary school | 113 (11.3%) |
Secondary school | 340 (34.0%) | |
University or higher | 510 (50.9%) | |
Maternal pre-pregnancy BMIb | Underweight | 37 (3.7%) |
Normal | 557 (55.6%) | |
Overweight | 239 (23.9%) | |
Obese | 14 (14.0%) | |
Maternal smoking status | Never smoker | 778 (77.8%) |
Smoked before pregnancy | 0 (0) | |
Sustained smoker during pregnancy | 99 (9.9%) | |
Childhood parental smoking | Neither | 587 (58.6%) |
One | 275 (27.5%) | |
Both | 112 (11.2%) | |
Family affluence scorec | Low | 89 (8.9%) |
Middle | 378 (37.8%) | |
High | 513 (51.3%) | |
Age (years) | 7.9 ± 1.6 | |
Gestational age (weeks) | 39.6 ± 1.6 | |
Child moderate-to-vigorous physical activity (min/day) | 40.0 ± 25.3 | |
KIDMED index in childrend | 2.8 ± 1.7 | |