Table 1. Baseline characteristics of the total cohort participating in the age 10 years data collection wave compared to the sub-cohort with child mental health problems and microbiome data.
CBCL at age10 and microbiome | Participated in CBCL at age 10 | P | |
---|---|---|---|
N | 1,784 | 5,523 | |
Age, years (mean (SD)) | 9.8 (0.29) | 9.7 (0.33) | <0.001 |
Sex, girls (%) | 48.8 | 50.1 | 0.342 |
BMI, kg/m2 (mean (SD)) | 17.2 (2.43) | 17.4 (2.55) | 0.012 |
Use of antibiotics, yes (%) | 7.3 | ||
Last month (%) | 1.2 | ||
1–3 months ago (%) | 2.0 | ||
3 months to 1 year ago (%) | 4.1 | ||
Education level mother at child birth | 0.069 | ||
No education (%) | 0.1 | ||
Primary education (%) | 4.3 | ||
Lower vocational training, intermediate general school (%) | 8.2 | ||
>3 years secondary school or vocational training | 27.9 | ||
Bachelor’s degree | 25.4 | ||
Higher academic education or PhD | 29.1 | ||
Missing (%) | 5.0 | 6.0 | |
Country of origin | 0.208 | ||
Dutch (%) | 66.3 | 64.4 | |
Non-Dutch (%) | 32.9 | 34.4 | |
Missing (%) | 0.8 | 1.2 |
Continuous data was compared using t-statistics, while categorical data was compared using Chi-square statistics. CBCL: Child Behavior Checklist, the child mental health problems; SD: standard deviation.