Table 2 Distribution of confounding variables according to duration of breastfeeding.
From: Breastfeeding moderates FTO related adiposity: a birth cohort study with 30 years of follow-up
Duration of breastfeeding (months) | ||||
|---|---|---|---|---|
<1 | 1–2.9 | 3–5.9 | ≥6 | |
Family income at birth (quintiles) | ||||
1st | 23.1% | 26.4% | 19.6% | 30.9% |
2nd | 19.3% | 26.1% | 21.5% | 33.2% |
3rd | 24.9% | 25.7% | 21.9% | 27.4% |
4th | 22.6% | 27.2% | 24.5% | 25.7% |
5th | 16.4% | 22.6% | 27.7% | 33.4% |
Maternal schooling (years) | ||||
0–4 | 21.9% | 26.3% | 19.5% | 32.3% |
5–8 | 23.4% | 26.3% | 23.3% | 27.1% |
9–11 | 18.0% | 26.3% | 29.6% | 26.0% |
≥12 | 16.0% | 21.5% | 25.8% | 36.7% |
Sex | ||||
Male | 22.5% | 25.2% | 22.5% | 29.9% |
Female | 20.3% | 26.1% | 23.6% | 30.1% |
Maternal smoking during pregnancy | ||||
No | 20.5% | 22.8% | 23.7% | 33.0% |
Yes | 23.0% | 30.8% | 21.9% | 24.3% |
Birthweight (grams) | ||||
<2500 | 30.6% | 27.8% | 19.2% | 22.4% |
2500–2999 | 22.7% | 26.1% | 24.4% | 26.8% |
3000–3499 | 20.5% | 26.4% | 22.2% | 30.9% |
≥3500 | 19.2% | 23.8% | 24.0% | 33.1% |
Maternal prepregnancy body mass index | ||||
Underweight | 24.7% | 26.9% | 24.7% | 23.7% |
Normal | 20.9% | 25.9% | 23.3% | 29.9% |
Overweight | 21.3% | 23.2% | 23.8% | 31.7% |
Obese | 28.2% | 16.2% | 23.2% | 32.4% |
