Characteristics | Crude PR | 95% CI | Adjusted PR | 95% CI | p |
---|---|---|---|---|---|
Father education) | Â | Â | Â | Â | 0.011 |
≤ 4 | 1.00 |  | 1.00 |  |  |
5–7 | 0.94 | 0.77 – 1.16 | 0.98 | 0.80 – 1.20 |  |
8–10 | 0.65 | 0.42 – 1.02 | 0.69 | 0.46 – 1.06 |  |
≥ 11 | 0.42 | 0.24 – 0.74 | 0.47 | 0.28 – 0.79 |  |
N° siblings |  |  |  |  | 0.0011 |
0–2 | 1.00 |  | 1.00 |  |  |
3–4 | 1.44 | 1.13 – 1.83 | 1.44 | 1.11 – 1.86 |  |
5–6 | 1.32 | 1.02 – 1.71 | 1.27 | 0.96 – 1.68 |  |
≥ 7 | 1.59 | 1.28 – 1.98 | 1.55 | 1.22 – 1.98 |  |
Day-care centre in childhood | Â | Â | Â | Â | 0.001 |
Yes | 1.01 | 1.01 – 1.01 | 1.53 | 1.18 – 1.97 |  |
No | 1.00 | Â | 1.00 | 1.00 | Â |
Current family income (MW) | Â | Â | Â | Â | 0.071 |
≤ 1.00 | 1.00 |  | 1.00 |  |  |
1.01–3.00 | 0.80 | 0.66 – 0.96 | 0.86 | 0.69 – 1.06 |  |
3.01–5.00 | 0.86 | 0.71 – 1.03 | 0.97 | 0.79 – 1.19 |  |
≥ 5.01 | 0.52 | 0.39 – 0.69 | 0.68 | 0.49 – 0.93 |  |
Ethnicity | Â | Â | Â | Â | <0.001 |
White | 1.00 | Â | 1.00 | Â | Â |
Non white | 1.39 | 1.21 – 1.61 | 1.32 | 1.14 – 1.54 |  |
Dyspeptic symptoms | Â | Â | Â | Â | 0.002 |
No | 1.00 | Â | 1.00 | Â | Â |
Yes | 1.22 | 1.04 – 1.44 | 1.28 | 1.10 – 1.50 |  |