| Anaemia at age 6.5 yearsa | ||||||
---|---|---|---|---|---|---|---|
Variables | N | Yes N (%) | No N (%) | Crude OR (95Â % CI) | P-value | Adjusted ORc (95Â % CI) | P-value |
Exposure to H. pylori at age 3 | Â | Â | Â | Â | Â | Â | Â |
No | 300 | 102 (34.0) | 198 (66.0) | 1 | Â | 1 | Â |
Yes | 212 | 77 (36.3) | 135 (67.7) | 1.12 (0.76-1.60) | 0.58 | 1.16 (0.79-1.71) | 0.44 |
Exposure to H. pylori at age 5 | Â | Â | Â | Â | Â | Â | Â |
No | 406 | 124 (30.5) | 282 (69.5) | 1 | Â | 1 | Â |
Yes | 323 | 128 (39.6) | 195 (60.4) | 1.49 (1.09-2.02) | 0.01 | 1.52 (1.11-2.08) | 0.01 |
Exposure to H. pylori at age 6.5 | Â | Â | Â | Â | Â | Â | Â |
No | 666 | 230 (34.5) | 436 (65.5) | 1 | Â | 1 | Â |
Yes | 73 | 27 (37.0) | 46 (63.0) | 1.11 (0.67-1.83) | 0.67 | 1.15 (0.69-1.93) | 0.59 |
Exposure to H. pylori up to age 6.5 b | Â | Â | Â | Â | Â | Â | Â |
Never infected | 309 | 88 (28.5) | 221 (71.5) | 1 | Â | 1 | Â |
Infected at any age up to age 6.5 | 430 | 169 (39.3) | 261 (60.7) | 1.62 (1.19-2.23) | 0.01 | 1.68 (1.22-2.32) | 0.01 |