Percentages of men and women seropositive for H pylori according to method of feeding in infancy and weight at 1 year. Numbers of subjects in parentheses
| Weight at 1 year, pounds (kg) | Method of feeding in infancy | ||
|---|---|---|---|
| Breast | Bottle | Breast + bottle | |
| Men | |||
| ⩽ 21 (9.55) | 53 (122) | 60 (10) | 65 (48) |
| – 23 (10.45) | 51 (160) | 100 (4) | 48 (52) |
| > 23 (10.45) | 47 (148) | 47 (17) | 30 (70) |
| All | 50 (430) | 58 (31) | 45 (170) |
| p for trend | 0.08 | 0.2 | 0.0008 |
| Women | |||
| ⩽ 21 (9.55) | 41 (155) | 80 (5) | 31 (35) |
| – 23 (10.45) | 44 (80) | 0 (5) | 37 (41) |
| > 23 (10.45) | 33 (51) | 100 (3) | 43 (14) |
| All | 40 (286) | 54 (13) | 36 (90) |
| p for trend | 0.5 | 0.6 | 0.5 |