H pylori | Hepatitis A virus | ||||||
---|---|---|---|---|---|---|---|
Seropositive (n=446) | Seronegative (n=259) | Seropositive (n=407) | Seronegative (n=59) | ||||
Father’s occupation | |||||||
Manual | 388 (87) | 192 (74) | 344 (84) | 36 (61) | |||
Non-manual | 58 (13) | 67 (26) | 63 (16) | 23 (39) | |||
Mean (SD) no. of siblings | 4.6 (2) | 3.7 (2) | 4.6 (2) | 2.3 (1) | |||
Mean (SD) crowding (people per room) | 3.2 (2.4) | 2.1 (1.9) | 3.2 (2.4) | 2.3 (1) | |||
Own bed | 230 (52) | 177 (68) | 212 (52) | 53 (90) | |||
Own bedroom | 240 (54) | 190 (73) | 224 (55) | 53 (90) | |||
Bathroom | 381 (85) | 237 (92) | 358 (88) | 55 (93) | |||
Refrigerator | 190 (43) | 160 (62) | 187 (46) | 49 (83) | |||
Hot water supply | 118 (26) | 125 (48) | 113 (28) | 44 (75) | |||
Household pets | 152 (34) | 89 (34) | 126 (31) | 25 (42) | |||
Social class grouping | |||||||
Low | 242 (54) | 84 (32) | 212 (52) | 7 (12) | |||
Middle | 204 (46) | 175 (68) | 195 (48) | 52 (88) | |||
Seropositive for: | |||||||
H pylori | 446 (100) | 0 | 275 (67) | 16 (27) | |||
Hepatitis A virus | 275 (94)† | 132 (75)†† | 407 (100) | 0 |
In subsets of †291 and ††175 subjects.
Values are numbers (%) or mean (SD) as indicated.