Characteristics of 545 children followed up at mean age of 7.3 years according to type of milk feeding in infancy. Values are numbers (percentages) of children
| Breast feeding | |||
|---|---|---|---|
| Exclusive (>15 weeks) (n=141) | Partial (<15 weeks) (n=203) | Bottle feeding (n=201) | |
| Social class: | |||
| I (n=55) | 25 (45) | 20 (36) | 10 (18) |
| II (n=122) | 53 (43) | 43 (35) | 26 (21) |
| IIIa (n=62) | 17 (27) | 27 (44) | 18 (29) |
| IIIb (n=152) | 26 (17) | 63 (41) | 63 (41) |
| IV (n=50) | 8 (16) | 20 (40) | 22 (44) |
| V (n=13) | 1 (8) | 4 (31) | 8 (62) |
| Other (n=90) | 11 (12) | 26 (29) | 53 (59) |
| Unknown (n=1) | 0 | 0 | 1 (100) |
| No of people smoking in household: | |||
| 0 (n=326) | 106 (33) | 128 (39) | 92 (28) |
| 1 (n=139) | 27 (19) | 46 (33) | 66 (47) |
| 2 (n=75) | 8 (11) | 28 (37) | 39 (52) |
| >3 (n=5) | 0 | 1 (20) | 4 (80) |
| Paternal history of allergic disease: | |||
| No (n=411) | 98 (24) | 157 (38) | 156 (38) |
| Yes (n=134) | 43 (32) | 46 (34) | 45 (34) |
| Maternal history of allergic disease: | |||
| No (n=400) | 99 (25) | 143 (36) | 158 (40) |
| Yes (n=145) | 42 (29) | 60 (41) | 43 (30) |
| Sex: | |||
| Male (n=250) | 56 (22) | 100 (40) | 94 (38) |
| Female (n=295) | 85 (29) | 103 (35) | 107 (36) |
* Based on the classification of the Office of Population Censuses and Surveys. Other includes unemployed and armed forces.