Smoking attributes of the family in relation to asthma, wheeze, and atopy. Values in parentheses are percentages
| Either parent smokes | Mother smokes | Antenatal smoking | Neither parent smokes | |
|---|---|---|---|---|
| (n=707) (46) | (n=425) (28) | (n=435) (28) | (n=796) (52) | |
| Wheeze in last 12 months (n=267) (17) | 130 (18) | 79 (19) | 78 (18) | 132 (17) |
| Reported eczema (n=272) (18) | 120 (17) | 62 (15) | 76 (17.5) | 145 (18) |
| Reported hay fever (n=317) (21) | 121 (17)2-150 | 66 (15.5)† | 62 (14)‡ | 190 (24) |
| Cough (n=135) (9) | 77 (11)§ | 55 (13)∥ | 43 (10) | 57 (7) |
↵2-150 χ 2=10.32, df=1, p=0.001;† χ 2=9.8, df=1, p=0.0017;‡ χ 2 =15.04, df=1, p=0.0001;§χ2=6.56, df=1, p=0.01;∥ χ 2=12.02, df=1, p=0.0005.