Symptoms of allergic disease ages 0–16 years | Occupational group (based only on job title) | ||
Reference (n=3019) | Other (n=968) | High risk (n=1033) | |
RRR (95% CI) | RRR (95% CI) | RRR (95% CI) | |
(1) Adjusted for sex, father's social class at birth*, region | |||
Eczema (p=0.641) | |||
No | 1 | 1 | 1 |
Yes† | 1 | 1.03 (0.81 to 1.31) | 1.12 (0.89 to 1.41) |
Hay fever (p=0.004) | |||
No | 1 | 1 | 1 |
Yes‡ | 1 | 0.87 (0.71 to 1.07) | 0.71 (0.57 to 0.87) |
Asthma or wheezy bronchitis (p=0.199) | |||
No | 1 | 1 | 1 |
Symptoms: only in childhood§ | 1 | 0.89 (0.72 to 1.10) | 1.00 (0.82 to 1.22) |
Symptoms: in adolescence¶ | 1 | 1.12 (0.82 to 1.55) | 1.38 (1.03 to 1.85) |
(2) Adjusted for sex, father's social class at birth*, region, school leaving age*, further education on leaving school* | |||
Eczema (p=0.554) | |||
No | 1 | 1 | 1 |
Yes† | 1 | 1.05 (0.82 to 1.34) | 1.14 (0.90 to 1.45) |
Hay fever (p=0.052) | |||
No | 1 | 1 | 1 |
Yes‡ | 1 | 0.93 (0.75 to 1.14) | 0.77 (0.62 to 0.95) |
Asthma or wheezy bronchitis (p=0.141) | |||
No | 1 | 1 | 1 |
Symptoms: only in childhood§ | 1 | 0.89 (0.72 to 1.11) | 1.00 (0.82 to 1.23) |
Symptoms: in adolescence¶ | 1 | 1.16 (0.84 to 1.61) | 1.46 (1.08 to 1.98) |
(3) Adjusted for sex, father's social class at birth*, region, school leaving age*, further education on leaving school* and for each other | |||
Eczema (p=0.559) | |||
No | 1 | 1 | 1 |
Yes† | 1 | 1.05 (0.82 to 1.36) | 1.14 (0.90 to 1.46) |
Hay fever (p=0.007) | |||
No | 1 | 1 | 1 |
Yes‡ | 1 | 0.90 (0.73 to 1.12) | 0.70 (0.56 to 0.88) |
Asthma or wheezy bronchitis (p=0.062) | |||
No | 1 | 1 | 1 |
Symptoms: only in childhood§ | 1 | 0.90 (0.73 to 1.11) | 1.01 (0.82 to 1.24) |
Symptoms: in adolescence¶ | 1 | 1.20 (0.86 to 1.68) | 1.60 (1.17 to 2.19) |
↵* For these variables, missing/unknown categories have been retained in the model to preserve sample size.
↵† Eczema reported at ages 7 (including eczema seen at 7), 11 and/or 16.
↵‡ Hay fever or allergic rhinitis reported at ages 7, 11 and/or 16.
↵§ Asthma and/or wheezy bronchitis ever, reported at ages 7 and/or 11, but no report at the 16-year follow-up of any attacks since 11th birthday.
↵¶ Asthma and/or wheezy bronchitis: most recent attack at ages 11–16 according to parental report at the 16-year follow-up.