Table 2.

Age standardised prevalences (numbers of participants) of respiratory illness, smoking, and social class at age 45–54 years

MenWomen
Fathers, 1972–6 (n=737)Sons, 1996 (n=494)Mothers, 1972–6 (n=971)Daughters, 1996 (n=630)
Respiratory illness
Hay fever5.4 (42)15.4 (79)5.8 (56)20.0 (128)
Asthma:
In those without hay fever1.0 (9)*4.1 (16)*1.8 (16)*4.8 (25)*
In those with hay fever9.7 (4)†9.1 (9)†19.9 (11)†20.5 (26)†
All1.4 (13)4.9 (25)2.8 (27)8.0 (51)
Wheeze13.9 (109)5.7 (28)9.0 (88)4.7 (27)
Chronic sputum23.9 (181)14.2 (73)13.4 (130)7.0 (43)
Breathlessness9.0 (67)6.3 (29)13.2 (128)9.2 (60)
Cigarette smoking
Never20.4 (151)38.2 (199)40.0 (389)46.2 (296)
Former24.6 (190)35.4 (166)8.3 (81)29.4 (185)
Current55.0 (396)26.4 (129)51.7 (501)24.4 (149)
Social class
Non-manual32.5 (242)55.4 (274)47.2 (457)76.7 (480)
Manual67.5 (495)44.6 (220)52.8 (514)23.3 (150)
  • Standardisation for age differences means that percentages differ from estimates based on raw numerators and denominators.

  • * Denominator is those without hayfever.

  • † Denominator is those with hayfever.