Table 3 Relative risk (95% confidence intervals) of reporting disease by cohort and by socio-demographic factors, adjusted for all other variables in the model

Cohort

   1996/7 vs. 1991/2

1.35 (1.10 to 1.65)

1.42 (1.14 to 1.78)

1.35 (1.02 to 1.77)

Sociodemographics

Sex

   Females vs. Males

1.39 (1.12 to 1.72)

1.87 (1.47 to 2.37)

1.07 (0.80 to 1.43)

Age (1 year increase)

1.11 (1.04 to 1.20)

1.08 (1.00 to 1.17)

1.02 (0.93 to 1.12)

Living status

   Lives alone

1

1

1

   Lives with spouse

1.16 (0.90 to 1.49)

1.05 (0.79 to 1.39)

1.09 (0.77 to 1.54)

   Lives with others

0.91 (0.60 to 1.38)

1.05 (0.66 to 1.67)

0.91 (0.51 to 1.63)

Education

   12+ years

1

1

1

   10 – 11 years

0.68 (0.47 to 0.97)

0.77 (0.51 to 1.14)

0.77 (0.46 to 1.27)

   0 – 9 years

1.21 (0.88 to 1.67)

1.16 (0.82 to 1.66)

1.00 (0.64 to 1.54)

Social class*

   I & II

1

1

1

   III

1.13 (0.89 to 1.44)

1.05 (0.86 to 1.37)

1.20 (0.85 to 1.68)

   IV & V

1.30 (0.97 to 1.74)

1.03 (0.75 to 1.43)

1.53 (1.03 to 2.26)

   Armed forces/missing

1.23 (0.63 to 2.39)

1.14 (0.52 to 2.48)

1.58 (0.64 to 3.87)

Smoking status

   Never smoker

1

1

1

   Current smoker

1.39 (1.09 to 1.76)

1.16 (0.88 to 1.51)

1.51 (1.08 to 2.10)

   Ex-smoker

0.93 (0.70 to 1.24)

0.94 (0.68 to 1.30)

1.28 (0.85 to 1.92)