Table 4

Comparison of health related characteristics of study respondents with the 1995 National Health Survey sample

VariableStudy Respondents (n=1784)1995 National Health Survey (n=31508)OR* (95% CI)p Value†
*Relative odds of exposure in study participants compared with the NHS (odds ratio). †From χ2 goodness of fit test. ‡Only a subsample of the NHS completed the SF-36 questionnaire (n=15938).
Smoking status (%)
    Never51.548.11.00
    Ex-smoker22.025.20.82 (0.72 to 0.92)
    Smoker26.526.70.93 (0.83 to 1.04)0.003
BMI (%) (kg/m2)
    <207.610.11.00
    20–2542.146.71.18 (0.98 to 1.42)
    25–3034.331.61.42 (1.17 to 1.72)
    ≥3015.711.61.81 (1.46 to 2.23)<0.001
Mean height in cm (SD)169.7 ( 10.5)170.2 ( 10.1)0.043
Mean weight in kg (SD)74.5 ( 16.3)72.3 ( 15.2)<0.001
Self assessed satisfaction with weight (%)
    Satisfied56.559.11.00
    Dissatisfied43.540.91.11 (1.01 to 1.22)0.028
Self rated health‡ (%) (item 1 from SF-36) (n=15926)
    Excellent19.618.91.00
    Very good42.140.01.00 (0.88 to 1.15)
    Good26.330.90.82 (0.71 to 0.95)
    Fair9.18.50.99 (0.82 to 1.21)
    Poor2.91.71.50 (1.09 to 2.06)0.004
Women only: (n=908) (n=7747)
Had a Pap smear (%)
    Yes91.091.20.98 (0.77 to 1.24)0.806
Had breasts examined (%)
    Yes78.571.81.44 (1.22 to 1.69)<0.001
Told had breast cancer (%)
    Yes1.71.31.30 (0.75 to 2.25)0.349
Had hysterectomy (%)
    Yes9.410.50.88 (0.69 to 1.11)0.263