Table 1

 Description of data on outcome, explanatory variables and covariates

Overall distribution percentages (95% CI)DisabilityNo disabilityDifference in percentages
N1 (%)N2 (%)(N1%−N2%)
Periods of perceived financial hardship in adult life
    070.4 (66.9 to 73.7)149 (61.8)360 (74.7)−12.9
    114.5 (12.0 to 17.3)44 (18.3)61 (12.7)5.6
    29.4 (7.4 to 11.8)28 (11.6)40 (8.3)3.3
    32.1 (1.2 to 3.4)8 (3.3)7 (1.5)1.8
    43.6 (2.4 to 5.2)12 (5.0)14 (2.9)2.1
Periods of material disadvantage in adult life
    013.0 (10.6 to 15.7)22 (9.7)72 (14.9)−5.2
    143.6 (39.9 to 47.3)86 (35.7)229 (47.5)−11.8
    220.3 (17.5 to 23.5)55 (22.8)92 (19.1)3.7
    310.9 (8.7 to 13.4)32 (13.3)47 (9.8)3.5
    412.2 (9.9 to 14.8)46 (19.1)42 (8.7)10.4
Occupational social class
    I and II28.5 (25.2 to 31.9)12 (5.6)34 (7.3)−1.7
    IIINM16.3 (13.7 to 19.2)39 (18.1)121 (26.1)−8.0
    IIIM34.2 (30.7 to 37.7)31 (14.4)87 (18.8)−4.4
    IV14.9 (12.4 to 17.7)86 (39.8)161 (34.8)5.0
    V6.1 (4.5 to 8.1)48 (22.2)60 (13.0)9.2
Longstanding conditions
    Musculoskeletal33.9 (30.4 to 37.5)121 (50.2)124 (25.7)24.5
    Respiratory9.8 (7.7 to 12.2)35 (14.5)36 (7.5)7.0
    Digestive8.8 (6.9 to 11.2)39 (16.2)25 (5.2)11.0
    Cardiovascular6.1 (4.5 to 8.1)27 (11.2)17 (3.5)7.7
    Other20.2 (17.3 to 23.3)74 (30.7)72 (14.9)15.8
Drinking
    Never12.8 (10.4 to 15.4)40 (16.7)52 (10.8)5.9
    Ex drinker4.6 (3.2 to 6.4)15 (6.3)18 (3.7)2.6
    Current82.7 (79.7 to 85.4)184 (77.0)412 (85.5)−8.5
Smoking
    Never34.5 (31.1 to 38.1)63 (26.4)186 (38.6)−12.2
    Ex smoker33.0 (29.6 to 36.6)83 (34.7)155 (32.2)2.5
    Current32.5 (29.0 to 36.0)93 (38.9)141 (29.3)9.6