Table 4

 Regression models for first-time claim rates with adjusted* rate ratios, 95% CIs, and tests for differences in effect of job tenure between subgroups

VariableEstimate for tenure = 1 monthχ2 for diffp Value
RR95% CIβSE
*Adjusted for all other covariates.
Sex
    Male4.95(4.21–5.82)1.6000.08210.590.001
    Female*3.30(2.73–3.98)1.1930.096
Age group (years)
    15–193.00(2.52–3.57)1.1000.0898.500.004
    20–242.84(2.14–3.77)1.0430.1457.230.007
    25–345.06(3.95–6.49)1.6220.1260.030.857
    35–445.46(4.13–7.20)1.6970.1420.290.588
    45+*4.89(3.70–6.47)1.5880.142
Occupation
    Manual4.92(4.33–5.58)1.5930.06511.360.001
    Mixed3.68(2.98–4.54)1.3020.1081.910.167
    Non-manual*2.85(2.14–3.81)1.0490.148
Industry
    Goods5.59(4.71–6.64)1.7210.08815.26<0.001
    Services*3.24(2.79–3.76)1.1750.076