Table 4

 Generalised linear model of total health care costs in 2000, per person with non-zero costs* (part 2 of two part model)

Number = 347Log-likelihood −2988.97Deviance 249.15
Independent variableCoeff (95% CI)p Value
*Three gatekeeping observations and four fee for service observations with health care costs over Sw fr20000 in 2000 not used. †Term representing effect modification. ‡Per increase by 1 on a 5 point Likert scale. §Compared with unmarried. Combined likelihood ratio test, p = 0.054. ¶Compared with one adult. **Compared with neither Swiss born nor Swiss citizen. Combined likelihood ratio test, p = 0.034.
Fee for service plan membership0.24 (0.04 to 0.44)0.021
Age (women)−0.03 (−0.09 to 0.02)0.246
Age2 (women)0.001 (0.000 to 0.001)0.007
Age (men)−0.13 (−0.21 to −0.04)0.003
Age2 (men)0.003 (0.001 to 0.005)0.002
Age3 (women)−0.000 (−0.000 to −0.000)0.007
1996 outpatient costs (log scale)0.06 (0.01 to 0.10)0.010
ICED score in 19960.61 (0.28 to 0.94)<0.001
ICED score in 1996 * age (female)†−0.01 (−0.01 to −0.00)<0.001
ICED score in 1996 * age (male)†−0.01 (−0.01 to −0.00)<0.001
ICED score in 1996 * SF-36 Item 2†−0.07 (−0.12 to −0.01)0.025
ICED score in 1996 * 1996 outpatient costs (log scale)†0.02 (0.00 to 0.05)0.040
ICED score increase between 1996 and 20000.13 (0.06 to 0.20)0.001
SF-36 Item 2−0.13 (−0.29 to 0.03)0.121
SF-36 General Health Scale score−0.01 (−0.02 to −0.01)<0.001
Complementary semi-private insurance−0.29 (−0.50 to −0.09)0.005
Importance assigned to low insurance premiums‡0.10 (0.02 to 0.19)0.017
Living in a partnership0.60 (0.19 to 1.01)0.004
Marital status
    married§0.27 (−0.15 to 0.68)0.208
    widowed§0.00 (−0.48 to 0.49)0.989
    divorced§−0.63 (−1.16 to −0.10)0.19
Household size
    2 adults¶−1.25 (−1.67 to −0.82)<0.001
    ⩾2 adults¶−1.39 (−1.88 to −0.90)<0.001
Integration
    Swiss born or Swiss citizen**−0.39 (−0.88 to 0.11)0.127
     Swiss born and Swiss citizen**0.11 (−0.33 to 0.54)0.624
Aarau area residency in 19962.04 (1.14 to 2.95)<0.001
Aarau area residency in 1996 * age (female) †−0.02 (−0.05 to 0.00)0.069
Constant7.36 (5.69 to 9.03)<0.001