Table 4.

Multilevel Regression Parameters (Regression Weight and SE) for SF-12 Physical Component Summary Scores Among Single-Family Households

Family CompositionInterceptAge YearsIncome*Insurance StatusLevel-2 Variance, %2*logL
SF-12 = Short Form-12.
* Income quintile, 1 = lowest, 5 = highest.
† Insured.
‡ −2*LogL is a goodness-of-fit statistic. Smaller numbers indicate a better model fit.
§ Not significant.
Married, no kids
    Model 148.05 (0.23)22.389,725
    Model 258.11 (0.63)−0.18 (0.02)16.288,942
    Model 350.93 (1.10)−0.15 (0.02)1.65 (0.15)12.588,510
    Model 448.75 (1.30)−0.13 (0.02)1.47 (0.20)1.25 (0.42)12.688,452
Married with kids
    Model 151.82 (0.16)13.2105,957
    Model 254.62 (0.62)−0.08 (0.02)13.5105,851
    Model 351.06 (0.74)−0.10 (0.02)1.28 (0.16)10.1105,398
    Model 450.65 (0.80)−0.11 (0.02)1.19 (0.16)0.44 (0.14)9.9105,376
Single with kids
    Model 149.62 (0.54)23.3116,289
    Model 253.91 (1.72)−0.13 (0.0622.0516,257
    Model 350.80 (1.73)−0.17 (0.06)2.14 (0.42)8.8§16,141
    Model 450.51 (1.88)−0.017 (0.06)2.03 (0.46)0.39 (1.62)§8.6§16,137