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Table 3 Estimates for fixed and random effects from multilevel linear regression analysis (random intercept model) for self-reported health as dependent variable and goodness-of-fit statistics

From: Self-reported health and life satisfaction in older emergency department patients: sociodemographic, disease-related and care-specific associated factors

Fixed effects Coefficient 95% CI SE p-value
 Intercept 38.81 27.78; 51.77 6.31 <.001
 Sex: Female 3.30 0.53; 5.76 1.35 .014
 Study (reference category: EMAAge):
  EMACROSS −5.72 −10.64; − 1.65 2.36 .015
  EMASPOT 4.35 0.32; 8.28 2.07 .036
 Education (reference category: Primary level)
  Secondary level 0.09 −2.93; 3.53 1.67 .958
  Tertiary level 0.67 −2.52; 4.57 1.85 .717
 Social contacts (reference category: None)
  1–2 persons 4.50 −2.33; 11.79 3.63 .215
  3 or more persons 3.87 −2.80; 11.08 3.57 .278
 Care dependency: Yes −7.52 −11.49; −3.70 2.00 <.001
 Migration background: Yes 2.06 −1.21; 5.43 1.71 .228
 Employment status (reference category: Employed):
  Retired −3.32 −7.59; 0.92 2.19 .130
  Not (regularly) employed −8.54 −14.05; −3.38 2.74 .002
  Other −3.99 −11.22; 3.63 3.82 .297
 ED visit: Yes −2.29 −5.48; 0.79 1.61 .156
 Hospital stay: Yes −4.67 −8.09; −1.35 1.73 .007
 GP visit: Yes 0.88 −2.40; 4.33 1.73 .610
 MTS level: Non-urgent 2.60 −1.01; 5.46 1.68 .121
 Transportation to ED (reference category: Walk-in):
  Non-urgent medically accompanied transport −0.54 −6.08; 4.18 2.65 .839
  Emergency medical services 1.35 −1.82; 4.63 1.66 .417
  EMS with emergency physician 2.90 −1.53; 7.37 2.29 .205
 Age (in years) −0.12 −0.27; 0.02 0.07 .093
 Life satisfaction 2.22 1.68; 2.75 0.28 <.001
Random effects Variance Component SD
Level-two variance: ED 6.74 2.60
Level-one variance: 457.24 21.38
Marginal R2 (fixed effects): 0.1769
Conditional R2 (fixed and random effects): 0.1888
ICC: 0.0286
  1. Note: N = 1096; Level 2: n = 8 emergency departments; CI Confidence interval, SE Standard error, SD Standard deviation, ED Emergency department, GP General practitioner, ICC Intraclass correlation coefficient, MTS Manchester Triage System, EMS Emergency medical services