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Table 1 Continuous and rank-ordered independent variables

From: Predictors of outcome after 6 and 12 months following anthroposophic therapy for adult outpatients with chronic disease: a secondary analysis from a prospective observational study

Variable N evaluable Mean Standard deviation Correlation
     R P-value
Age (years) 913 44.38 12.07 -0.08 0.020
Education level (1 = low, 2 = intermediate, 3 = high) 913 2.17 0.69 0.10 0.004
Net income per month (1-5a) 733 3.86 1.10 0.05 0.151
Date of enrolment (0 = 1 Jan 1999, 7 = 1 Jan 2006) 913 2.35 1.82 0.03 0.341
AM medications in pre-study year (patient-months) 913 7.00 11.56 -0.03 0.335
Non-AM medications in pre-study year (patient-months) 913 10.91 14.89 -0.08 0.011
Psychotherapy in the pre-study year (sessions) 906 4.18 13.18 -0.01 0.809
Physiotherapy in the pre-study year (sessions) 913 8.73 17.96 -0.09 0.008
Disease duration (years) 913 7.84 9.23 -0.11 0.001
Disease severity at baseline (0-10) 902 6.68 1.74 0.10 0.004
Symptom Score at baseline (0-10) 913 6.01 1.77 0.47 < 0.001
Comorbid disorders (number) 913 1.76 1.34 -0.08 0.018
Chronic Disease Score (0-17 in this study) [65] 913 0.75 1.52 -0.08 0.014
SF-36 Physical Function Scale at baseline (0-100) [66] 909 75.46 23.35 0.04 0.240
SF-36 Role Physical Scale at baseline (0-100) 905 46.14 39.42 -0.06 0.071
SF-36 Role Emotional Scale at baseline (0-100) 900 50.19 41.64 -0.05 0.109
SF-36 Social Functioning Scale at baseline (0-100) 912 60.09 26.59 -0.09 0.008
SF-36 Bodily Pain Scale at baseline (0-100) 911 54.22 28.56 -0.05 0.129
SF-36 Vitality Scale at baseline (0-100) 910 38.55 18.81 -0.06 0.052
SF-36 Mental Health Scale at baseline (0-100) 910 54.21 19.37 -0.09 0.009
SF-36 General Health Scale at baseline (0-100) 902 50.65 19.34 0.00 0.917
SF-36 General Health Item at baseline (1 = excellent, 5 = poor) 908 3.58 0.77 -0.05 0.155
SF-36 Health Change Item at baselineb 910 3.25 1.07 0.12 < 0.001
SF-36 Physical Component Summary at baseline 887 43.22 10.52 0.01 0.876
SF-36 Mental Component Summary at baseline 887 38.20 12.28 -0.07 0.029
Center for Epidemiological Studies Depression Scale, German version at baseline (0-60) [67] 860 21.31 11.50 0.08 0.016
Physicians' clinical experience (years since qualification) 124c 18.20c 7.44c -0.01 0.748
Number of patients enrolled by the physician 124c 7.36c 10.69c 0.06 0.073
Duration of consultation with physician at study enrolment (1-5d) 913 1.87 1.06 -0.01 0.826
Physician's therapy goal for the patient at study enrolment (1-6e) 911 2.78 1.23 0.07 0.042
Therapists' clinical experience (years since qualification) 123e 12.04e 7.23e 0.06 0.077
AM therapy in months 0-6 (therapy sessions) 905 8.79 8.71 0.06 0.062
AM medications in months 0-6 (patient-months) 911 6.57 7.83 -0.08 0.022
Non-AM medications in months 0-6 (patient-months) 911 6.33 8.22 -0.11 0.002
Psychotherapy in months 0-6 (therapy sessions) 906 2.51 7.67 -0.01 0.752
Physiotherapy in months 0-6 (therapy sessions) 909 3.91 9.74 -0.07 0.036
  1. Correlation: Spearman-Rho correlation with dependent variable (Symptom Score difference 0-6 months).
  2. aIncome: documented as 1 = < 500€, 2 = 500€-900€, 3 = 900€-1250€, 4 = 1250€-1750€, 5 = > 1750€.
  3. bSF-36 Health Change Item: 1 = much better now than one year ago, 5 = much worse now than one year ago.
  4. cNumbers refer to physicians not patients.
  5. dDuration of consultation: documented as 1 = 0-29 min, 2 = 30-44 min, 3 = 45-59 min, 4 = ≥60 min.
  6. d6 = cured, 5 = symptom free without ongoing therapy, 4 = symptom free with ongoing therapy, 3 = symptom improvement, 2 = avoidance of progression, 1 = retardation of progression.