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Table 2 Predictive factors for favourable outcome (> 50% reduction of headache days/month) of the treatment programme

From: Evaluating integrated headache care: a one-year follow-up observational study in patients treated at the Essen headache centre

Risk Factors (groups, number of patients) Univariate Odds Ratio (95% CI) P-value Multivariate Odds Ratio (95% CI) P-value
Age (< 40 years, 367; > 40 years; 471) Referent 1.8 (1.35 - 2.39) < .001 Refererent 1.93 (1.33 - 2.79) < .001
Nicotin (yes, 118; no, 588) 0.71 (0.48 - 1.07) 0.10 0.75 (0.48 - 1.18) 0.21
BMI (> 25, 288; < 25, 543) 0.92 (0.69 - 1.24) 0.58 0.98 (0.67-1.43) 0.90
Education (low education, 510; high education, 246) 0.97 (0.71 - 1.33) 0.85 1.02 (0.70-1.50) 0.90
MTP (no, 557; yes, 273) 0.73 (0.54 - 0.97) 0.05 0.70 (0.47-1.02) 0.06
Headache frequency at baseline (number of patients) 0-5 days (251) 1.0 Referent 1.0 Referent
  6-10 days (255) 1.39 (0.94 - 2.04) < .001 1.56 (0.99-2.47) 0.05
  11-15 days (145) 1.89 (1.22 - 2.93) .004 2.08 (1.24-3.51) < .001
  16-20 days (49) 5.03 (2.64 - 9.61) < .001 7.42 (3.29-16.75) < .001
  21-25 days (30) 4.38 (2.00 -9.60) < .001 8.65 (3.14-23.84) < .001
  26-30 days (108) 2.92 (1.82 - 4.69) < .001 6.57 (3.20-13.49) < .001
Headache diagnosis (n) Migraine (635) 1.0 Referent 1.0 Referent
  Migraine + TTH (131) 1.14 (0.77 - 1.68) 0.51 0.69 (0.41-1.17) 0.17
  TTH (72) 1.07 (0.65 - 1.77) 0.79 0.34 (0.16-0.73) 0.005*
Family (single, 175; partnership, 540)   0.69 (0.49 - 0.98) 0.04 0.78 (0.52-1.17) 0.23
  1. Patients with migraine, TTH and migraine and TTH are included. * Only measurements which show significance in the univariate analysis and could be confirmed in the multivariate analysis were were accepted as outcome predictors