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Table 3 Baseline characteristics of the intervention and control group given at patient level

From: Effectiveness of a tailored implementation programme to improve recognition, diagnosis and treatment of anxiety and depression in general practice: a cluster randomised controlled trial

Variables Intervention group Control group pvalue
Patients n= 198b n= 246c
Sociodemographic characteristics
 Mean (SD) age (years) 53.4 (15.6) 55.0 (16) 0.294
 Female 128 (64.7) 179 (72.8) 0.066
 Born in the Netherlands 185 (95.4), n = 194 233 (95.5), n = 244 0.948
 Married or living together 133 (68.6), n = 194 161 (65.7), n = 245 0.529
 In paid employment 77 (42.3), n = 182 83 (34.7), n = 239 0.112
 Level of education n = 196 n = 244 0.647
  Low 102 (52.0) 123 (50.4)  
  Medium 48 (24.5) 69 (28.3)  
  High 46 (23.5) 52 (21.3)  
Clinical characteristics
Number of chronic medical conditionsa (range: 0–28), mean (SD) 3.1 (2.1) 3.0 (2.2) 0.723
4DSQ distress score (range: 0–32), mean (SD) 12.4 (8.1), n = 193 11.9 (7.1), n = 240 0.431
4DSQ depression score (range: 0–12), mean (SD) 1.8 (2.8), n = 194 1.6 (2.7), n = 239 0.480
4DSQ anxiety score (range: 0–24), mean (SD) 3.2 (4.0), n = 194 2.8 (3.5), n = 238 0.273
4DSQ somatisation score (range: 0–32), mean (SD) 8.5 (5.9), n = 186 8.3 (5.9), n = 228 0.760
  1. Values are numbers (percentages) unless stated otherwise.
  2. 4DSQ Four-Dimensional Symptom Questionnaire.
  3. aChronic medical condition was measured with the Dutch Central Bureau of Statistics (CBS) list.
  4. bn = 198 unless stated otherwise.
  5. cn = 246 unless stated otherwise.