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Table 3 Costs at baseline, 12 and 15 months (2011/12 prices, all 15 month costs, except the intervention costs, are discounted)

From: Randomised controlled trial to improve health and reduce substance use in established psychosis (IMPaCT): cost-effectiveness of integrated psychosocial health promotion

   Intervention
n = 213
  Control
n = 193
Unadjusted mean differenced 95% CId Adjusted mean differencee 95% CIe
  valid n Mean £ SD valid n Mean £ SD     
Component Costs at Baseline
 Health & social care excluding interventionb 212 10,242 13,374 193 9714 13,767 528 −2953 to 4010 967 −2442 to 4435
 Charityb 212 83 611 193 80 435 3 −109 to 115 −22 −137 to 94
 Lost productivityb 212 8755 5964 193 7472 6311 1283 −354 to 2920 456 −894 to 1806
 Patientb 212 72 433 193 188 188 35 −31 to 102 33 −37 to 104
 Benefitsb 212 2211 1006 193 2009 940 202a 13 to 391a 127 −70 to 324
Component Costs at 12 month
 Health & social care excluding interventionb 160 10,220 12,341 159 10,196 16,987 24 −4219 to 4267 −1596 −5145 to 1954
 Charityb 160 120 369 159 61 256 60 −6 to 125 80a 9 to 151a
 Lost productivityb 160 8882 5998 159 7707 6333 1174 −317 to 2665 1038 −367 to 2443
 Patientb 160 84 369 159 53 300 31 −38 to 100 25 −46 to 96
 Benefitb 160 2328 931 159 2129 957 200 −14 to 413 87 −105 to 279
Component Costs at 15 month
 Health & social care excluding interventionc 152 4874 6317 149 4708 6383 166 −1577 to 1910 −231 −1734 to 1272
 Charityc 152 63 215 149 49 230 14 −39 to 67 24 −37 to 84
 Lost productivityc 152 4731 2674 149 3880 3027 850a 127 to 1573a 608 −25 to 1240
 Patientc 152 24 141 149 30 162 −6 −38 to 27 −6 −37 to 25
 Benefitsc 152 1089 439 149 1049 441 40 −70 to 150 −24 −125 to 76
 Intervention 213 316 173 193 4 0 312a 267 to 357a 3142a 268 to 359a
Total Costs at 15 months
 Health & social care including interventionf 152 5209 6326 149 4711 6383 498 −1248 to 2244 95 −1410 to 1599
 Societal perspective including interventionf 152 11,116 7271 149 9720 7707 1396 −684 to 3476 675 −1039 to 2388
  1. All figures are rounded to nearest whole number
  2. aConfidence interval excludes zero
  3. bCosts for a 6 month retrospective period
  4. cCosts for a 3 month retrospective period
  5. dAdjusting for clustering of care coordinator only
  6. eIncludes covariates for baseline: equivalent cost, SF-36 mental component score, SF-36 physical component score, EQ-5D-3 L utility, SF-36 utility, gender, ethnicity and borough, plus clustering for care coordinator
  7. fFifteen month costs discounted