Table 2

 National Health Service resource use

OutcomenBaseline1 year
Values are mean (SD).
*Statistically significant result.
Cost of GP visits
    Control group136£55.15 (27.27)£45.15 (40.81)Guidebook effect: −£31.30 (−39.60, −22.99); p<0.001* Self-help group effect: −£0.04(−5.70, 5.62); p = 0.990
    Guidebook group141£73.76 (48.29)£20.58 (32.0)
    Guidebook and self-help group138£70.29 (45.35)£19.28 (28.43)
Cost of hospital visits
    Control group136£37.57 (76.94)£41.87 (78.29)Guidebook effect: −£15.85 (−£30.82, −£0.88); p = 0.038* Self-help group effect: −£6.03 (−£21.14, £9.08); p = 0.427
    Guidebook group141£42.97 (94.81)£27.44 (71.17)
    Guidebook and self-help group138£46.02 (85.09)£22.22 (54.80)
Cost of prescribed drugs
    Control group133£86.77 (84.65)£74.41 (95.35)Guidebook effect: −£24.23 (−46.12, −2.33); p = 0.031* Self-help group effect: 12.21 (−6.29, 30.71); p = 0.191
    Guidebook group139£118.27 (103.62)£65.55 (87.61)
    Guidebook and self-help group131£102.51 (84.41)£70.08 (88.73)
Total resource costs
    Control group133£177.02 (128.64)£159.14 (145.39)Guidebook effect: −£72.74 (−102.63, −42.84); p = 0.000* Self-help group effect: 7.53 (−20.41, 35.48); p = 0.591
    Guidebook group139£235.24 (186.46)£111.67 (138.42)
    Guidebook and self-help group131£216.11 (138.29)£110.89 (132.99)