Table 3

Self-report data outcomes

Outcome domainOutcomeGroup mean (SD)Group comparison
(S: secondary;
E: explorative)
SAU–MHCSAU–INTMHC–INT
INTMHCSAUDiffP value98.3% CIDiffP value98.3% CIDiffP value98.3% CI
6-month follow-upSymptomsBAIS12.57 (8.56)12.89 (9.06)14.17 (9.41)0.160.866−2.06 to 2.371.280.179−1 to 3.560.160.866−2.06 to 2.37
BDIS12.5 (9.03)12.83 (9.8)14.39 (11.09)1.300.201−1.14 to 3.741.370.167−1 to 3.730.060.949−2.23 to 2.35
PSSS16.51 (7.38)16.33 (7.03)18.33 (7.33)1.660.0147**0.03 to 3.31.460.0339*−0.19 to 3.12−0.220.743−1.82 to 1.38
KEDSE65.82 (17.82)67.4 (17.87)69.92 (18.81)2.030.196−1.73 to 5.793.540.0268*−0.29 to 7.371.500.335−2.24 to 5.25
4DSQ-somaE9.22 (6.25)9.4 (6.5)10.12 (6.72)0.710.313−0.97 to 2.380.670.316−0.94 to 2.29−0.020.979−1.66 to 1.63
4DSQ-distrE13.04 (7.87)13.75 (7.74)14.18 (8.59)0.310.668−1.45 to 2.070.900.229−0.9 to 2.70.570.423−1.14 to 2.29
4DSQ-anxE3.9 (4.62)4.3 (4.99)4.49 (5.29)0.320.566−1.03 to 1.670.580.298−0.75 to 1.90.260.631−1.04 to 1.55
4DSQ-deprE1.72 (2.62)1.83 (2.63)2.64 (3.37)0.570.074−0.19 to 1.330.660.0382*−0.1 to 1.420.090.781−0.65 to 0.82
FunctioningWSASS13.44 (9.96)14.96 (10.61)15.05 (10.71)−0.050.956−2.38 to 2.271.230.197−1.06 to 3.521.260.172−0.95 to 3.46
PresenteeismSPSE19.58 (2.93)19.82 (2.68)19.58 (3.77)0.130.675−0.62 to 0.890.120.682−0.6 to 0.850.000.99−0.67 to 0.66
Self-efficacyIPQE17.34 (3.29)16.88 (3.7)15.85 (4.08)−0.780.0466*−1.72 to 0.16−1.270.0008**−2.17 to −0.36−0.470.202−1.35 to 0.41
GSEE26.74 (6.72)26.29 (6.74)25.6 (7.12)−0.560.421−2.22 to 1.1−1.110.112−2.77 to 0.56−0.540.425−2.17 to 1.09
RTW-SEE25.7 (9.06)23.97 (9.14)24.04 (9.79)0.250.766−1.77 to 2.28−1.390.103−3.43 to 0.65−1.640.0445*−3.59 to 0.31
Life qualityQOLSE69.89 (14.75)69.6 (15.03)68.14 (16.02)−0.940.515−4.38 to 2.51−1.050.459−4.44 to 2.35−0.120.93−3.5 to 3.26
EQ5DLE0.79 (0.15)0.78 (0.16)0.77 (0.16)−0.010.505−0.05 to 0.03−0.020.293−0.05 to 0.02−0.010.71−0.04 to 0.03
SatisfactionCSQE26.83 (4.48)25.36 (5.09)20.03 (6.1)−4.01<0.0005**−5.53 to −2.48−5.28<0.0005**−6.74 to −3.81−1.280.0178*−2.57 to 0.01
12-month follow-upSymptomsBAIE12.05 (9.03)11.96 (8.92)12.34 (9.22)1.040.096−0.46 to 2.540.870.154−0.59 to 2.34−0.160.793−1.59 to 1.27
BDIE11.14 (10.58)12.05 (9.92)12.54 (11.56)0.090.893−1.55 to 1.740.410.536−1.18 to 2.010.340.61−1.24 to 1.91
PSSE15.52 (7.82)16.01 (7.22)15.93 (7.64)0.300.549−0.91 to 1.520.580.25−0.62 to 1.770.270.589−0.93 to 1.48
KEDSE57.73 (19.05)59.64 (18.98)60.62 (19.97)0.910.605−3.31 to 5.132.070.233−2.09 to 6.241.160.494−2.92 to 5.24
4DSQ-somatisationE9.85 (6.99)9.41 (6.38)9.6 (6.61)0.410.559−1.27 to 2.10.110.87−1.53 to 1.76−0.280.675−1.91 to 1.34
4DSQ-distressE12.35 (8.1)13.07 (7.62)12.93 (8.69)−0.210.793−2.09 to 1.680.420.598−1.48 to 2.310.610.417−1.19 to 2.41
4DSQ-anxietyE3.39 (4.15)3.98 (4.97)3.58 (4.72)−0.090.869−1.4 to 1.220.280.6−0.99 to 1.550.370.476−0.88 to 1.63
4DSQ-depressionE1.59 (2.64)1.78 (2.4)2.12 (3.25)0.240.449−0.52 to 10.330.3−0.43 to 1.080.090.773−0.62 to 0.79
FunctioningWSASE11.85 (9.81)12.8 (10.61)12.22 (10.55)−0.170.803−1.85 to 1.50.180.796−1.46 to 1.820.360.594−1.26 to 1.97
PresenteeismSPSE19.53 (3.35)19.88 (3.25)19.35 (3.7)0.030.932−0.9 to 0.97−0.320.397−1.21 to 0.58−0.310.375−1.15 to 0.53
Self-efficacyIPQE17.21 (4.19)17.04 (4.09)16.38 (4.02)−0.510.223−1.51 to 0.49−0.730.068−1.69 to 0.23−0.210.601−1.17 to 0.75
GSEE28.22 (6.93)27.46 (7.19)27.21 (7.86)−0.290.703−2.09 to 1.52−1.070.149−2.84 to 0.7−0.780.272−2.48 to 0.92
RTW-SEE28.1 (9.24)26.26 (9.7)27.43 (9.25)0.870.346−1.34 to 3.08−0.720.428−2.91 to 1.46−1.600.066−3.7 to 0.49
Life qualityQOLSE73.19 (15.68)71.84 (15.98)71.21 (16.67)−0.450.77−4.15 to 3.25−1.230.427−4.94 to 2.48−0.770.612−4.42 to 2.88
EQ5DLE0.8 (0.16)0.78 (0.16)0.79 (0.16)0.000.828−0.04 to 0.04−0.010.687−0.05 to 0.03−0.010.528−0.05 to0.03
  • *0.05≤p<0.0167, **p≤0.0167.

  • BAI, Beck Anxiety Inventory; BDI, Beck Depression Inventory; CSQ, Client Satisfaction Questionnaire; Diff, difference (estimated marginal mean); 4DSQ, Four-Dimensional Symptom Questionnaire; EQ5DL, Health-Related Quality of Life; GSE, Generalized Self-Efficacy Scale; INT, integrated intervention; IPQ, Illness Perception Questionnaire; KEDS, Karolinska Exhaustion Disorder Scale; MHC, mental healthcare; PSS, Perceived Stress Scale; QOLS, Quality of Life Scale; RTW-SE, Return to Work Self-Efficacy; SAU, service as usual; SPS, Stepford Presenteeism Scale; WSAS, Work and Social Adjustment Scale.