Table 2

Results for primary and secondary outcomes

MeasureGroupPremeasurement, mean (SD)Postmeasurement, mean (SD)TimeTreatment
tPvalueFPvalued
Depression (BDI-II)MBCT23.6 (7.7)17.1 (11.9)4.75<0.0019.710.0040.80 (0.27–1.31)
CBT25.6 (8.7)17.4 (11.9)5.58<0.00115.56<0.0011.00 (0.47–1.51)
WAIT24.3 (8.0)23.5 (10.3)0.650.52
Depression (HAM-D7)MBCT8.9 (3.5)4.7 (4.3)6.33<0.00117.52<0.0011.17 (0.61–1.69)
CBT9.4 (3.8)4.6 (3.4)5.55<0.00113.06<0.0011.09 (0.55–1.60)
WAIT7.5 (2.8)7.1 (3.7)0.710.49
Well-being (WHO-5)MBCT32.4 (18.4)49.5 (21.5)5.90<0.00117.35<0.0010.92 (0.39–1.43)
CBT26.8 (17.8)47.4 (20.2)6.07<0.00118.95<0.0011.02 (0.48–1.53)
WAIT27.7 (15.9)30.9 (15.4)1.090.28
Anxiety (GAD-7)MBCT12.6 (5.3)6.9 (4.8)7.00<0.0019.600.0040.98 (0.44–1.49)
CBT11.9 (4.9)6.8 (5.0)6.61<0.0017.420.010.82 (0.29–1.32)
WAIT9.8 (5.0)8.2 (4.6)2.370.02
Diabetes distress (PAID)MBCT38.3 (20.9)32.0 (21.8)3.080.0025.670.020.52 (0.01–1.02)
CBT42.0 (22.3)34.0 (23.4)2.870.0045.680.040.57 (0.06–1.07)
WAIT35.5 (21.5)36.0 (21.2)−0.260.79
HbA1c*
 mmol/molMBCT63.4 (9.6)63.1 (10.8)0.100.92
 %8.0 (0.9)7.9 (1.0)
 mmol/molCBT67.1 (15.2)65.9 (13.0)0.360.72
 %8.3 (1.4)8.2 (1.2)
  • WAIT, waiting list.

  • *Not measured in the waiting-list condition.

  • †Comparing both MBCT and CBT with the waiting-list condition.