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Correlational findings

Study Peters et al. (2017): study ZZ 2012

Public:
Patients with chronic pain, Netherlands and Belgium, 2012-2013
Survey name:
Unnamed study
Sample:
Respondents:
N = 206
Non Response:
Assessment:
Questionnaire: web

Correlate

Authors's Label
Internet based Positive Psychology Intervention
Our Classification
Remarks
Randomization was performed with a 2:2:1 ratio with an overrepresentation of participants in the 2 treatment conditions, and a set upper limit of 50 participants in the control condition
Distribution
1: baseline N = 114, post treatment N = 85, follow-up n = 43
0A: baseline N = 112, post-treatment n = 80, follow-up N = 55
0B: baseline N = 50, post-treatment N = 41
Operationalization
Participants were randomly assigned to:
1. PPI: INTERNET BASED POSITIVE PSYCHOLOGY INTERVENTION. 8 weekly modules aimed at self-compassion, awareness of suffering, three good things, planning and recall pleasant memories, savoring, optimism and best-possible self.
0A: iCBT: INTERNET COGNITIVE BEHAVORIAL THERAPY. 8 weekly modules aimed at pain education, relaxation, cognitive restructuring, activity planning, stress management, asssertivenss training, problem=solving techniques and coping.
0B: WAITLIST CONTROL. No program.

Observed Relation with Happiness

Happiness Measure Statistics Elaboration / Remarks M-FH-c-sq-v-6-a DM = + p < .001            T0     T1     T2     T1-T0    T2-T0
PPI        3,63   4.47   4.25   +0.84    +0,62
iCBT       3,80   4,35   4,23   +0,55    +0,43
Control    4,00   3,85          -0,15
- PPI VS CONTROL                +0,99
M-FH-c-sq-v-6-a D%sr = + p < .001            T0     T1     T2     T1-T0    T2-T0
PPI                             +16,8%   +12,4%
iCBT                            +11,0%   + 8,6%
Control                         - 3,0%
- PPI VS CONTROL                +19,8%


Happiness measured at:
T0 = baseline
T1 = post-treatment
T2 = 6 months follow-up (only PPI and iCBT)
M-FH-c-sq-v-6-a ES = .983 p < .001 - PPI vs Control, post-treatment M-FH-c-sq-v-6-a ES = .309 p < .05 - PPI vs iCBT, post-treatment M-FH-c-sq-v-6-a ES = .164 ns - PPI vs iCBT, follow-up