Correlational finding on Happiness and subject: Chronic pain (z70-76)

StudyZautra et al. (2005): study US 1999
TitlePositive Affect as a Source of Resilience for Women in Chronic Pain.
SourceJournal of Consulting and Clinical Psychology, 2005, Vol. 73, 212 - 220
PublicFemale chronic pain patients, Arizona, USA, followed 10 weeks, 200?
SampleNon-probability purposive sample
Respondents N =124

Author's labeldisease
Page in Source 215
Our classificationChronic pain (z70-76)
a osteoarthritis
b fibromyalgia
Observed distributionN = a: 86, b: 36

Observed Relation with Happiness
osteoarthritis  M = 2,41 (PA = 3,16; NA = 1,66)
fibromyalgia    M = 2,31 (PA = 2,78; NA = 1,83)
- difference        0,10

Appendix 1: Happiness measures used
CodeFull Text
A-BW-cw-mq-v-5-dSelfreport on 20 questions.

This scale consists of a number of words that describe different feelings and emotions. Read each item and mark the appropriate answer in the space next to that word. Indicate to what extend you felt this way during the past week?:
A nervous
B distressed
C afraid
D jittery
E irritable
F upset
G scared
H exiled
I ashamed
J guilty
K hostile
L active
M determined
N inspired
O enthusiastic
P alert
Q attentive
R proud
S strong
T interested

Answer options:
1 very slightly or not at all
2 a little
3 moderately
4 quite a bit
5 extremely

Negative affect score (NAS): (A to K)/10
Positive affect score (PAS): (L to T)/10
Affect Balance Score (ABS): PAS - NAS

Name: Watson et al's PANAS ('past week' version)

Appendix 2: Statistics used
Type: descriptive statistic only.
Measurement level: Correlate: dichotomous, Happiness: metric
Range: depending on the happiness rating scale of the author; range symmetric about zero.

Meaning: the difference of the mean happiness, as measured on the author's rating scale, between the two correlate levels.
Ruut Veenhoven, World Database of Happiness, Collection of Correlational Findings, Erasmus University Rotterdam.