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. Author manuscript; available in PMC: 2017 Nov 8.
Published in final edited form as: Psychooncology. 2004 Sep;13(9):595–604. doi: 10.1002/pon.768

Table 2.

Pearson’s correlations: patient characteristics vs. RAND-36 QOL summary scales (n=2582).

Quality of Life Summary Scales
Physical Health Mental Health
Demographics:
 Age −0.063  0.150
 Education  0.107  0.033
 Ethnicity/race  0.023  0.041
 Marital status  0.074  0.094
Anthropometrics: body mass index −0.277* −0.135
Health behaviors:
 Alcohol intake  0.137  0.062
 Current smoking −0.012 −0.049
 Diet compositiona  0.107  0.091
 Physical activityb  0.225*  0.202
Breast cancer variables:
 Cancer stage at diagnosis −0.039 −0.032
 Current tamoxifen use—no/yes  0.054  0.109
 Years since diagnosis  0.108  0.096
 Treatment: radiation only  0.024  0.048
  Chemotherapy only  0.027 −0.010
  Both radiation & chemotherapy −0.034 −0.051
Psychosocial variables:
 Ambivalence over negative emotional expressivenessc −0.172 −0.280*
 Center for epidemiologic studies—depressionc −0.267* −0.530*
 Hostilityc −0.173 −0.229*
 Life events −0.211 −0.307*
 Negative emotional expressivenessc −0.006 −0.040
 Optimismc  0.214  0.389*
 Poor sleep quality −0.293 −0.339*
 Sleep quantity (Hours) −0.058 −0.098
 Social strainc −0.230 −0.364*
 Social supportc  0.216  0.352*
Symptoms:
 Psychologicalc −0.415* −0.623*
 Paind −0.582* −0.351*
 Vasomotord −0.183 −0.169
 Genitourinaryd −0.169 −0.162
 Gastrointestinald −0.325* −0.293*
*

Meets MOS criterion for meaningfulness (Pearson’s r⩾0.23) (Stewart and Ware, 1992) and are significant at p ≤0.001.

a

Number of NCI daily recommendations met: ≤30% of energy from fat; ⩾20 g/d fiber; ⩾5 servings/d fruit/vegetables.

b

Metabolic equivalents/week, excluding sleep.

c

Excluded from multiple regression model with Mental Health as DV due to conceptual overlap.

d

Excluded from multiple regression model with Physical Health as DV due to conceptual overlap.