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Table 1 Description of 53 studies reporting clinical, demographic or psychosocial factors related to risk perception in cancer in patients at high risk for cancer

From: Factors Influencing Cancer Risk Perception in High Risk Populations: A Systematic Review

Study Characteristics No. (%) of Studies
Study Design  
   Experimental (e.g. RCT) 4 (8)
   Observational 49 (92)
Cross-sectional 20 (38)
Cohort (retrospective or prospective) 15 (28)
Case-control 4 (8)
Other 10 (19)
Study Population Type a  
   Non-Genetic 36 (68)
   Genetic 17 (32)
Study Population Characteristics  
Gender Representation  
   Male only 2 (4)
   Female only 37 (70)
   Mixed 14 (26)
Hispanic ethnicity reported 6 (11)
Race reportedb 36 (67)
   White/Caucasian 29 (55)
   Black/African American 11 (21)
   Asian 6 (11)
   American Indian 4 (8)
   Hawaiian/ Pacific Islander 3 (6)
   Other 17 (31)
Type(s) of Cancer Studied  
   Breast 34 (64)
   Ovarian 16 (30)
   Colon 12 (23)
   Prostate 2 (4)
Utilized a Theoretical Model of Health Behavior 7 (13)
Methods of Measuring Risk Perceptions c  
   Single Item 37 (70)
   Multiple Item 15 (28)
   Categorical Measures 35 (66)
Absolute 18 (34)
Comparative 23 (43)
   Continuous 25 (47)
Absolute 24 (45)
Comparative 3 (6)
Factors  
   Clinical 39 (74)
   Demographic 16 (30)
   Psychosocial 32 (60)
  1. a Some studies included a mix of high risk and average risk/healthy individuals.
  2. b Some studies included multiple race categories, therefore percentages do not add to 100.
  3. c Some studies included multiple measures, therefore percentages do not add to 100.