Table 1.

Baseline characteristics of participants by intervention and control groups, San Francisco, 2011 to 2012 (N = 1,235)

Control group, n = 655Intervention group, n = 580
n (%)n (%)P valuea
Demographic characteristics
 Age at diagnosis (categories)
  <50 y163 (24.9)170 (29.3)0.331
  50–65 y379 (57.9)313 (54.0)
  >65 y113 (17.3)97 (16.7)
 Race/ethnicity
  Asian or Pacific Islander123 (18.8)105 (18.1)0.877
  Black or African American150 (22.9)125 (21.6)
  Latina144 (22.0)141 (24.3)
  Non-Latina White229 (35.0)202 (34.8)
  Native American or other9 (1.4)7 (1.2)
 Marital status
  Married/living with a partner288 (44.3)261 (45.2)0.802
  Separated/divorced/widowed/never married362 (55.7)316 (54.8)
 Education
  High school diploma or less216 (33.3)175 (30.4)0.200
  Some college155 (23.9)167 (29.1)
  College degree or higher278 (42.8)233 (40.5)
 Language of interview
  English572 (87.3)507 (87.4)0.944
  Spanish or Chinese83 (12.7)73 (12.6)
Health characteristics
 Clinic site
  Mount Zion Cancer Center435 (66.4)411 (70.9)0.135
  SF General Hospital220 (33.6)169 (29.1)
 Health insurance
  Any private insurance291 (44.4)297 (51.2)0.022
  Only public insurance350 (53.4)265 (45.7)
  No insurance14 (2.1)18 (3.1)
 Primary care visits during last year
  0 to 1176 (27.2)164 (28.6)0.097
  2 to 3211 (32.5)214 (37.4)
  4+261 (40.3)195 (34.0)
 Comorbid conditions
  045 (6.9)39 (6.7)0.979
  1 to 2256 (39.1)226 (39.0)
  3+354 (54.1)315 (54.3)
 Perception of health status
  Excellent/very good211 (32.4)203 (35.2)0.399
  Less than excellent/very good441 (67.6)373 (64.8)
Assessment of risk for breast cancer
 Risk category for breast cancer
  Average risk509 (77.7)419 (72.3)0.097
  High-risk, Gail/BCSC97 (14.8)101 (17.4)
  High-risk, RST ≥249 (7.5)60 (10.3)
  • aP values from GEE analyses accounting for clustering of observations by physician.