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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: Qual Life Res. 2017 Jul 5;26(11):2973–2985. doi: 10.1007/s11136-017-1640-3

Table 1.

Sample Characteristics.

Sample Characteristics at Baseline
(unless noted otherwise)
All 24-month
participants
N (%)
Within the phone &
PC subset
N (%)
Total 952 (100%) 401 (100%)
Seniority (at 24-month)
  < Age 65 351 (36.87%) 148 (36.91%)
  ≥ Age 65 601 (63.13%) 253 (63.09%)
Race
  White 687 (72.16%) 341 (85.04%)
  Black 232 (24.37%) 51 (12.72%)
  Asian or Pacific Islander 2 (0.21%) 1 (0.25%)
  American Indian or Alaskan Native 14 (1.47%) 2 (0.50%)
  Other & Unknown 17 (1.79%) 6 (1.50%)
Highest level of education
  Eighth grade or less 22 (2.31%) 1 (0.25%)
  Some high school 65 (6.83%) 8 (2%)
  High school graduate 201 (21.11%) 58 (14.46%)
  Some college 266 (27.94%) 114 (28.43%)
  College graduate 386 (40.55%) 216 (53.87%)
  Unknown 12 (1.26%) 4 (1%)
Income
  Less than $10,000 41 (4.31%) 3 (0.75%)
  $10,000 to $20,000 81 (8.51%) 11 (2.74%)
  $20,001 to $40,000 200 (21.01%) 67 (16.71%)
  $40,001 to $70,000 265 (27.84%) 135 (33.67%)
  $70,001 to $90,000 119 (12.50%) 67 (16.71%)
  More than $90,000 199 (20.90%) 107 (26.68%)
  Unknown 47 (4.94%) 11 (2.74%)
Marital status
  Married 764 (80.25%) 340 (84.79%)
  Divorced 74 (7.77%) 29 (7.23%)
  Widowed 47 (4.94%) 12 (2.99%)
  Never married 36 (3.78%) 9 (2.24%)
  Separated 18 (1.89%) 6 (1.5%)
  Other & Unknown 13 (1.37%) 5 (1.25%)
Employment status
  Employed full time 322 (33.82%) 152 (37.91%)
  Employed part time 77 (8.09%) 37 (9.23%)
  Unemployed 32 (3.36%) 13 (3.24%)
  Retired 447 (46.95%) 180 (44.89%)
  Disabled and not working 62 (6.51%) 15 (3.74%)
  Unknown 12 (1.26%) 4 (1%)
Gleason grade 1 score
  < 7 542 (56.93%) 236 (58.85%)
  = 7 326 (34.24%) 125 (31.17%)
  > 7 84 (8.82%) 40 (9.98%)
Treatments (post baseline)
  Radiation 292 (30.67%) 104 (25.94%)
  Hormone with radiation 79 (8.30%) 24 (5.99%)
  Prostatectomy 384 (40.34%) 191 (47.63%)
  Other treatments 30 (3.15%) 13 (3.24%)
  No treatment (e.g., active surveillance, watchful waiting, and/or supplements) 254 (26.68%) 103 (25.69%)
  Unknown 7 (0.74%) 0 (0%)
How often do you use a computer to check email or browse the internet? (24-month PC survey only)
  Never --- 6 (1.50%)
  Less than once a week --- 7 (1.75%)
  Once a week --- 8 (2%)
  Several times a week --- 72 (17.96%)
  At least once a day --- 304 (75.81%)
  Unknown --- 4 (1%)
Did you prefer answering the health questions on the phone or the computer? (24-month PC survey only)
  Prefer phone --- 43 (10.72%)
  Prefer computer --- 233 (58.10%)
  No preference --- 119 (29.68%)
  Unknown --- 6 (1.50%)
If you were to participate in another study in the future, would you prefer answering questions on your health on the phone or the computer? (24-month PC survey only)
  Prefer phone --- 50 (12.47%)
  Prefer computer --- 241 (60.10%)
  No preference --- 104 (25.94%)
  Unknown --- 6 (1.50%)
Which survey took longer to complete? (24-month PC survey only)
  Phone --- 343 (85.54%)
  Computer --- 7 (1.75%)
  No difference --- 42 (10.47%)
  Unknown --- 9 (2.25%)
For the questions on sexual activities and function, did you prefer answering the questions on phone or computer? (24-month PC survey only)
  Prefer phone --- 29 (7.23%)
  Prefer computer --- 181 (45.14%)
  No preference --- 186 (46.38%)
  Unknown --- 5 (1.25%)

Note: A small proportion of patients received multiple treatments.