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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: Contemp Clin Trials. 2016 Jul 12;50:5–15. doi: 10.1016/j.cct.2016.07.009

Table 7.

Baseline Study Characteristics.

Overall
N = 385
TDM intervention
N = 192
Control
N = 193
Age, mean (SD) 63.5 (8.8) 64.2 (9.0) 62.9 (8.5)
Gender, observed
  Male 356 (92.5) 176 (91.7) 180 (93.3)
  Female 29 (7.5) 16 (8.3) 13 (6.7)
Marital statusd
  Married 219 (57.0) 115 (60.2) 104 (53.9)
  Living together, committed
relationship
6 (1.6) 2 (1.0) 4 (2.1)
  Divorced/separated 110 (28.6) 50 (26.2) 60 (31.1)
  Widowed 17 (4.4) 8 (4.2) 9 (4.7)
  Single, never married 32 (8.3) 16 (8.4) 16 (8.3)
Latino(a) or Hispanic
origin/descentd
  Yes 13 (3.4) 9 (4.8) 4 (2.1)
  No 366 (96.6) 179 (95.2) 187 (97.9)
Raced
  White 129 (33.8) 68 (35.6) 61 (31.9)
  Black 236 (61.8) 111 (58.1) 125 (65.4)
  Other 17 (4.5) 12 (6.3) 5 (2.6)
Highest level of education
  Less than high school graduate 27 (7.0) 14 (7.3) 13 (6.7)
  High school graduate or GED 108 (28.1) 60 (31.3) 48 (24.9)
  Some college or technical school 160 (41.6) 78 (40.6) 82 (42.5)
  College graduate 59 (15.3) 26 (13.5) 33 (17.1)
  Post college education 31 (8.1) 14 (7.3) 17 (8.8)
REALMd
  Less than 60 93 (24.5) 40 (21.3) 53 (27.7)
  60 or more 286 (75.5) 148 (78.7) 138 (72.3)
Household financial situationd
  After paying the bills, you still
have enough money for special
things that you want
142 (37.3) 74 (38.9) 68 (35.6)
  You have enough money to pay
the bills, but little spare money to
buy extra or special things
155 (40.7) 68 (35.8) 87 (45.5)
  You have money to pay the bills,
but only because you have to cut
back on things
47 (12.3) 27 (14.2) 20 (10.5)
  You are having difficulty paying
the bills, no matter what you do
37 (9.7) 21 (11.1) 16 (8.4)
Current living situation
  Own home/apartment 364 (94.5) 184 (95.8) 180 (93.3)
  No stable residence 21 (5.5) 8 (4.2) 13 (6.7)
Blood relative(s) with high blood
pressure
  Yes 305 (79.2) 150 (78.1) 155 (80.3)
  No 36 (9.4) 16 (8.3) 20 (10.4)
  Don’t know 44 (11.4) 26 (13.5) 18 (9.3)
Ever smoked or used tobacco
products
  Yes 283 (73.5) 142 (74.0) 141 (73.1)
  No 102 (26.5) 50 (26.0) 52 (26.9)
Smoked or used tobacco products
in past 6 monthsd
  Yes 108 (28.1) 49 (25.7) 59 (30.6)
  No 276 (71.9) 142 (74.3) 134 (69.4)
Current smokerd
  Yes 94 (24.5) 45 (23.6) 49 (25.4)
  No 290 (75.5) 146 (76.4) 144 (74.6)
Diabetes
  Yes 220 (57.1) 109 (56.8) 111 (57.5)
  No 165 (42.9) 83 (43.2) 82 (42.5)
Satisfied with BP controla,d, mean
(SD)
6.2 (2.8) 6.1 (2.7) 6.2 (2.8)
Average systolic BPb, mean (SD) 143.6 (17.6) 143.5 (17.7) 143.7 (17.5)
Average diastolic BPb, mean (SD) 79.9 (13.6) 79.4 (14.6) 80.3 (12.4)
Systolic BP statuse
  Significantly out of control 180 (46.8) 88 (45.8) 92 (47.7)
  Moderately out of control 115 (29.9) 57 (29.7) 58 (30.1)
  In control 90 (23.4) 47 (24.5) 43 (22.3)
Have someone to help with tasks, if
neededd
  Yes 337 (88.2) 163 (85.3) 174 (91.1)
  No 45 (11.8) 28 (14.7) 17 (8.9)
Medication adherence on modified
BP medication adherencec
  Non-adherent 164 (42.6) 82 (42.7) 82 (42.5)
  Adherent 221 (57.4) 110 (57.3) 111 (57.5)
Health professionals control my
healthd
  Strongly agree 66 (17.2) 37 (19.4) 29 (15.1)
  Agree 148 (38.6) 73 (38.2) 75 (39.1)
  Disagree 131 (34.2) 60 (31.4) 71 (37.0)
  Strongly disagree 38 (9.9) 21 (11.0) 17 (8.9)

SD = standard deviation, BP = blood pressure, REALM = Rapid Estimate of Adult Literacy in Medicine

Note. n (%) unless otherwise indicated.

a

Scale of 1–10, with 1 = definitely not satisfied and 10 = definitely satisfied

b

Average of three blood pressure measurements taken at baseline

c

Assessed using Morisky self-reported adherence measure. A positive response to at least one question indicated non-adherence.

d

Missing data: note, unless otherwise indicated, responses of ‘don’t know’ or ‘refused’ were considered missing. Information is missing as follows: marital status-1, race-3, Latino(a)/Hispanic origin- 6, household finances-4, smoker, current and 6mo-1, satisfaction with blood pressure control-1, REALM-6, Help with tasks- 3, Health professionals control my health-2

e

Significantly out of control: systolic BP ≥ 140 for diabetics and ≥ 150 for those without diabetes; Moderately out of control: systolic BP ≥ 130 for diabetics and ≥ 140 for those without diabetes; In control: systolic BP < 130 for diabetics and < 140 for those without diabetes