Table 4 Baseline characteristics of OPACH participants by age group

N (%)

6489

666 (10.3)

2600 (40.1)

2953 (45.5)

270 (4.2)

 Non-Hispanic White

3205 (49.4)

94 (2.9)

697 (21.8)

2192 (68.4)

222 (6.9)

<0.001

 Non-Hispanic Black

2187 (33.7)

373 (17.1)

1264 (57.8)

511 (23.4)

39 (1.8)

 Hispanic/Latina

1097 (16.9)

199 (18.1)

639 (58.3)

250 (22.8)

9 (0.8)

 High School or less

1316 (20.4)

101 (7.7)

499 (37.9)

652 (49.5)

64 (4.9)

0.002

 Some College

2496 (38.7)

267 (10.7)

1024 (41.0)

1111 (44.5)

94 (3.8)

 College Graduate or more

2634 (40.9)

293 (11.1)

1056 (40.1)

1174 (44.6)

111 (4.2)

 Current Smoker, n (%)

164 (2.8)

35 (21.3)

81 (49.4)

47 (28.7)

1 (0.6)

<0.001

 Non-drinker

2230 (37.9)

203 (9.1)

912 (40.9)

1022 (45.8)

93 (37.8)

0.12

  < 1 drink per week

2008 (34.1)

210 (10.5)

820 (40.8)

889 (44.3)

89 (36.2)

  ≥ 1 drink per week

1651 (28.0)

176 (10.7)

617 (37.4)

794 (48.1)

61 (26.0)

  Excellent or Very Good Self-Rated Health, n (%)

2977 (50.8)

338 (11.4)

1216 (40.9)

1321 (44.4)

102 (3.4)

<0.001

  RAND SF-36 Physical Function Score, mean (SD)

67.9 (26.0)

78.9 (23.1)

73.0 (25.0)

62.5 (25.3)

48.3 (25.3)

<0.001

  Depressive Symptoms Score, mean (SD)

0.03 (0.11)

0.04 (0.15)

0.03 (0.12)

0.02 (0.09)

0.01 (0.07)

<0.001

  Self-Reported Physical Activity, MET-hrs/week, mean (SD)

11.9 (14.0)

15.0 (16.5)

13.3 (14.8)

10.4 (12.8)

6.6 (8.9)

<0.001

 CHAMPS Expenditure, MET-hrs/week, mean (SD)

29.1 (26.8)

34.8 (32.2)

31.7 (29.0)

26.5 (23.4)

18.9 (18.3)

<0.001

  CARDIA Scale, sedentary hours/week, mean (SD)

56.4 (22.7)

58.3 (25.3)

57.8 (24.1)

54.7 (20.6)

54.7 (20.9)

<0.001

 None

4503 (69.4)

493 (11.0)

1870 (41.5)

1974 (43.8)

166 (3.7)

<0.001

 One time

1258 (19.4)

112 (8.9)

484 (38.5)

602 (47.9)

60 (4.8)

 Two or more times

728 (11.2)

61 (8.4)

246 (33.8)

377 (51.8)

44 (6.0)

 Falls Efficacy Score, mean (SD)

10.7 (4.2)

9.6 (3.8)

10.1 (3.8)

11.3 (4.3)

13.3 (5.1)

<0.001

 Short Physical Performance Battery score, mean (SD)

8.2 (2.5)

9.2 (2.1)

8.6 (2.3)

7.7 (2.6)

6.5 (2.9)

<0.001

 Systolic Blood Pressure, mean (SD)

125.7 (14.3)

122.6 (12.9)

125.2 (13.8)

126.6 (14.7)

127.9 (16.4)

<0.001

 Diastolic Blood Pressure, mean (SD)

72.5 (8.8)

73.6 (8.1)

73.3 (8.6)

71.8 (9.0)

71.0 (9.2)

<0.001

 Waist, inches, mean (SD)

35.5 (5.5)

36.1 (5.5)

36.1 (5.7)

35.0 (5.2)

33.8 (5.1)

<0.001

 Weight, lbs, mean (SD)

158.4 (34.4)

171.8 (37.5)

166.1 (35.9)

150.6 (30.0)

138.3 (25.9)

<0.001

 Body Mass Index, kg/m², mean (SD)

28.2 (5.8)

29.9 (6.2)

29.3 (6.1)

27.1 (5.2)

25.9 (4.8)

<0.001

  < 25 kg/m²

1944 (32.1)

128 (6.6)

627 (32.3)

1065 (54.8)

124 (6.4)

<0.001

 25–<30 kg/m²

2199 (36.3)

209 (9.5)

868 (39.5)

1032 (46.9)

90 (4.1)

  ≥ 30 kg/m²

1917 (31.6)

259 (13.5)

938 (48.9)

677 (35.3)

43 (2.2)

 Stroke

459 (7.1)

21 (4.6)

134 (29.2)

271 (59.0)

33 (7.2)

<0.001

 Congestive Heart Failure

133 (2.1)

9 (6.8)

41 (30.8)

73 (54.9)

10 (7.5)

0.013

 Total CVD

1327 (20.5)

92 (6.9)

472 (35.6)

687 (51.8)

76 (5.7)

<0.001

 Hip fracture

188 (2.9)

4 (2.1)

24 (12.8)

133 (70.7)

27 (14.4)

<0.001

 Any clinical fracture

2202 (33.9)

150 (6.8)

775 (35.2)

1156 (52.5)

121 (5.5)

<0.001

 Diabetes

2078 (32.0)

237 (11.4)

933 (44.9)

846 (40.7)

62 (3.0)

<0.001

 Osteoarthritis

4000 (61.6)

404 (10.1)

1599 (40.0)

1817 (45.4)

180 (4.5)

0.36

 Invasive cancer

992 (15.3)

72 (7.3)

391 (39.4)

488 (49.2)

41 (4.1)

0.003

 Breast cancer

480 (7.4)

44 (9.2)

216 (45.0)

202 (42.1)

18 (3.8)

0.15