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Table 3 Associations between exercise initiation and baseline demographic, smoking, social support and hours watching television.

From: Predictors of vigorous exercise adoption and maintenance over four years in a community sample

   Year 2 Year 3 Year 4
   Adopt
N = 135
Sedentary
N = 447
Adopt
N = 73
Sedentary
N = 347
Adopt
N = 48
Sedentary
N = 326
Gender Female 108
80.0%
356
79.6%
51
69.9%
305***
81.5%
36
75.0%
269
82.5%
Age (years)   37.9
SD = 6.3
37.5
SD = 6.3
38.2
SD = 5.2
37.4
SD = 6.5
37.4
SD = .6.7
37.4
SD = 6.6
BMI (kg/m2)   27.34
SD = 6.1
28.4*
SD = 6.3
27.6
SD = 5.5
28.5
SD = 6.4
28.3
SD = 6.9
28.6
SD = 6.4
Employed Yes 114
84.4%
360
80.5%
63
86.3%
297
79.4%
38
79.5%
259
79.5%
Ethnicity White 118
87.4%
382
85.5%
63
86.3%
319
85.3%
42
87.5%
277
84.5%
Income Group < $25,000 41
30.4%
177**
39.6%
26
35.6%
151
40.4%
20
41.7%
131
40.2%
Marital Status Married 69
51.1%
219
49.0%
33
45.2%
186
49.7%
30
62.5%
156
47.9%
  Sep/Div/ Widowed 22
16.3%
74
16.5%
13
17.8%
61
16.3%
9
18.8%
52
16.0%
  Never Married 44
32.59%
154
34.5%
27
37.0%
127
34.0%
9
18.8%
18.8*
36.2%
Education HS degree or less 14
10.4%
59
13.2%
7
9.6%
52
13.9%
5
10.4%
47
14.4%
  HS degree + some college 49
36.3%
186
41.6%
25
34.3%
161
43.1%
19
39.6%
142
43.6%
  College degree + more 72
53.3%
202
45.2%
41
56.2%
161
43.1%
24
50.0%
137
42.0%
Smoking status yes 25
18.5%
106
23.7%
15
20.6%
91
24.3%
6
12.5%
85**
26.1%
TV/day   2.4
SD = 1.9
2.7
SD = 2.6
2.1
SD = 1.6
2.8***
SD = 2.8
2.6
SD = 3.2
2.8
SD = 2.7
Social support family   3.0
SD = 1.3
2.7***
SD = 1.3
2.6
SD = 1.4
2.7
SD = 1.3
2.9
SD = 1.2
2.6
SD = 1.3
Social support friend   2.8
SD = 1.2
2.6**
SD = 1.2
2.5
SD = 1.1
2.6
SD = 1.2
2.5
SD = 1.2
2.6
SD = 1.2
  1. *** denotes significant difference at the p < .001
  2. ** denotes significant difference at the p < .05