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. 2013 Sep 2;10:104. doi: 10.1186/1479-5868-10-104

Table 1.

Baseline socio-demographic characteristics of the intervention groups and the control group included at the 12-month measurement

  Printed basic
Printed env.
Web-based basic
Web-based env.
Control group
Sign. diff.
(n = 275) (n = 256) (n = 214) (n = 193) (n = 310)
Gender (% men)
47.8
43.7
52.8
51.8
49.0
.305
Age (years)
63.2
63.7
62.6
61.6
64.1
.011
 (Mean ± SD)
(± 8.3)
(± 8.9)
(± 7.2)
(± 7.8)
(± 9.0)
BMI (kg/m2)
 
 
 
 
 
.345
 Underweight (%)
1.5
2.0
0.5
0.5
2.3
 
 Healthy (%)
50.7
46.6
42.6
47.6
43.6
 
 Overweight (%)
47.8
51.4
56.9
51.8
54.1
 
Education (% low)
41.5
49.0
43.5
47.4
49.5
.257
Having a chronic physical limitation (%)
55.6
50.4
29.9
31.6
52.3
.000
Physical activity (PA)
 
 
 
 
 
 
 Minutes of PA (per week)
742.0
744.5
741.7
721.2
788.4
.848
  (Mean ± SD)
(± 637.2)
(± 624.1)
(± 637.2)
(± 754.9)
(± 718.6)
 Days of PA (per week)
4.2
4.0
4.6
3.9
3.8
.001
  (Mean ± SD)
(± 1.9)
(± 2.0)
(± 2.1)
(± 1.9)
(± 2.0)
 Compliance with the PA norm (%)
44.5
41.4
51.4
38.9
38.2
.028
 Intention to be sufficiently
7.8
7.9
7.7
7.6
7.6
.200
  Physically active (mean ± SD) (± 1.5) (± 1.5) (± 1.4) (± 1.5) (± 1.6)

NB: The bold numbers reflect a significant difference of p<.05.