|
Variables
|
Reference
|
Low frequency (< 2 times/week)
|
Middle frequency (2–4 times/week)
|
High frequency (5–7 times/week)
|
P value
|
|---|
|
Number (%)
|
|
Intervention arm
|
289 (23.3%)
|
285 (23.0%)
|
281 (22.7%)
|
385 (31.0%)
|
–
|
|
Control arm
|
257 (18.8%)
|
412 (30.1%)
|
340 (24.9%)
|
358 (26.2%)
|
–
|
|
Age, years
|
|
Intervention arm
|
49.9 (8.4)
|
46.8 (7.8)
|
48.3 (7.3)
|
50.1 (7.4)
|
0.263
|
|
Control arm
|
49.7 (7.5)
|
47.7 (8.1)
|
48.4 (7.0)
|
50.1 (7.1)
|
0.112
|
|
Male, %
|
|
Intervention arm
|
67.1%
|
86.3%
|
89.0%
|
86.5%
|
< 0.001
|
|
Control arm
|
77.8%
|
86.4%
|
85.0%
|
85.2%
|
0.063
|
|
BMI, kg/m2
|
|
Intervention arm
|
24.7 ± 3.6
|
24.4 ± 3.2
|
24.5 ± 3.0
|
24.1 ± 2.9
|
0.092
|
|
Control arm
|
24.7 ± 3.3
|
24.3 ± 3.0
|
24.2 ± 3.3
|
23.9 ± 2.8
|
0.002
|
|
Fasting plasma glucose, mmol/L
|
|
Intervention arm
|
5.92 ± 0.34
|
5.92 ± 0.35
|
5.89 ± 0.33
|
5.90 ± 0.31
|
0.988
|
|
Control arm
|
5.90 ± 0.31
|
5.90 ± 0.33
|
5.91 ± 0.33
|
5.89 ± 0.30
|
0.568
|
|
The phone call participation rate, %
|
|
Intervention arm
|
61.6%
|
86.6%
|
92.7%
|
97.5%
|
< 0.001
|
|
Control arm
|
–
|
–
|
–
|
–
|
–
|
- Values are number (%) or the mean (standard deviation). P values using the Cochran–Armitage test or Jonckheere-Terpstra test
