Table 2

Characteristics of participants and non-participants in an individual lifestyle intervention trial for workers at risk for cardiovascular disease, and the associations with participation.

Participants

Non-participants

Crude

Multiple


N

Mean

(sd)

N

Mean

(sd)

OR

(95% CI)

OR

(95% CI)

Age

816

46.08 (9.32)

3,240

42.24**

(10.89)

1.04

(1.03;1.04)**

1.04

(1.03; 1.05)**

BMI (kg/m2)

816

28.53 (3.61)

3,231

28.29 (4.12)

1.01

(1.00; 1.03)

-

SBP (mmHg)

816

142.13 (15.81)

3,231

141.48 (16.68)

1.00

(1.00; 1.01)

0.99

(0.99; 1.00)**

DBP (mmHg)

816

88.51 (9.68)

3,231

87.07** (10.10)

1.01

(1.01;1.02)**

-

Total cholesterol (mmol/l)

815

6.21 (0.94)

3,222

6.07**

(0.98)

1.16

(1.07;1.25)**

-

HDL cholesterol (mmol/l)

809

1.12 (0.21)

3,194

1.15**

(0.22)

0.58

(0.41;0.84)**

-

HbA1c (%)

810

5.66 (0.40)

3,188

5.63

(0.44)

1.14

(0.96; 1.36)

-

N

%

N

%

OR

(95% CI)

OR

(95% CI)

Smoking

(% yes)

809

54.4

3,218

62.7

0.71

(0.61;0.83)**

0.66

(0.56; 0.78)**

Chest pain and/or shortness of breath (% yes)

809

32.5

3,210

28.0

1.24

(1.05; 1.46)*

1.21

(1.02; 1.44)**

Tiredness and/or stress (% yes)

812

35.7

3,205

30.5

1.27

(1.08;1.49)**

-

Fulfilling none of the PA guidelines (% yes)

798

40.7

3,180

40.2

1.02

(0.97; 1.20)

-

Type of work

(% administrative/supervisory tasks)

816

23.8

3,240

17.9

0.70

(0.58;0.84)**

0.70

(0.56; 0.78)**


*p < 0.05. **p < 0.01.

sd: standard deviation; OR: odds ratio; CI: confidence interval; BMI: body mass index; SBP: systolic blood pressure; DBP: diastolic blood pressure; HDL: high density lipid; HbA1c: hemoglobin A1c; PA: physical activity

Groeneveld et al. International Journal of Behavioral Nutrition and Physical Activity 2009 6:80   doi:10.1186/1479-5868-6-80

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