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Table 3 Characteristics of drop-outs and non-drop-outs in an individual lifestyle intervention trial for workers at risk for cardiovascular disease, and the associations with drop-out.

From: Factors associated with non-participation and drop-out in a lifestyle intervention for workers with an elevated risk of cardiovascular disease

 

Drop-outs

 

Non-drop-outs

 

Crude

Multiple

 

N

Mean

(sd)

N

Mean

(sd)

OR

(95% CI)

OR

(95% CI)

Age (years)

70

41.90 (9.79)

745

46.52 (9.12)

0.95**

(0.93; 0.98)

0.95**

(0.93; 0.98)

BMI (kg/m2)

70

28.27 (3.84)

746

28.55 (3.59)

0.98

(0.91; 1.04)

-

SBP (mmHg)

70

142.13 (17.91)

746

142.16 (15.59)

1.00

(0.98; 1.02)

-

DBP (mmHg)

70

87.57 (10.92)

746

88.62 (9.55)

0.99

(0.96; 1.01)

-

Total cholesterol (mmol/l)

69

6.17 (0.90)

746

6.22 (0.94)

0.95

(0.73; 1.24)

-

HDL cholesterol (mmol/l)

69

1.14 (0.21)

741

1.12 (0.21)

1.67

(0.52; 5.37)

-

HbA1c (%)

69

5.62 (0.41)

742

5.67 (0.44)

0.79

(0.43; 1.47)

-

 

N

%

N

%

OR

(95% CI)

OR

(95% CI)

Smoking

(% yes)

69

61.4

740

53.5

1.44

(0.87; 2.39)

-

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

69

35.7

743

32.0

1.21

(0.72; 2.01)

-

Tiredness and/or stress (% yes)

70

34.3

746

35.8

0.94

(0.56; 1.57)

-

Fulfilling none of the PA guidelines (% yes)

67

41.4

731

40.4

1.13

(0.68; 1.87)

-

Type of work

(% administrative/supervisory tasks)

70

24.3

746

23.6

0.96

(0.54; 1.71)

-

  1. **p < 0.01.
  2. 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.