Skip to main content

Table 1 Descriptive characteristics of the health workers cohort study (HWCS) sample at baseline (2004) and follow up (2010) (N = 1268)

From: Soft drink intake is associated with weight gain, regardless of physical activity levels: the health workers cohort study

Characteristics

2004

Mean (SD)

2010

Mean (SD)

Average change

Mean difference (SD)

Age (years)

45.3 (12.7)

52.3 (12.8)

7.0 (1.5)

Soft drink intake (servings/ day)

0.5 (0.7)

0.4 (0.6)

−0.1 (0.6)

Weight (Kg)

66.9 (13.1)

68.0 (13.7)

1.1 (5.7)

BMI (kg/m2)

26.5 (4.3)

27.1 (4.5)

0.6 (2.2)

BMI category, %

  < 25 kg/m2

38.9

35.5

−3.4

  ≥ 25 kg/m2

60.1

64.5

4.4

 Physical activity (min/day)

24.1 (29.2)

21.3 (26.7)

−2.8 (33.6)

Physical activity (min/day), %

 Low (< 21.44 min/day)

61.3

66.6

5.3

 High (≥21.44 min/day)

38.7

33.4

−5.3

Education, %

 Elementary school

12.4

12.2

−0.2

 Secondary or high school

37.4

36.7

−0.7

 College or higher

50.2

51.1

0.9

Smoking status, %

 Never

58.3

55.5

−2.8

 Past

24.8

32.1

7.3

 Current

17.0

12.3

−4.7

Chronic diseases, %

 No

90.6

85.2

−5.4

 Yes

9.4

14.8

5.4

Screen-time/ week, %

 3–4 h

59.4

60.2

0.8

 5–6 h

21.4

15.3

−6.1

  ≥ 7 h

19.2

24.5

5.3

 Total daily sleep (hours)

8.0 (1.8)

7.7 (1.8)

−0.3 (2.1)

Alcohol intake (grams/day), %

 Low (≤12.5 g/day)

91.4

93.5

2.1

 High (> 12.5 g/day)

8.6

6.5

−2.1

Food groups (servings/ day)

 Red meat (servings/day)

0.9 (0.71)

0.5 (0.5)

−0.4 (0.8)

 Fruits (servings/day)

4.0 (4.3)

4.2 (4.6)

0.2 (5.5)

 Vegetables (servings/day)

4.3 (3.0)

4.3 (5.0)

−0.0 (5.6)

 Total dairy (servings/day)

2.0 (1.3)

1.5 (0.4)

−0.5 (1.3)

 Nuts (servings/day)

0.3 (0.5)

0.4 (0.8)

0.1 (0.9)

 Yogurt (servings/day)

0.3 (0.5)

0.2 (0.3)

−0.1 (0.5)

 White bread (servings/day)

0.4 (0.7)

0.2 (0.4)

−0.2 (0.7)

 Tortillas (servings/day)

3.0 (1.9)

3.0 (1.8)

−0.0 (1.9)

 Orange juice (servings/day)

0.4 (0.6)

0.3 (0.5)

−0.1 (0.7)

  1. Age, soft drink intake, weight, physical activity (min/day and METS min/day), total daily sleep and food groups are reported as means and standard deviations. The other variables are reported as column percentages. Soft drink intake considered cola and flavor soft drink. A serving of soft drink represents a bottle of 355 ml. Chronic diseases include cirrhosis, diabetes, cardiovascular diseases, cancer and kidney diseases. Low physical activity category (< 21.44 min /day) is equal to < 150 min/week and high physical activity category (≥21.44 min /day) is equal to ≥150 min/week, according with physical activity recommendations of WHO