Table 1 Demographic characteristics of the obese adults according to the body mass index at second period (2004–2005).

From: Association of weight fluctuation with cardiovascular disease risk among initially obese adults

Characteristic

Weight gain (n = 1,659)

No weight change (n = 59,975)

Weight loss (n = 5,467)

Age, years

51.3 (9.0)

50.5 (8.1)

51.2 (8.6)

Sex, n (%)

Female

822 (49.5)

22,073 (36.8)

2,702 (49.4)

Male

837 (50.5)

37,902 (63.2)

2,765 (50.6)

Body mass index, kg/m2

27.1 (2.0)

26.9 (1.7)

28.1 (3.8)

Systolic blood pressure, mmHg

130.3 (17.8)

129.6 (17.1)

130.5 (17.7)

Diastolic blood pressure, mmHg

81.8 (11.5)

81.8 (11.4)

81.9 (11.5)

Fasting serum glucose, mg/dL

100.7 (40.4)

98.8 (31.6)

101.1 (35.9)

Total cholesterol, mg/dL

205.0 (39.3)

206.3 (38.2)

207.7 (39.7)

Aspartate aminotransferase, IU/L

28.3 (17.2)

28.2 (16.1)

28.9 (19.8)

Alanine aminotransferase, IU/L

29.8 (21.7)

31.2 (22.8)

31.1 (23.6)

γ-glutamyl transpeptidase, IU/L

42.0 (56.0)

44.0 (48.2)

41.5 (48.2)

Charlson comorbidity index

0

1,038 (62.6)

40,082 (66.8)

3,524 (64.5)

1

427 (25.7)

14,123 (23.6)

1,332 (24.4)

 ≥ 2

194 (11.7)

5,770 (9.6)

611 (11.2)

Smoking status, n (%)

Never

1,136 (68.5)

37,947 (63.3)

3,841 (70.3)

Previous

136 (8.2)

7,112 (11.2)

542 (9.9)

Current

387 (23.3)

14,916 (24.5)

1,084 (19.8)

Alcohol consumption frequency, n (%)

None

937 (56.5)

29,750 (49.6)

3,110 (56.9)

1–6 days

666 (40.1)

28,148 (46.9)

2,157 (39.5)

Everyday

56 (3.4)

2,077 (3.5)

200 (3.7)

Exercise frequency, n (%)

None

940 (56.7)

30,275 (50.5)

3,058 (55.9)

1–6 days

613 (36.9)

25,716 (42.9)

2,086 (38.2)

Everyday

106 (6.4)

3,984 (6.6)

323 (5.9)

  1. Data are mean (standard deviation) unless indicated otherwise.