Table 1 Clinical characteristics of 178,780 participants according to the stage of healthy lifestyle change.

From: Health-related behavioral changes and incidence of chronic kidney disease: The Japan Specific Health Checkups (J-SHC) Study

 

Total

Precontemplation

Contemplation

Preparation

Action

Maintenance

 
 

n = 178,870

n = 54,870

n = 55,034

n = 20,630

n = 14,059

n = 34,187

P trend

Baseline (2008)

Age, years

66 (61–70)

67 (62–70)

65 (59–69)

65 (59–69)

65 (60–69)

67 (63–70)

0.002

Men, %

37

44

34

32

33

36

 < 0.001

Body mass index, kg/m2

22.5 (20.6–24.6)

22.0 (20.2–24.0)

22.9 (20.9–25.1)

23.0 (21.0–25.2)

23.0 (21.1–25.0)

22.3 (20.6–24.2)

 < 0.001

Waist, cm

83.0 (77.0–88.6)

81.5 (75.5–87.0)

84.0 (78.0–90.0)

84.0 (78.0–90.0)

84.0 (78.0–89.7)

82.2 (77.0–88.0)

 < 0.001

Systolic BP, mmHg

128 (118–140)

128 (118–140)

128 (118–140)

128 (118–140)

128 (118–140)

129 (118–140)

0.002

Diastolic BP, mmHg

76 (70–82)

76 (70–82)

76 (70–82)

76 (70–82)

76 (70–82)

76 (70–82)

0.47

Fasting plasma glucose, mg/dL

93 (87–101)

92 (86–99)

93 (87–100)

93 (87–101)

93 (87–102)

93 (87–102)

 < 0.001

Hemoglobin A1c, %

5.6 (5.4–5.9)

5.6 (5.4–5.8)

5.6 (5.4–5.9)

5.6 (5.4–5.9)

5.7 (5.4–5.9)

5.7 (5.4–5.9)

 < 0.001

Triglyceride, mg/dL

98 (71–137)

94 (69–132)

101 (73–144)

101 (73–144)

100 (74–139)

95 (70–132)

0.817

HDL cholesterol, mg/dL

62 (52–73)

62 (52–74)

61 (51–72)

61 (51–72)

61 (51–72)

63 (53–74)

0.002

LDL cholesterol, mg/dL

124 (105–144)

121 (103–141)

126 (107–146)

127 (108–148)

126 (107–146)

124 (105–144)

 < 0.001

Creatinine, mg/dL

0.64 (0.60–0.70)

0.70 (0.60–0.80)

0.60 (0.60–0.70)

0.60 (0.60–0.70)

0.61 (0.60–0.70)

0.68 (0.60–0.71)

 < 0.001

eGFR, ml/min/1.73m2

75.7 (68.6–88.5)

75.3 (69.4–88.5)

76.0 (69.9–89.7)

75.7 (68.5–89.0)

75.7 (67.8–87.1)

75.0 (66.4–86.1)

 < 0.001

Uric acid, mg/dL

4.9 (4.1–5.7)

4.9 (4.1–5.8)

4.8 (4.1–5.7)

4.9 (4.1–5.7)

4.9 (4.1–5.8)

4.9 (4.1–5.7)

0.75

Hemoglobin, g/dL

13.5 (12.6–14.4)

13.4 (12.5–14.4)

13.4 (12.6–14.4)

13.5 (12.6–14.4)

13.5 (12.7–14.4)

13.5 (12.7–14.4)

 < 0.001

Smoke, %

13

16

15

13

10

8

 < 0.001

Daily drinker, %

46

50

45

44

44

44

 < 0.001

Hypertension, %

47

45

46

48

49

48

 < 0.001

Diabetes, %

9

6

9

9

11

12

 < 0.001

Dyslipidemia, %

43

37

45

48

48

46

 < 0.001

Cardiovascular disease, %

9

6

9

9

11

10

 < 0.001

Antihypertensive drug, %

28

37

28

48

31

29

 < 0.001

Antidiabetic drug, %

4

8

4

9

6

7

 < 0.001

Antilipidemic drug, %

16

26

16

28

20

20

 < 0.001

Follow-up (2009)

Stage of changes, %

       

Precontemplation

31.3

61.0

19.2

15.5

15.9

19.2

 

Contemplation

28.7

17.6

47.6

34.1

23.6

14.8

 

Preparation

11.8

6.2

14.4

24.6

14.5

7.7

 

Action

7.7

4.1

7.4

11.1

15.9

8.3

 

Maintenance

20.5

11.1

11.3

14.7

30

50.1

 

Incidence of CKD, %

20

19.8

19.0

20.6

21.5

20.8

 < 0.001

Incidence of proteinuria, %

2.8

2.8

2.9

2.9

2.8

2.5

0.001

  1. Values are expressed as medians (interquartile range), or percentage as appropriate.
  2. BP blood pressure, HDL high-density lipoprotein, LDL low-density lipoprotein, eGFR estimated glomerular function rate, CKD chronic kidney disease.