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Table 3 Association between physical activity and risk of incident type 2 diabetes in stratified analysis

From: Different levels of physical activity and risk of developing type 2 diabetes among adults with prediabetes: a population-based cohort study

Variable

N%

Low

Moderate

HR(95%CI)

High

HR(95%CI)

P for interaction

Sex

     

 Men

81.2

1.00 [Reference]

0.58 (0.49–0.69)

0.75 (0.64–0.88)

0.68

 Women

18.8

1.00 [Reference]

0.60 (0.38–0.91)

0.92 (0.59–1.42)

Age, years

     

 < 50

34.0

1.00 [Reference]

0.51 (0.40–0.66)

0.65 (0.52–0.82)

0.02

 50–59

28.0

1.00 [Reference]

0.68 (0.51–0.90)

0.90 (0.69–1.17)

 ≥ 60

38.0

1.00 [Reference]

0.74 (0.57–0.97)

1.03 (0.75–1.42)

BMI, kg/m2

     

 < 24

34.0

1.00 [Reference]

0.61 (0.45–0.82)

0.81 (0.59–1.10)

0.90

 24–28

47.3

1.00 [Reference]

0.58 (0.46–0.70)

0.80 (0.66–0.98)

 ≥ 28

18.7

1.00 [Reference]

0.54 (0.40–0.73)

0.66 (0.48–0.89)

Smoking Status

     

 Current smoker

41.6

1.00 [Reference]

0.59 (0.47–0.74)

0.72 (0.58–0.89)

0.83

 Nonsmoker

58.4

1.00 [Reference]

0.57 (0.47–0.70)

0.81 (0.66–0.98)

Alcohol Consumption

     

 Current drinker

45.7

1.00 [Reference]

0.63 (0.50–0.78)

0.76 (0.61–0.94)

0.23

 Nondrinker

54.3

1.00 [Reference]

0.54 (0.43–0.66)

0.75 (0.62–0.92)

Nighttime sleeping hours

(hours/day)

     

 < 5

7.9

1.00 [Reference]

0.56 (0.34–0.92)

0.65 (0.38–1.10)

0.77

 5–7

24.7

1.00 [Reference]

0.61 (0.45–0.82)

0.72 (0.52–0.98)

 ≥ 7

67.4

1.00 [Reference]

0.58 (0.48–0.69)

0.81 (0.68–0.97)

Metabolic Syndrome

     

 Yes

53.1

1.00 [Reference]

0.54 (0.44–0.66)

0.85 (0.70–1.02)

< 0.001

 No

46.9

1.00 [Reference]

0.65 (0.51–0.82)

0.69 (0.54–0.88)

Hypertension

     

 Yes

70.5

1.00 [Reference]

0.59 (0.50–0.71)

0.84 (0.71–0.98)

0.08

 No

29.5

1.00 [Reference]

0.57 (0.42–0.76)

0.57 (0.40–0.80)

DASH diet score

     

 ≤ 25

35.9

1.00 [Reference]

0.47 (0.44–0.68)

0.47 (0.44–0.68)

0.16

 26–30

35.1

1.00 [Reference]

0.69 (0.53–0.89)

0.69 (0.53–0.89)

 ≥ 31

29.0

1.00 [Reference]

0.65 (0.47–0.90)

0.65 (0.47–0.90)

  1. Abbreviations: BMI, body mass index; DASH, Dietary Approaches to Stop Hypertension; HDL, High density lipoproteins
  2. Adjusted model: model adjusted for sex (men or women) and age (continuous variable, years), smoking status (current or never), alcohol consumption (current or never), nighttime sleeping hours (< 5, 5–7, or ≥ 7 h/day), TV-time (< 2, 2–4, or ≥ 4 h/day), central obesity (yes or no), family history of diabetes (yes or no), education (middle school &below, high school, or college & above), average monthly income of each family member(< 1,000, 1,000–3,000, or ≥ 3,000 Yuan), marital status(married or single), DASH diet score (≤ 25, 26–30, or ≥ 31 points), and body mass index (< 24, 24 ≤ BMI < 28, or ≥ 28 kg/m2), systolic blood pressure, low density lipoprotein, and triglyceride, except for the stratified factors
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Nutrition Journal

ISSN: 1475-2891

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