Skip to main content
. 2018 Jun 25;7(13):e008814. doi: 10.1161/JAHA.118.008814

Table 1.

Baseline Characteristics in 80 182 Kailuan Study Participants by Tea Consumption in 2006a

Tea Consumption
Never or Less Than Once/Month (n=63 611) 1 to 3 Times/Month (n=5141) 1 to 3 Times/Week (n=4099) ≥4 Times/Week (n=7331)
Sex, %
Men 76.0 82.5 85.4 90.8
Age, y 49.4±0.05 43.8±0.17 46.6±0.19 51.8±0.14
Education, %
Illiterate 8.9 7.6 8.2 13.0
Middle 75.5 48.0 51.5 54.6
College 16.6 44.3 40.2 32.3
Occupation, %
White collar 5.8 15.2 15.7 14.7
Coal miner 21.1 31.2 28.0 27.4
Other blue collar 73.0 53.6 56.3 57.6
Income level (RMB/month), %
<600 26.6 37.9 37.0 38.6
600 to 1000 61.6 37.4 38.6 37.3
1000+ 11.7 24.8 24.3 23.9
Physical activity, %
Inactive 8.1 12.1 12.3 12.3
Moderate active 79.7 69.9 66.5 54.3
Active 12.1 17.9 21.0 33.1
Smoking status, %
Never 67.1 37.9 36.6 29.5
Past 4.0 8.0 8.6 9.5
Current 28.8 54.0 54.7 60.8
Alcohol drinking status, %
Never 66.8 27.4 26.7 27.0
Past 2.7 4.4 4.4 5.1
Current 30.4 68.0 68.8 67.7
Fatty liver, %
None 89.6 89.9 89.0 85.9
Mild 8.3 8.0 8.8 11.1
Severe 1.7 1.6 1.7 2.6
Blood glucose status, %
Normoglycemia 71.4 71.9 70.0 67.0
Impaired fasting blood glucose 20.2 20.8 22.0 22.0
Hyperglycemia 7.9 6.9 7.7 10.5
Blood pressure status, %
Normotensive 21.0 29.8 27.2 19.4
Prehypertension 37.5 38.0 37.5 35.0
Hypertension 41.4 32.0 35.2 45.5
C‐reactive protein,b mg/L 0.71±1.01 0.83±1.02 0.79±1.02 0.79±1.02
Body mass index, kg/m2 24.9±0.01 25.0±0.05 25.1±0.05 25.3±0.04
Waist circumference, cm 86.5±0.04 86.1±0.13 86.3±0.15 86.8±0.11
a

Means±SEs (all such values unless otherwise indicated) adjusted for age and sex.

b

C‐reactive protein values are geometric means±SEs.