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Table 2 Characteristics of the study participants, Chongqing, China

From: Increase in the prevalence of hypertension among adults exposed to the Great Chinese Famine during early life

Variable Childhood exposure Fetal and infant exposure Non-exposure p-value
(n = 455) (n = 299) (n = 470)
Age (Mean/SD) 49.69 (0.79) 47.28 (0.45) 43.44 (0.62) <0.001**
Hypertension (%) 11.87 16.05 10.21 0.052
 Men (%) 56.70 55.85 55.74 0.952
Educational level     <0.001**
 Low 17.58 18.73 10.85  
 Medium 50.11 54.18 46.81  
 High 32.31 27.09 42.34  
Marital status     0.271
 Unmarried 1.10 1.67 0.85  
 Married or cohabitation 91.43 91.97 93.19  
 Divorce or Separated 5.93 5.02 3.19  
 Widowed 1.54 1.34 2.77  
Job conditions     <0.001**
 Unemployment 47.69 36.79 44.89  
 Employed/ 41.76 43.48 51.06  
 Stay at home 10.55 19.73 4.04  
Average monthly income     0.001*
 <850 Yuan 24.40 23.08 19.79  
 851 to 1600 Yuan 34.95 41.81 30.43  
 >1601 Yuan 40.66 35.12 49.79  
BMI     0.346
 Low weight 39.67 23.42 36.91  
 Normal weight 45.59 47.16 43.40  
 Overweight 20.00 22.41 23.62  
 Obesity 2.86 2.01 4.47  
Smokers (%) 41.98 37.12 36.38 0.179
Alcohol drinkers (%) 58.90 52.17 57.02 0.183
Regular physical activity     0.496
 Seldom 25.71 26.09 30.64  
 Sometimes 50.33 50.50 47.66  
 Usually 23.96 23.41 21.70  
Sleep status     0.758
 Good 38.68 38.80 42.13  
 Average 51.87 53.18 49.57  
 Poor 9.45 8.03 8.30  
Feeding practice     0.035*
 Breast feeding 81.10 75.25 84.74  
 Artificial feeding 5.49 7.69 5.11  
 Mixed feeding 13.41 17.06 10.43  
  1. Definition: 1) **Statistical difference exists (p < 0.001), *with statistical difference (P < 0.05)