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Table 5 Factors associated with serum total cholesterol and changes in serum total cholesterol by gender and occupation among cohort populations in Guangzhou, China, 1983-1994

From: Adverse trends of cardiovascular risk factors among low risk populations (1983-1994) - a cohort study of workers and farmers in Guangzhou, China

  Males Females
  Workers Farmers Workers Farmers
  β SE β SE β SE β SE
Time (10 years) 5.4** 1.4 19.4** 1.6 2.0 1.5 13.2** 1.2
Age (year) 0.8** 0.1 -0.1 0.1 1.8** 0.1 1.2** 0.1
Education (levela) 3.4** 1.0 1.4 1.6 0.9 0.8 4.3** 1.3
Body mass index (kg/m2) 1.4** 0.4 1.4** 0.4 1.2** 0.3 1.5** 0.4
Change in body mass index (kg/m2) 2.3** 0.5 3.1** 0.6 1.3** 0.4 1.8** 0.3
Cigarettes per day (10/d) -0.2 0.8 0.6 0.6 b   b  
Change in cigarettes per day (10/d) -0.6 0.6 1.0* 0.5 b   b  
Alcohol intake (13.7 g/d) 1.3** 0.5 0.9** 0.2 1.8 2.2 -0.1 0.9
Change in alcohol intake (13.7 g/d) 0.6* 0.3 0.4* 0.2 0.9 1.1 0.7 1.1
  1. **P < 0.01; *P < 0.05; aFour education levels: never attended school, primary school, middle school, and high school or higher; bNot included in the model because few females smoked; and c13.7 g/d is equivalent to 1 drink/d