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Table 3 The number of analysis subject's lifestyle items, and the number of depression in 2000.

From: Health status and lifestyle factors as predictors of depression in middle-aged and elderly Japanese adults: a seven-year follow-up of the Komo-Ise cohort study

  Men Women
  N % Depression(%) p-value N % Depression(%) p-value
Lifestyle         
Hours of sleep     p = 0.43     p < 0.05
   6-9 hours 3,965 93.9 56(1.7)   4,431 93.0 66(1.8)  
   <6 hours 119 2.8 3(2.9)   276 5.8 7(3.0)  
   9 hours < 140 3.3 3(2.9)   59 1.2 3(6.4)  
Smoking     p = 0.90     p = 0.07
   Never 1,133 29.3 17(1.8)   4,121 88.9 58(1.6)  
   Past 732 18.9 10(1.6)   85 1.8 2(2.9)  
   Current 2,004 51.8 32(1.9)   427 9.2 12(3.3)  
Alcohol consumption     p < 0.05     p = 0.62
   Never 872 20.6 18(2.5)   2,739 57.5 48(2.1)  
   Light 2,260 53.5 23(1.2)   1,915 40.2 27(1.6)  
   Heavy 1,095 25.9 20(2.1)   110 2.3 2(2.0)  
Physical activity     p < 0.01     p = 0.07
   Often, sometimes 1,995 47.3 17(1.0)   1,964 41.2 23(1.4)  
   Never 2,224 52.7 44(2.3)   2,801 58.8 52(2.2)  
  1. *Subjects with missing values were excluded from each calculation of proportion.
  2. Depression (%): Number of depression in 2000 (%)