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Table 1 Baseline characteristics of the 1854 Japanese workers in 2005

From: Sense of coherence as a predictor of onset of depression among Japanese workers: a cohort study

  Score for sense of coherence (range) p for difference*
  Low (16-39) High (40-64)  
Number of participants 954 900  
Male, n (%) 698 (73.2) 697 (77.4) 0.033
Age, mean ± SD (years) 34.7 ± 8.1 36.5 ± 8.9 <0.0001
Administrative post, n (%) 357 (37.4) 425 (47.2) <0.0001
Married, n (%) 413 (43.3) 503 (55.9) <0.0001
Working hours per day, mean ± SD 9.3 ± 1.5 9.3 ± 1.4 0.503
  1. *Tested by t-test for age and working hours per day, and by χ2 test for gender, administrative post, and married status.