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Table 1 General characteristics, baseline CES-D score, KOSS-SF total score differences between subject groups in 1st survey (April 2014)

From: Changes of depression and job stress in workers after merger without downsizing

Variables Total (n = 209)
Mean ± SD or N
Non-office worker (n = 104)
Mean ± SD or N (%)
Office-worker (n = 105)
Mean ± SD or N (%)
P value*
Age, years 26.52 ± 3.78 25.94 ± 4.56 27.10 ± 2.71 0.027
Tenure, years 6.22 ± 3.87 7.64 ± 3.66 4.81 ± 3.55 < 0.001
CES-Da score 7.75 ± 7.94 8.20 ± 7.39 7.30 ± 8.46 0.411
KOSS-SFb score 45.03 ± 12.23 46.18 ± 11.32 43.89 ± 13.02 0.176
Gender (Male/Female) 172(82.3)/37(17.7) 98(94.2)/6(5.8) 74(70.5)/31(29.5) < 0.001
Educational level (≤High school/≥College) 110(52.6)/99(47.4) 84(80.8)/20(19.2) 26(24.8)/79(75.2) < 0.001
Marital status (Unmarried/Married) 60(28.7)/149(71.3) 30(28.8)/74(71.2) 30(28.6)/75(71.4) 0.965
Smoking status (Never/Ex-, current) 133(63.6)/76(36.4) 57(54.8)/47(45.2) 76(72.4)/29(27.6) 0.008
Alcohol intake (Non-risky/Risky) 122(58.4)/87(41.6) 51(49.0)/53(51.0) 71(67.6)/34(32.4) 0.006
  1. SD Standard deviation, N number
  2. * P value was calculated by Student’s t-test or Pearson’s chi-square test between Non-office worker and office-worker group
  3. a CES-D The center for epidemiologic studies depression scale
  4. b KOSS-SF: Korean Occupational Stress Scale-Short Form (KOSS-SF)