Table 3

Logistic regression analysis of regarding factors in the previous one month on depressive symptoms

Men

Women



Variables

Crude

Adjusted

Crude

Adjusted

OR

(95% CI)

ORa

(95% CI)

OR

(95% CI)

ORa

(95% CI)


The number of days of off-duty per month

None

2.13

(1.42 to 3.19)

1.62

(1.05 to 2.52)

3.30

(1.64 to 6.64)

2.39

(1.10 to 5.19)

1-4 days

1.30

(0.96 to 1.75)

1.10

(0.80 to 1.51)

1.02

(0.57 to 1.83)

0.75

(0.40 to 1.42)

5-7 days

1.00

1.00

1.00

1.00

8 days or more

0.52

(0.32 to 0.86)

0.53

(0.31 to 0.90)

0.81

(0.44 to 1.51)

1.08

(0.55 to 2.12)

The number of days of on-call per month

None

1.00

1.00

1.00

1.00

1-4 days

1.36

(0.95 to 1.95)

1.27

(0.88 to 1.84)

1.53

(0.84 to 2.79)

1.55

(0.80 to 3.00)

5-7 days

1.91

(1.28 to 2.84)

1.75

(1.15 to 2.64)

1.41

(0.57 to 3.49)

1.14

(0.43 to 3.06)

8 days or more

2.19

(1.58 to 3.04)

1.77

(1.24 to 2.52)

2.41

(1.41 to 4.1)

1.80

(0.98 to 3.28)

Average sleeping hours for days not working overnight

Less than 5 hours

2.79

(1.96 to 3.95)

2.70

(1.82 to 4.03)

2.65

(1.47 to 4.78)

2.38

(1.11 to 5.10)

5 to less than 6 hours

1.33

(0.98 to 1.81)

1.20

(0.88 to 1.65)

1.62

(0.96 to 2.74)

1.54

(0.89 to 2.67)

6 to less than 7 hours

1.00

1.00

1.00

1.00

7 hours or more

1.10

(0.71 to 1.70)

1.32

(0.84 to 2.08)

1.12

(0.49 to 2.54)

1.08

(0.46 to 2.49)

The number of days of overnight work per month

None

1.00

1.00

1.00

1.00

Once

1.21

(0.75 to 1.95)

1.00

(0.60 to 1.65)

1.06

(0.40 to 2.79)

0.84

(0.29 to 2.40)

2 to 3 times

1.47

(1.04 to 2.08)

1.14

(0.74 to 1.67)

2.06

(1.17 to 3.62)

1.65

(0.86 to 3.17)

4 to 5 times

1.33

(0.92 to 1.94)

1.11

(0.74 to 1.68)

1.31

(0.63 to 2.71)

1.21

(0.53 to 2.77)

6 times or more

1.77

(1.19 to 2.64)

1.33

(0.86 to 2.07)

2.37

(1.15 to 4.89)

1.90

(0.82 to 4.42)


OR, odds ratio; CI, confidence interval

aORs are adjusted for age and all other variables in the table

Wada et al. BMC Public Health 2010 10:127   doi:10.1186/1471-2458-10-127

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