Table 2 Factors associated with depression (PHQ − 9 ≥ 10).

Covid-19 quarantine rules performance score

Bad (0–1 point)

2.24

(1.29–3.87)

0.004

2.42

(1.42–4.13)

0.001

Moderate (2 points)

1.31

(1.02–1.68)

0.034

1.28

(1.07–1.53)

0.008

Good (3 points)

1.00

1.00

Age (years)

19–29

4.48

(3.42–5.85)

 < 0.001

3.51

(2.84–4.34)

 < 0.001

30–39

4.72

(3.61–6.15)

 < 0.001

2.82

(2.27–3.49)

 < 0.001

40–49

2.33

(1.79–3.02)

 < 0.001

1.87

(1.51–2.31)

 < 0.001

50–59

1.82

(1.42–2.33)

 < 0.001

1.56

(1.31–1.87)

 < 0.001

60–69

1.17

(0.94–1.46)

0.162

1.00

(0.86–1.17)

0.961

70–

1.00

1.00

Educational level

Under high school

1.49

(1.23–1.80)

 < 0.001

1.14

(0.98–1.32)

0.093

Graduated high school

1.00

1.00

Employment status

White collar

0.82

(0.67–1.01)

0.057

0.84

(0.74–0.97)

0.014

Pink collar

0.89

(0.71–1.11)

0.294

1.05

(0.91–1.20)

0.517

Blue collar

0.59

(0.50–0.71)

 < 0.001

0.67

(0.58–0.78)

 < 0.001

None or else

1.00

1.00

Household income

Low

3.06

(2.43–3.84)

 < 0.001

2.31

(1.98–2.71)

 < 0.001

Middle low

1.78

(1.48–2.14)

 < 0.001

1.66

(1.46–1.89)

 < 0.001

Middle high

1.41

(1.17–1.69)

0.001

1.33

(1.16–1.52)

 < 0.001

High

1.00

1.00

Smoking status

No

0.63

(0.55–0.73)

 < 0.001

0.36

(0.31–0.42)

 < 0.001

Yes

1.00

1.00

Alcohol consumption

 < 1time / month

1.08

(0.94–1.24)

0.276

0.77

(0.70–0.85)

 < 0.001

 ≥ 1 times / month

1.00

1.00

Physical activity

Low

1.15

(1.01–1.31)

0.031

1.34

(1.22–1.48)

 < 0.001

High

1.00

1.00

Chronic disease^a

None

0.97

(0.83–1.13)

0.696

1.03

(0.92–1.15)

0.653

Has disease

1.00

1.00

Subjective health status

Good

0.06

(0.05–0.08)

 < 0.001

0.08

(0.07–0.09)

 < 0.001

Normal

0.20

(0.17–0.23)

 < 0.001

0.21

(0.19–0.24)

 < 0.001

Bad

1.00

1.00