Table 4 Distribution of the 539 ex-smokers and the 416^a current smokers before lockdown (multiple unconditional logistic regression analysis)

Total

539

13.2

416^a

32.7

1.00^d

 Improved

207

14.0

1.00^d

174

37.9

1.00^d

 Not Modified

220

11.8

0.85 (0.48–1.51)

171

26.3

0.57 (0.36–0.92)

 Worsened

103

13.6

0.97 (0.48–1.93)

69

33.3

0.85 (0.47–1.55)

 0–10 (high quality of life)

122

5.7

1.00^d

93

10.8

1.00^d

 11–15

163

10.4

1.94 (0.77–4.87)

129

31.0

3.59(1.68–7.66)

 16–20

109

15.6

3.27 (1.29–8.33)

90

45.6

6.88 (3.13–15.1)

 > 20 (low quality of life)

92

26.1

6.17 (2.49–15.3)

54

50.0

8.61 (3.62–20.5)

 p for trend

< 0.001

< 0.001

 I tertile (good)

61

8.2

1.00^d

50

16.0

1.00^d

 II tertile (average)

287

11.5

1.42 (0.53–3.82)

218

26.6

1.81 (0.80–4.12)

 III tertile (poor)

188

17.0

2.33 (0.86–6.32)

145

48.3

4.73 (2.06–10.9)

 p for trend

0.033

< 0.001

 I tertile – low (< 43)

180

6.7

1.00^d

131

20.6

1.00^d

 II tertile

145

10.3

1.60 (0.72–3.56)

123

30.1

1.64 (0.92–2.92)

 III tertile – high (≥52)

188

20.7

3.59 (1.80–7.16)

149

46.3

3.26 (1.89–5.61)

 p for trend

< 0.001

< 0.001