|
Characteristics
|
Winter
|
Summer
|
|---|
|
Crude OR (95% CI)
|
aORb (95% CI)
|
Crude OR (95% CI)
|
aORb (95% CI)
|
|---|
|
Socioeconomic variables
|
|
Unemployed (vs workers)
|
5.72* (3.29–9.95)
|
2.03 (0.45–9.08)
|
4.50* (2.95–6.85)
|
3.14* (1.11–8.87)
|
|
Lower educational level (vs higher)
|
1.10 (0.68–1.77)
|
0.58 (0.19–1.74)
|
1.15 (0.78–1.69)
|
0.90 (0.41–2.01)
|
|
Income ≤1000 (vs > 1000)
|
2.10* (1.11–3.97)
|
2.76 (0.27–27.89)
|
2.34* (1.34–4.07)
|
1.28 (0.38–4.39)
|
|
Car disposal (vs no car disposal)
|
0.11* (0.06–0.21)
|
0.07* (0.01–0.64)
|
0.19* (0.12–0.30)
|
0.21* (0.08–0.60)
|
|
Health-related variables
|
|
BMIa
|
0.96 (0.87–1.06)
|
0.85* (0.74–0.98)
|
0.92* (0,86–0.99)
|
0.86* (0.78–0.95)
|
|
Chronic disease (vs no chronic disease)
|
1.67* (1.05–2.67)
|
0.85 (0.21–3.40)
|
1.29 (0.88–1.90)
|
0.47 (0.18–1.26)
|
|
Smokers (vs non-smokers)
|
0.55* (0.31–0.99)
|
1.54 (0.35–6.79)
|
0.56* (0.35–0.89)
|
0.63 (0.21–1.96)
|
|
Alcohol consumption (vs no)
|
0.60* (0.37–0.96)
|
0.71 (0.19–2.71)
|
0.61* (0.41–0.89)
|
0.59 (0.23–1.49)
|
|
Demographic variables
|
|
Age group
|
|
46–64 (vs ≤45)
|
1.23 (0.64–2.36)
|
2.81 (0.50–16.22)
|
1.15 (0.71–1.87)
|
1.76 (0.55–5.63)
|
|
≥ 65 (vs ≤45)
|
4.75* (2.72–8.31)
|
3.02 (0.39–23.22)
|
3.03* (1.93–4.77)
|
1.66 (0.44–6.28)
|
|
Women (vs men)
|
1.54 (0.94–2.52)
|
0.85 (0.22–3.31)
|
0.98 (0.66–1.43)
|
0.45 (0.19–1.08)
|
|
Single (vs married)
|
1.38 (0.87–2.21)
|
1.26 (0.39–4.06)
|
1.16 (0.79–1.71)
|
0.53 (0.23–1.21)
|
|
Children (< 18 y)a
|
0.61* (0.41–0.90)
|
2.12 (0.74–6.08)
|
0.57* (0.41–0.79)
|
0.96 (0.43–2.14)
|
- a continuous variable
- b each independent variable is adjusted for all the other independent variables
- *p < 0.05
