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Table 4 Factors associated with aspirin consumption: odds ratios and 95% confidence intervals adjusted for the remaining factors in the table and province of recruitment

From: Epidemiology of non-steroidal anti-inflammatory drugs consumption in Spain. The MCC-Spain study

Variable Category Ever consumption Current consumption
Women Men Women Men
Age < 45 0.62 (0.20–1.96) 0.25 (0.03–2.06) 0.76 (0.06–9.39)
45–54 1 (ref) 1 (ref) 1 (ref) 1 (ref)
55–64 2.03 (0.81–5.13) 1.54 (0.70–3.40) 2.99 (0.57–15.7) 2.35 (0.81–6.84)
65–74 2.26 (0.85–6.01) 2.41 (1.12–5.19) 4.90 (0.91–26.3) 3.99 (1.41–11.3)
≥75 3.59 (1.26–10.2) 3.09 (1.39–6.87) 6.83 (1.21–38.7) 4.74 (1.62–13.9)
BMI < 18.5 1.77 (0.37–8.38) 2.01 (0.24–17.1)
18.5–24.9 1 (ref) 1 (ref) 1 (ref) 1 (ref)
25–29.9 0.75 (0.41–1.36) 1.02 (0.70–1.47) 0.68 (0.31–1.53) 2.35 (0.81–6.84)
≥30 1.73 (0.98–3.07) 1.32 (0.85–2.04) 1.42 (0.66–3.05) 1.45 (0.89–2.38)
Education Less than primary 1 (ref) 1 (ref) 1 (ref) 1 (ref)
Primary education 0.77 (0.41–1.45) 1.43 (0.90–2.27) 0.62 (0.29–1.30) 1.23 (0.75–2.02)
Secondary education 0.84 (0.42–1.71) 1.60 (0.98–2.61) 0.34 (0.12–0.94) 1.35 (0.79–2.29)
University 0.87 (0.38–2.05) 1.56 (0.92–2.65) 0.16 (0.03–0.80) 1.22 (0.68–2.19)
No. of births (by each birth) 1.25 (1.09–1.42)   1.15 (0.97–1.36)
Premenopause (ref.: postmenopause) 1.21 (0.50–2.93)   0.72 (0.19–2.75)
Smoking No smoker 1 (ref) 1 (ref) 1 (ref) 1 (ref)
Former smoker 1.33 (0.69–2.58) 1.67 (1.14–2.44) 1.00 (0.36–2.80) 1.80 (1.16–2.79)
Current smoker 1.89 (0.96–3.71) 1.64 (1.01–2.64) 1.71 (0.63–4.65) 1.85 (1.07–3.19)
Alcohol consumption at recruitment (g/day)
 Abstainers 1 (ref) 1 (ref) 1 (ref) 1 (ref)
 0–39.9 (men), 0–19.9 (women) 1.14 (0.62–2.08) 0.81 (0.52–1.27) 1.19 (0.54–2.65) 0.96 (0.58–1.60)
 40–59.9 (men), 20–39.9 (women) 0.64 (0.15–2.69) 0.49 (0.22–1.09) 1.05 (0.16–6.98) 0.52 (0.21–1.33)
  ≥ 60 g/day (men), ≥40 g/day (women) NA 1.01 (0.41–2.46) 1.38 (0.52–3.65)
Alcohol when 30–40 years old
 Abstainers 1 (ref) 1 (ref) 1 (ref) 1 (ref)
 0–39.9 (men), 0–19.9 (women) 1.00 (0.55–1.83) 1.73 (1.00–3.00) 1.08 (0.49–2.40) 1.40 (0.77–2.53)
 40–59.9 (men), 20–39.9 (women) 2.16 (0.75–6.26) 1.44 (0.72–2.89) 2.61 (0.62–10.9) 1.13 (0.52–2.45)
  ≥ 60 g/day (men), ≥40 g/day (women) NA 1.44 (0.74–2.78) 1.23 (0.60–2.53)
Chronic disease involving pain
 Yes (ref: No) 1.27 (0.78–2.08) 1.23 (0.89–1.70) 0.71 (0.36–1.36) 1.10 (0.76–1.59)