Table 2. Associations of smoking and vaping category with subjective cognitive complaints.
| Smoking and vaping category | Adjusted OR (95% CI) | |||||
|---|---|---|---|---|---|---|
| All adults (n = 875,621) | Age: 18–24 (n = 49,792) | Age: 25–34 (n = 90,045) | Age: 35–49 (n = 160,201) | Age: 50–64 (n = 265,381) | Age: 65+ (n = 310,652) | |
| Never users | Reference | Reference | Reference | Reference | Reference | Reference |
| Dual users | 2.07 (1.66, 2.60) | 2.06 (1.08, 3.92) | 1.58 (0.98, 2.55) | 2.71 (1.78, 4.13) | 2.31 (1.48, 3.60) | 1.69 (0.95, 2.99) |
| Current exclusive smokers | 1.49 (1.32, 1.69) | 1.57 (0.98, 2.51) | 1.86 (1.39, 2.50) | 1.55 (1.18, 2.03) | 1.49 (1.21, 1.84) | 1.09 (0.84, 1.42) |
| Current vapers who were ex-smokers | 1.94 (1.40, 2.71) | 1.52 (0.63, 3.68) | 2.55 (1.12, 5.82) | 1.44 (0.80, 2.62) | 2.61 (1.51, 4.49) | 1.63 (0.56, 4.73) |
| Current vapers who never smoked | 1.96 (1.16, 3.30) | 1.61 (0.90, 2.90) | 1.55 (0.44, 5.47) | 4.39 (0.70, 27.63) | 1.84 (0.41, 8.15) | 0.04 (0.01, 0.27) |
| Ex-smokers | 1.25 (1.11, 1.41) | 1.08 (0.59, 1.96) | 1.61 (1.12, 2.31) | 1.18 (0.89, 1.56) | 1.35 (1.11, 1.65) | 1.10 (0.89, 1.37) |
| Current smokers | Reference | Reference | Reference | Reference | Reference | Reference |
| Ex-smokers | 0.84 (0.73, 0.96) | 0.65 (0.35, 1.24) | 0.88 (0.60, 1.28) | 0.76 (0.57, 1.02) | 0.92 (0.73, 1.14) | 1.03 (0.79, 1.35) |
| Dual users | 1.39 (1.11, 1.75) | 1.32 (0.69, 2.54) | 0.85 (0.53, 1.36) | 1.72 (1.13, 2.63) | 1.55 (0.99, 2.44) | 1.56 (0.86, 2.81) |
| Current vapers who were ex-smokers | 1.30 (0.93, 1.82) | 1.01 (0.42, 2.42) | 1.35 (0.59, 3.10) | 0.93 (0.51, 1.70) | 1.72 (0.99, 2.98) | 1.50 (0.51, 4.43) |
| Current vapers who never smoked | 1.31 (0.78, 2.21) | 1.08 (0.56, 2.06) | 0.82 (0.24, 2.82) | 2.82 (0.44, 17.98) | 1.24 (0.28, 5.47) | 0.03 (0.01, 0.25) |