Table 2 Binary logistic regression models for factors associated with SHS exposure at home, USA 2014a
Never tried any kind of tobacco product | Tried any kind of tobacco product | |||||
|---|---|---|---|---|---|---|
SHS exposure overall OR (95% CI) n=14,932 | SHS exposure due to cigarettes OR (95% CI) N=14,056 | SHS exposure due to electronic cigarettes OR (95% CI) N=11,357 | SHS exposure overall OR (95% CI) N=6,591 | SHS exposure due to cigarettes OR (95% CI) N=5,447 | SHS exposure due to electronic cigarettes OR (95% CI) N=3,865 | |
Age (ref.: 18+ years) | ||||||
9–12 years | 1.26 (1.06–1.48) | 1.15 (0.94–1.40) | 1.69 (0.84–3.42) | 2.08 (1.62–2.68) | 1.49 (1.14–1.96) | 4.37 (2.48–7.69) |
13–15 years | 1.15 (0.98–1.35) | 1.02 (0.85–1.23) | 1.68 (0.85–3.32) | 1.60 (1.36–1.88) | 1.17 (0.97–1.40) | 2.07 (1.29–3.32) |
16–17 years | 1.05 (0.89–1.25) | 0.91 (0.74–1.11) | 1.12 (0.54–2.33) | 1.08 (0.92–1.26) | 0.91 (0.76–1.08) | 1.36 (0.84–2.20) |
Sex (ref.: female) | ||||||
Male | 0.91 (0.84–0.97) | 0.96 (0.88–1.05) | 1.22 (0.94–1.58) | 0.87 (0.78–0.97) | 0.82 (0.73–0.92) | 0.86 (0.66–1.12) |
Reaction to best friend offering a cigarette (ref.: not starting to smoke) | ||||||
Starting to smoke | 1.40 (1.11–1.77) | 1.10 (0.83–1.46) | 1.13 (0.49–2.58) | 1.46 (1.30–1.65) | 1.31 (1.15–1.50) | 1.03 (0.76–1.39) |
Judgement of harm caused by smoking (ref.: a lot of harm) | ||||||
No or little harm | 1.30 (1.21–1.40) | 1.28 (1.17–1.39) | 1.47 (1.13–1.91) | 1.24 (1.11–1.38) | 1.15 (1.02–1.31) | 1.15 (0.87–1.52) |
Thought about harmful chemicals in tobacco products (ref.: often or very often) | ||||||
Rarely or never | 0.63 (0.57–0.70) | 0.62 (0.55–0.70) | 0.66 (0.45–0.95) | 0.64 (0.55–0.74) | 0.68 (0.58–0.80) | 0.76 (0.53–1.10) |
Sometimes | 0.75 (0.66–0.85) | 0.77 (0.67–0.89) | 0.71 (0.45–1.11) | 0.76 (0.64–0.91) | 0.80 (0.66–0.97) | 1.02 (0.68–1.55) |
Receiving advertisements for tobacco products on the internet (ref.: most of the time) | ||||||
Rarely or never | 0.61 (0.55–0.68) | 0.67 (0.59–0.76) | 0.59 (0.41–0.85) | 0.73 (0.62–0.84) | 0.79 (0.67–0.93) | 0.78 (0.54–1.11) |
Sometimes | 0.69 (0.62–0.78) | 0.74 (0.65–0.84) | 0.63 (0.43–0.93) | 0.77 (0.66–0.90) | 0.88 (0.74–1.05) | 0.83 (0.57–1.21) |
R2 | 2.5% | 1.8% | 1.5% | 4.7% | 2.6% | 3.2% |