Table 2

Prevalence of regular exposure to some ETS and mean ETS exposure in each age, sex, and ethnic subgroup

	Prevalence of regular exposure to ETS (%)^2-150	95% CI	Minutes per week of ETS exposure^2-150	95% CI
Age (years)^2-151
<35	57	54–60	57	53–62
35–50	47	44–50	37	35–40
>50	31	28–34	20	18–22
Sex^2-151
Men	49	47–51	41	38–43
Women	33	30–36	23	21–25
Ethnicity^2-151
European	43	41–45	31	30–33
Maori	60	55–65	79	67–94
Pacific Islands	56	48–64	53	41–67

↵2-150 Adjusted for age and sex (or when stratified by one of these, adjusted for the other).
↵2-151 F-tests for heterogeneity across age, sex or ethnic groups: each p < 0.0001.
CI = confidence intervals.