Table 4 Change in odds ratios (OR) for exposures and outcomes in children related to SHS* exposure across surveys
Survey (year of survey) | S1 (2004) | S2 (2005) | S4 (2008) | S6 (2012) | S7 (2014) | S8 (2016) |
|---|---|---|---|---|---|---|
– | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | OR (95% CI) | |
Child exposure to SHS and parental active smoking | ||||||
No exposure to SHS at home from parents (a) | Ref | 1.17 (1.01–1.35) | 1.65 (1.39–1.95) | 2.85 (2.32–3.51) | 2.24 (1.84–2.72) | 3.66 (2.89–4.63) |
No maternal smoking during pregnancy (a) | Ref | 1.22 (1.06–1.40) | – | – | 1.12 (0.97–1.31) | 1.57 (1.33–1.86) |
None of parents is actively smoking (a) | – | – | Ref | 1.03 (0.94–1.12) | 1.13 (1.03–1.24) | 1.24 (1.13–1.36) |
Adverse health effects in children related to exposure to SHS | ||||||
Asthma never diagnosed by a doctor (b) | Ref | – | – | 0.76 (0.58–1.00) | 0.74 (0.56–0.97) | 1.64 (1.17–2.30) |
Neurodermatitis never diagnosed by a doctor (c) | Ref | – | – | 1.19 (1.05–1.35) | 1.13 (0.99–1.28) | 1.45 (1.26–1.66) |
Bronchitis never diagnosed by a doctor (c) | Ref | – | – | 1.01 (0.92–1.11) | 1.23 (1.12–1.35) | 1.36 (1.23–1.50) |
< 4 wheezing episodes in last 12 months (d) | Ref | – | – | 1.08 (0.79–1.47) | 1.17 (0.85–1.61) | 2.06 (1.40–3.04) |