Relationship between SHS exposure and dose measurements among adults with asthma
| Nicotine badge(past week) | Hair nicotine(past month) | Hair nicotine(past 2–3 months) | Hair cotinine(past month) | Hair cotinine(past 2–3 months) | Self-reported hours of SHS exposure(past week) | |
|---|---|---|---|---|---|---|
| Values shown are Spearman correlations and p values. | ||||||
| Nicotine badge (past week) | 1.0 | 0.20 | 0.17 | 0.16 | 0.14 | 0.27 |
| p = 0.019 | p = 0.059 | p = 0.065 | p = 0.13 | 0.0009 | ||
| Hair nicotine (past month) | – | 1.0 | 0.80 | 0.63 | 0.65 | 0.24 |
| p<0.0001 | p<0.0001 | p<0.0001 | 0.0043 | |||
| Hair nicotine (past 3 months) | – | – | 1.0 | 0.46 | 0.67 | 0.25 |
| p<0.0001 | p<0.0001 | 0.0053 | ||||
| Hair cotinine (past month) | – | – | – | 1.0 | 0.84 | 0.26 |
| p<0.0001 | 0.0017 | |||||
| Hair cotinine (past 3 months) | – | – | – | – | 1.0 | 0.25 |
| 0.0041 | ||||||
| Self-reported hours of SHS exposure (past week) | – | – | – | – | – | 1.0 |