Passive smoking exposure according to sex
| Domestic exposure | Workplace | Overall | ||||||||||
| Men | Women | p-value | All | Men | Women | p-value | All | Men | Women | p-value | All | |
| Missing n | 7 | 43 | 50 | 7 | 43 | 50 | 7 | 43 | 50 | |||
| Never exposed | 36/58 (62) | 100/276 (36) | <10−4 | 136/334 (41) | 47/58 (81) | 227/276 (82) | 0.827 | 274/334 (82) | 30/58 (52) | 85/276 (31) | 0.002 | 115/334 (34) |
| Ever exposed | 22/58 (38) | 176/276 (64) | 198/334 (59) | 11/58 (19) | 49/276 (18) | 60/334 (18) | 28/58 (48) | 191/276 (69) | 219/334 (66) | |||
| Missing data | 4 | 4 | 1 | 1 | 3 | 3 | ||||||
| Length of exposure | ||||||||||||
| <20 years | 14/22 (64) | 59/172 (34) | 0.008 | 73/194 (38) | 8/11 (73) | 23/48 (48) | NC | 31/59 (53) | 15/28 (54) | 49/188 (26) | 0.002 | 64/216 (30) |
| 20–30 years | 7/22 (32) | 57/172 (33) | 64/194 (33) | 2/11 (18) | 15/48 (31) | 17/59 (29) | 11/28 (39) | 70/188 (37) | 81/216 (38) | |||
| >30 years | 1/22 (5) | 56/172 (33) | 57/194 (29) | 1/11 (9) | 10/48 (21) | 11/59 (19) | 2/28 (7) | 69/188 (37) | 71/216 (33) | |||
| Exposed in childhood | 18/22 (82) | 104/172 (59) | 0.039 | 122/194 (62) | ||||||||
| Exposed in adulthood only | 4/22 (8) | 72/172 (41) | 76/194 (38) | |||||||||
Data are presented as n/N available (%), unless otherwise stated. NC: not computable; all p-values are computed with chi-squared tests.