Variables Yes (N=140) No (N=248) OR 95% CI P-value*
n % n % Lower Upper
Sleeping area characteristics:
Bedroom 16 24.6% 49 75.4% 1.00
Living room 53 35.8% 95 64.2% 1.71 0.89 3.30 0.110
Single room 71 41.0% 102 59.0% 2.13 1.12 4.05 0.021
Smoker:
Yes 23 43.4% 30 56.6% 1.43 0.79 2.57 0.233
No 117 34.9% 218 65.1% 1.00