Second-hand smoking

0.498

Yes

797 (82.7%)

539 (83.4%)

258 (80.6%)

No

170 (17.3%)

108 (16.6%)

62 (19.4%)

Family members

<0.001

1 - 3

292 (32.5%)

254 (39.3%)

38 (11.8%)

3 - 6

610 (61.8%)

374 (57.8%)

236 (73.9%)

≥6

65 (5.6%)

19 (2.8%)

46 (14.3%)

Toilet

0.772

Outside

576 (59.4%)

382 (59%)

194 (60.5%)

Inside

391 (40.6%)

265 (41%)

126 (39.5%)

Water supply

Yes

391 (40.6%)

265 (41%)

126 (39.5%)

0.772

No

576 (59.4%)

382 (59%)

194 (60.5%)

Family monthly budget 1USD = 2850

<0.001

<500,000

233 (23.3%)

136 (21%)

97 (30.3%)

500,000 - 800,000

302 (30.2%)

176 (27.2%)

126 (39.4%)

>800,000

432 (46.5)

335 (51.8%)

97 (30.3%)