TABLE 1—
Prevalence of Respiratory Symptoms and Asthma by Home Renovation: 7 Northeastern Cities Study, 25 Districts in Northeast China, 2008–2009
| Home Renovation | No. | Cough, No. (%) | Phlegm, No. (%) | Doctor-Diagnosed Asthma, No. (%) | Current Asthma, No. (%) | Current Wheeze, No. (%) |
| Home renovation in recent 2 y | ||||||
| No | 20 484 | 1784 (8.7) | 800 (3.9) | 1207 (5.9) | 404 (2.0) | 1180 (5.8) |
| Yes | 10 565 | 1193b (11.3) | 621b (5.9) | 828b (7.8) | 294b (2.8) | 785b (7.4) |
| Type of renovationa | ||||||
| Oil-based paint | ||||||
| No | 29 051 | 2723 (9.4) | 1310 (4.5) | 1847 (6.4) | 629 (2.2) | 1811 (6.2) |
| Yes | 1998 | 254b (12.7) | 111b (5.6) | 188b (9.4) | 69b (3.5) | 154b (7.7) |
| New PVC flooring | ||||||
| No | 30 643 | 2930 (9.6) | 1390 (4.5) | 1990 (6.5) | 686 (2.2) | 1933 (6.3) |
| Yes | 406 | 47 (11.6) | 31b (7.6) | 45b (11.1) | 12 (3.0) | 32 (7.9) |
| New particleboard | ||||||
| No | 26 450 | 2417 (9.1) | 1127 (4.3) | 1681 (6.4) | 566 (2.1) | 1659 (6.3) |
| Yes | 4599 | 560b (12.2) | 294b (6.4) | 354b (7.7) | 132b (2.9) | 306 (6.7) |
| New synthetic carpet | ||||||
| No | 30 588 | 2914 (9.5) | 1393 (4.6) | 1987 (6.5) | 674 (2.2) | 1924 (6.3) |
| Yes | 461 | 63b (13.7) | 28b (6.1) | 48b (10.4) | 24b (5.2) | 41b (8.9) |
| New wall covering | ||||||
| No | 27 890 | 2610 (9.4) | 1250 (4.5) | 1778 (6.4) | 606 (2.2) | 1734 (6.2) |
| Yes | 3159 | 367b (11.6) | 171b (5.4) | 257b (8.1) | 92b (2.9) | 231b (7.3) |
| New wooden furniture | ||||||
| No | 28 500 | 2665 (9.4) | 1273 (4.5) | 1821 (6.4) | 617 (2.2) | 1784 (6.3) |
| Yes | 2549 | 312b (12.2) | 148b (5.8) | 214b (8.4) | 81b (3.2) | 181 (7.1) |
| Other renovation | ||||||
| No | 30 761 | 2929 (9.5) | 1389 (4.5) | 2001 (6.5) | 690 (2.2) | 1941 (6.3) |
| Yes | 288 | 48b (16.7) | 32b (11.1) | 34b (11.8) | 8 (2.8) | 24 (8.3) |
a
Compared with the group that had no home renovation activities in recent 2 y.
b
We tested the association between categorical variables with the χ2 test (yes vs no; P < .05).