Table 3. Comparison, by type of school, of temporal changes in the prevalence of asthma and rhinitis symptoms in 13- and 14-year-olds between two surveys conducted in the city of Fortaleza, Brazil. 2006- 2007 and 2010.
Symptom | Public | p | Private | p | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
2006-2007 | 2010 | 2006-2007 | 2010 | ||||||||||
n° | % | n° | % | n° | % | n° | % | ||||||
Cumulative wheezing | 907 | 41.9 | 1,071 | 42.4 | 0.73 | 422 | 49.6 | 255 | 56.3 | 0.02 | |||
Active asthma | 442 | 20.4 | 548 | 21.4 | 0.40 | 240 | 28.2 | 160 | 34.7 | 0.01 | |||
Number of attacks within the last 12 months | |||||||||||||
1-3 | 334 | 15.4 | 424 | 16.6 | 0.28 | 194 | 22.8 | 123 | 26.7 | 0.11 | |||
≥ 4 | 34 | 1.6 | 60 | 2.3 | 0.05 | 34 | 4.0 | 23 | 5.0 | 0.40 | |||
Sleep disturbed by wheezing | |||||||||||||
< 1 night/week | 140 | 6.5 | 162 | 6.3 | 0.84 | 64 | 7.5 | 36 | 7.8 | 0.85 | |||
≥ 1 night/week | 82 | 3.8 | 80 | 3.1 | 0.21 | 23 | 2.7 | 26 | 5.6 | < 0.01 | |||
Speech-limiting wheezing | 70 | 3.2 | 87 | 3.4 | 0.75 | 35 | 4.1 | 22 | 4.8 | 0.57 | |||
Exercise-induced wheezing | 522 | 24.1 | 707 | 28.1 | < 0.01 | 237 | 27.9 | 148 | 32.4 | 0.08 | |||
Dry cough at night | 721 | 33.3 | 941 | 37.0 | < 0.01 | 315 | 37.1 | 195 | 42.6 | 0.05 | |||
Physician diagnosed asthma | 220 | 10.2 | 353 | 13.9 | < 0.01 | 130 | 15.3 | 80 | 17.5 | 0.29 | |||
Cumulative rhinitis | 1,132 | 52.3 | 1,378 | 55.1 | 0.05 | 578 | 68.0 | 310 | 67.8 | 0.95 | |||
Current or active rhinitis | 822 | 38.0 | 1,021 | 39.9 | 0.17 | 481 | 56.6 | 258 | 56.0 | 0.82 | |||
Rhinoconjunctivitis | 336 | 15.5 | 417 | 16.3 | 0.46 | 229 | 26.9 | 118 | 25.6 | 0.59 | |||
Rhinitis-related impairment of daily activities | |||||||||||||
None | 314 | 14.5 | 454 | 17.7 | < 0.01 | 253 | 29.8 | 136 | 29.5 | 0.92 | |||
Mild | 404 | 18.7 | 480 | 18.8 | 0.93 | 177 | 20.8 | 102 | 22.1 | 0.58 | |||
Moderate | 52 | 2.4 | 65 | 2.5 | 0.76 | 29 | 3.4 | 16 | 3.5 | 0.95 | |||
Severe | 41 | 1.9 | 29 | 1.1 | 0.03 | 19 | 2.2 | 8 | 1.7 | 0.54 | |||
Physician-diagnosed rhinitis | 326 | 15.1 | 365 | 14.6 | 0.66 | 283 | 33.3 | 155 | 33.9 | 0.82 |