Table 3 Sample characteristics in Henan Province from January 2010 to June 2010
From: Epidemiology of bronchial asthma and asthma control assessment in Henan Province, China
Urban | Rural | P-value | ||||
|---|---|---|---|---|---|---|
Zhongyuan district in Zhengzhou (economic level – H) | Longting District in Kaifeng (economic level – L) | Zhongmu county (economic level – H) | High-tech zone in Puyang City (economic level – L) | Mengjin County (economic level – M) | ||
Subjects (n) | 4,017 | 3,907 | 4,180 | 3,894 | 3,718 | |
Females | 48.8% | 49.5% | 48.1% | 48.0% | 48.8% | 0.686 |
College degree | 4.3% | 8.8% | 0.9% | 1.2% | 1.2% | 〈0.01 |
Without medical insurance | 0.4% | 4.5% | 1.1% | 0.3% | 0.5% | 〈0.01 |
Smoke or smoked in the past | 16.2% | 21.1% | 23.1% | 22.5% | 21.1% | 〈0.01 |