Table 3. Characteristics of Participants in Chronic Cough Household Survey.

	Intervention Group 2003	Intervention Group 2006	Comparison Group 2003	Comparison Group 2006
Sample size	356	347	184	108
Mean age	29.9	28.3	31.0	33.2
Male	69 (19.4% CI 14–26.1%)	66 (19.0% CI 13.6–25.8%)	45 (24.4% CI 16.4–34.7%)	19 (17.6% CI 9.0–30.8%)
Female	287 (80.6% CI 73.9–86.0%)	291 (83.9% CI 77.3–88.8%)	139 (75.5% CI 65.3–83.6%)	89 (82.4% CI 69.2–91%)
Poverty rate	320 (89.9% CI 84.2–93.7%)	310 (89.35% CI 83.5–93.3%)	180 (97.8% CI 91.6–99.6%)	98 (90.7% CI 78.9–96.5%)